IR Lens Manufacturing Equipment: Spherical, Aspheric, Athermal Optics<\/title>\n<meta name=\"description\" content=\"IR lens manufacturing equipment from Vimfun \u2014 for spherical, aspheric, meniscus, and athermal multi-element lens production across germanium, ZnSe, silicon, and sapphire.\">\n<link rel=\"canonical\" href=\"https:\/\/www.opticalcutting.com\/ir-lens-manufacturing-equipment\/\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Sora:wght@500;600;700;800&family=Mulish:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap\" rel=\"stylesheet\">\n<style>\n :root{\n --white:#ffffff; --bg:#F2F8FD; --bg-2:#D5E8F6;\n --ink:#14202C; --ink-soft:#4E5C72;\n --blue:#0274BE; --blue-dark:#015A93; --blue-deep:#013D66; --blue-tint:#E1F0FB;\n --line:#DCE7EF; --line-2:#B8DBEF;\n --sans:'Mulish',sans-serif; 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@media(prefers-reduced-motion:reduce){.rise{animation:none;opacity:1;transform:none}}\n .geo *{vector-effect:non-scaling-stroke}\n<\/style>\n<\/head>\n<body>\n\n\n<section class=\"hero\">\n <div class=\"wrap\">\n <div>\n <div class=\"model-line rise d1\">SOLUTION HUB \u00b7 SPHERICAL \u00b7 ASPHERIC \u00b7 MENISCUS \u00b7 ATHERMAL<\/div>\n <h1 class=\"rise d2\">IR Lens Manufacturing Equipment<\/h1>\n <p class=\"lede rise d2\">Vimfun <strong>IR lens manufacturing equipment<\/strong> covers what makes a lens harder than a window \u2014 spherical and aspheric generation, sub-arc-second decenter, athermal multi-element tolerance flow. Cross-material (Ge, ZnSe, Si, sapphire); lens-element specific, not material specific.<\/p>\n <div class=\"chips rise d3\">\n <div class=\"chip\"><div class=\"v\">\u00d8 \u2264 300<small> mm<\/small><\/div><div class=\"l\">Lens range<\/div><\/div>\n <div class=\"chip\"><div class=\"v\">\u2264 20<small> \u2033<\/small><\/div><div class=\"l\">Decenter<\/div><\/div>\n <div class=\"chip\"><div class=\"v\">< 1<small> \u03bb@633<\/small><\/div><div class=\"l\">Form irregularity<\/div><\/div>\n <div class=\"chip\"><div class=\"v\">Ra < 5<small> nm<\/small><\/div><div class=\"l\">Surface roughness<\/div><\/div>\n <\/div>\n <div class=\"hero-actions rise d4\">\n <a class=\"btn\" href=\"#quote\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\"><path d=\"M5 12h14M13 6l6 6-6 6\"\/><\/svg>Request a lens-line consultation<\/a>\n <a class=\"btn btn-ghost\" href=\"#matrix\">Browse the equipment<\/a>\n <\/div>\n <\/div>\n <div class=\"hero-visual rise d3\">\n <div class=\"vhead\"><span>FIG.01 \u2014 ATHERMAL 3-ELEMENT LENS GROUP<\/span><b>VIMFUN<\/b><\/div>\n <div class=\"vbody\">\n <svg class=\"geo\" viewBox=\"0 0 460 240\" width=\"100%\" role=\"img\" aria-label=\"IR lens manufacturing equipment example \u2014 athermal three-element germanium lens group cross-section showing front meniscus, middle biconvex, and rear meniscus elements with decenter and edge-thickness annotations\">\n \n <line x1=\"40\" y1=\"120\" x2=\"420\" y2=\"120\" stroke=\"#0274BE\" stroke-width=\"1\" stroke-dasharray=\"4 4\"\/>\n <text x=\"40\" y=\"135\" font-family=\"IBM Plex Mono\" font-size=\"9\" fill=\"#015A93\" font-weight=\"600\">optical axis<\/text>\n \n <path d=\"M85 60 Q95 120 85 180 L100 180 Q115 120 100 60 Z\" fill=\"#B8DBEF\" stroke=\"#015A93\" stroke-width=\"1.5\"\/>\n <text x=\"92\" y=\"200\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"10\" fill=\"#015A93\" font-weight=\"600\">L1<\/text>\n <text x=\"92\" y=\"213\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"8\" fill=\"#4E5C72\">meniscus<\/text>\n \n <path d=\"M205 50 Q175 120 205 190 L235 190 Q265 120 235 50 Z\" fill=\"#D5E8F6\" stroke=\"#015A93\" stroke-width=\"1.5\"\/>\n <text x=\"220\" y=\"207\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"10\" fill=\"#015A93\" font-weight=\"600\">L2<\/text>\n <text x=\"220\" y=\"220\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"8\" fill=\"#4E5C72\">biconvex<\/text>\n \n <path d=\"M335 70 Q325 120 335 170 L350 170 Q365 120 350 70 Z\" fill=\"#0274BE\" opacity=\".5\" stroke=\"#015A93\" stroke-width=\"1.5\"\/>\n <text x=\"342\" y=\"190\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"10\" fill=\"#015A93\" font-weight=\"600\">L3<\/text>\n <text x=\"342\" y=\"203\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"8\" fill=\"#4E5C72\">aspheric<\/text>\n \n <line x1=\"40\" y1=\"90\" x2=\"92\" y2=\"92\" stroke=\"#0274BE\" stroke-width=\"1\" opacity=\".7\"\/>\n <line x1=\"92\" y1=\"92\" x2=\"220\" y2=\"110\" stroke=\"#0274BE\" stroke-width=\"1\" opacity=\".7\"\/>\n <line x1=\"220\" y1=\"110\" x2=\"342\" y2=\"118\" stroke=\"#0274BE\" stroke-width=\"1\" opacity=\".7\"\/>\n <line x1=\"342\" y1=\"118\" x2=\"410\" y2=\"120\" stroke=\"#0274BE\" stroke-width=\"1.4\"\/>\n <line x1=\"40\" y1=\"150\" x2=\"92\" y2=\"148\" stroke=\"#0274BE\" stroke-width=\"1\" opacity=\".7\"\/>\n <line x1=\"92\" y1=\"148\" x2=\"220\" y2=\"130\" stroke=\"#0274BE\" stroke-width=\"1\" opacity=\".7\"\/>\n <line x1=\"220\" y1=\"130\" x2=\"342\" y2=\"122\" stroke=\"#0274BE\" stroke-width=\"1\" opacity=\".7\"\/>\n <line x1=\"342\" y1=\"122\" x2=\"410\" y2=\"120\" stroke=\"#0274BE\" stroke-width=\"1.4\"\/>\n \n <circle cx=\"410\" cy=\"120\" r=\"3\" fill=\"#015A93\"\/>\n <text x=\"410\" y=\"138\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"8\" fill=\"#4E5C72\">focal pt<\/text>\n \n <text x=\"230\" y=\"30\" text-anchor=\"middle\" font-family=\"Sora,sans-serif\" font-weight=\"700\" font-size=\"13\" fill=\"#015A93\">3-Element Athermal LWIR Lens<\/text>\n <\/svg>\n <\/div>\n <div class=\"vcap\">Three elements, one optical axis, \u226420\u2033 cumulative decenter \u2014 the tolerance is on each individual element AND on the group assembly.<\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">The Geometry Problem<\/div>\n <h2>What makes lens manufacturing different from window or prism manufacturing?<\/h2>\n <p>Windows and prisms are flat-face geometry problems. Lenses add curved surfaces, edge accuracy, and optical-axis alignment \u2014 three constraints that windows don't have to satisfy.<\/p>\n <\/div>\n <div>\n <p>The Vimfun IR lens manufacturing equipment platform is sized around three constraints that flat optics don't share. First, lens surfaces are curved \u2014 spherical, aspheric, or sometimes free-form \u2014 and the curvature must hold to sub-micron form tolerance over the full aperture. Generating a 100 mm spherical surface flat to better than 1 \u03bb at 633 nm reference is a different equipment problem from grinding a 100 mm window face flat to the same tolerance, because the curvature changes the kinematic relationship between wheel and workpiece every micron of the cycle.<\/p>\n <p>Second, lenses have an optical axis. The optical axis is a physical line through the center of curvature of both faces; decenter is the angular displacement of that line from the mechanical axis defined by the cylindrical edge. A 20-arc-second decenter on a thermal-imaging lens means the focal plane drifts ~1 pixel at the detector \u2014 small in absolute terms, large enough to fail an athermal-assembly qualification. Windows don't have this problem; prisms have angle accuracy instead, which is a different equipment problem.<\/p>\n <p>Third, IR lenses often ship in multi-element groups where each element's decenter and edge-thickness budget contributes to the cumulative group performance. The single-element tolerance is half the conversation; assembly-cumulative tolerance is the other half. The line's centering and grinding stations are sized to hold each element inside the group's per-element budget, not just the spec sheet number.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">Lens-relevant stations<\/div><h2>Which stations matter most for IR lens geometry?<\/h2><\/div>\n <div>\n <p>All five stations of a Vimfun IR lens manufacturing equipment line contribute, but two carry the lens-specific weight: centering (Station 2) sets the optical-axis reference; grinding (Station 3) generates the curve. Polishing (Station 4) refines the surface; cutting and coating bookend the line.<\/p>\n <ul class=\"clean\">\n <li><strong>Station 1 \u2014 Cut (blank prep)<\/strong> Closed-loop wire saw produces the lens blank. Edge-chipping spec sets the centering allowance downstream. Three blank-geometry options: <a href=\"https:\/\/www.opticalcutting.com\/sg-40-germanium-wafer-slicing-machine\/\">SG40 round<\/a>, <a href=\"https:\/\/www.opticalcutting.com\/germanium-lens-blank-cutting-machine\/\">SGR40 multi-shape<\/a>, <a href=\"https:\/\/www.opticalcutting.com\/germanium-ingot-cutting-wire-saw\/\">SGI 40 free-form<\/a>.<\/li>\n <li><strong>Station 2 \u2014 Center (the lens-critical station)<\/strong> Mechanical centering + centroscope optical-axis verification. Decenter \u2264 20 arc-seconds. C-120L for \u00d8 \u2264 120 mm, C-185L for \u00d8 \u2264 185 mm. This step exists in lens lines specifically; windows skip it.<\/li>\n <li><strong>Station 3 \u2014 Grind (form generation)<\/strong> Spherical or aspheric surface generation. <a href=\"https:\/\/www.opticalcutting.com\/g-100-infrared-optics-grinding-machine\/\">G-100 for \u00d8 10\u2013100 mm small thermal-imaging optics<\/a>; <a href=\"https:\/\/www.opticalcutting.com\/g-250-znse-zns-optics-grinding-machine\/\">G-250 for \u00d8 80\u2013250 mm large-aperture optics<\/a>. Form held to \u00b10.005 mm at this station; final form via polishing.<\/li>\n <li><strong>Station 4 \u2014 Polish (surface finish)<\/strong> Aspheric polisher up to \u00d8 300 mm, one spindle for asph \/ sph \/ flat. Ra < 5 nm; form < 1 \u03bb @ 633 nm. Final form generation happens here for aspheric work.<\/li>\n <li><strong>Station 5 \u2014 Coat (AR + durability)<\/strong> DLC for exposed elements (ADAS, handheld), BBAR for internal protected elements. 8\u201312 \u00b5m LWIR standard, SWIR \/ MWIR custom.<\/li>\n <\/ul>\n <p>For the procurement perspective on the full 5-station line (single PO, single technical owner, site readiness), see the <a href=\"https:\/\/www.opticalcutting.com\/infrared-optics-production-line\/\">production line hub<\/a>. For the material economics angle on germanium-specific lens production, see the <a href=\"https:\/\/www.opticalcutting.com\/germanium-lens-manufacturing-equipment\/\">germanium lens manufacturing equipment hub<\/a>.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section id=\"matrix\">\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">Equipment matrix<\/div><h2>Vimfun IR lens manufacturing equipment \u2014 by station<\/h2><\/div>\n <div>\n <p>Five lens-relevant stations. Cutting and grinding ship as standalone product pages; centering, polishing, and coating ship as part of the lens-line build.<\/p>\n <table class=\"tbl matrix\">\n <thead><tr><th>Machine<\/th><th>Station<\/th><th>Range<\/th><th>Lens-specific role<\/th><\/tr><\/thead>\n <tbody>\n <tr>\n <td><a href=\"https:\/\/www.opticalcutting.com\/sg-40-germanium-wafer-slicing-machine\/\">SG40<\/a><\/td>\n <td>1 \u2014 Cut<\/td>\n <td>\u00d8 \u2264 200 mm<\/td>\n <td>Round lens blanks, low edge chipping<\/td>\n <\/tr>\n <tr>\n <td><a href=\"https:\/\/www.opticalcutting.com\/germanium-lens-blank-cutting-machine\/\">SGR40<\/a><\/td>\n <td>1 \u2014 Cut<\/td>\n <td>\u00d8 \u2264 200 mm<\/td>\n <td>Multi-shape rotary indexed blanks<\/td>\n <\/tr>\n <tr>\n <td><a href=\"https:\/\/www.opticalcutting.com\/germanium-ingot-cutting-wire-saw\/\">SGI 40<\/a><\/td>\n <td>1 \u2014 Cut<\/td>\n <td>\u00d8 \u2264 185 \u00d7 L 400 mm<\/td>\n <td>Free-form lens blanks (off-axis, crescent)<\/td>\n <\/tr>\n <tr>\n <td>C-120L<\/td>\n <td>2 \u2014 Center<\/td>\n <td>\u00d8 \u2264 120 mm<\/td>\n <td>Small-lens decenter \u2264 20\u2033<\/td>\n <\/tr>\n <tr>\n <td>C-185L<\/td>\n <td>2 \u2014 Center<\/td>\n <td>\u00d8 \u2264 185 mm<\/td>\n <td>Large-lens decenter \u2264 20\u2033<\/td>\n <\/tr>\n <tr>\n <td><a href=\"https:\/\/www.opticalcutting.com\/g-100-infrared-optics-grinding-machine\/\">G-100<\/a><\/td>\n <td>3 \u2014 Grind<\/td>\n <td>\u00d8 10\u2013100 mm<\/td>\n <td>Spherical \/ convex \/ concave \/ flat \u2014 one spindle<\/td>\n <\/tr>\n <tr>\n <td><a href=\"https:\/\/www.opticalcutting.com\/g-250-znse-zns-optics-grinding-machine\/\">G-250<\/a><\/td>\n <td>3 \u2014 Grind<\/td>\n <td>\u00d8 80\u2013250 mm<\/td>\n <td>Large-aperture spherical, chalcogenide-safe<\/td>\n <\/tr>\n <tr>\n <td>Aspheric polisher<\/td>\n <td>4 \u2014 Polish<\/td>\n <td>\u00d8 \u2264 300 mm<\/td>\n <td>Asph \/ sph \/ flat on one spindle<\/td>\n <\/tr>\n <tr>\n <td>DLC + BBAR chambers<\/td>\n <td>5 \u2014 Coat<\/td>\n <td>Batch 50+ \/ load<\/td>\n <td>AR for LWIR \/ SWIR \/ MWIR lens elements<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">Decision Guide<\/div>\n <h2>Which Vimfun setup fits which IR lens type?<\/h2>\n <p>Four common lens-element types in IR optics, each with a recommended Vimfun configuration. Most product mixes blend two or three of these.<\/p>\n <\/div>\n <div>\n <h3>Spherical singlets (single-element imaging lenses)<\/h3>\n <p>The simplest lens type \u2014 one element, two spherical surfaces. Most handheld thermal scopes and surveillance cameras start here. Setup: SG40 round wafer slicing \u2192 C-120L centering \u2192 G-100 spherical generation \u2192 aspheric polisher (configured for spherical only). Cycle time per finished lens: ~30\u201345 minutes per face combined.<\/p>\n <h3>Aspheric singlets (high-performance imaging or ADAS)<\/h3>\n <p>One element, at least one aspheric surface. Used when packaging or imaging-performance requirements rule out a spherical multi-element design. Setup: same input stations, but the aspheric polisher runs in aspheric mode for 2\u20133\u00d7 the cycle of a spherical equivalent. Form check after grinding becomes critical because aspheric polishing can't compensate for large form errors.<\/p>\n <h3>Meniscus lenses (concave-convex elements)<\/h3>\n <p>Convex on one side, concave on the other. Common in athermal multi-element designs as the middle elements. Setup: same input + grind stations; polish runs both faces in sequence on the same spindle. Decenter budget tightens here because the concave-convex curvature compounds tilt sensitivity.<\/p>\n <h3>Athermal multi-element groups (defense, ADAS)<\/h3>\n <p>2\u20134 elements assembled into a temperature-compensated lens group. The Vimfun IR lens manufacturing equipment produces each element to spec; assembly happens at the customer's lens-house cleanroom. Per-element decenter \u2264 20\u2033 allocates a cumulative \u2264 60\u201380\u2033 budget across the group, which is what athermal designs typically need.<\/p>\n <div class=\"note\"><div class=\"t\">Free-form \/ off-axis lens elements<\/div><p>For thermal-imaging lenses with non-circular outlines (crescent \/ off-axis geometry typical in compact ADAS modules), the SGI 40 DXF contour cutter handles the blank stage. <a href=\"https:\/\/www.opticalcutting.com\/germanium-ingot-cutting-wire-saw\/\">Sunny Optical's crescent thermal-imaging lens<\/a> is the production reference for this pattern.<\/p><\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">Decenter cascade<\/div><h2>How does decenter cascade through the lens manufacturing line?<\/h2><\/div>\n <div>\n <p>The single most important number in an IR lens manufacturing equipment line is decenter \u2014 the angular displacement of the optical axis from the mechanical axis. It's introduced at multiple stations and accumulates if the tolerance flow isn't unified across them.<\/p>\n <ul class=\"clean\">\n <li><strong>Cutting<\/strong> Edge chipping \u2264 0.1 mm. Becomes the geometric reference for centering \u2014 large chips force the centering operator to compensate, eating decenter budget.<\/li>\n <li><strong>Centering<\/strong> Centroscope-verified \u2264 20 arc-seconds. The single tightest decenter number in the line \u2014 everything downstream inherits this baseline.<\/li>\n <li><strong>Grinding<\/strong> Holds the centered axis through curve generation. Spindle vibration \u2264 \u00b13 \u00b5m matters here because larger vibration walks the wheel position relative to the centered workpiece.<\/li>\n <li><strong>Polishing<\/strong> Polishing wheel registers off the cylindrical edge \u2014 if centering was good, polishing inherits it cleanly. If centering was sloppy, polishing has limited ability to recover.<\/li>\n <li><strong>Coating<\/strong> Doesn't affect decenter; depends on the polished surface quality.<\/li>\n <\/ul>\n <p>The unified tolerance flow per <a href=\"https:\/\/www.iso.org\/standard\/79655.html\" target=\"_blank\" rel=\"noopener noreferrer\">ISO 10110<\/a> across all five stations is what makes the 20\u2033 decenter budget actually hold from raw ingot to finished lens. In multi-vendor procurement, each station's spec gets reconciled at the integrator's bench, and the cumulative number drifts. Single-supplier lines hold the budget by design.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">Where IR Lenses Ship<\/div>\n <h2>Where Vimfun IR lens lines actually ship in production<\/h2>\n <p>Four lens-driven applications where Vimfun IR lens manufacturing equipment installs concentrate. Lens geometry (not material) drives the equipment configuration here.<\/p>\n <\/div>\n <figure style=\"margin:0 0 28px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--bg-2);box-shadow:0 18px 50px -30px rgba(1,90,147,.4)\">\n <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/finshed-IR-lens.jpg\" alt=\"IR lens manufacturing equipment output \u2014 finished IR lens elements showing spherical, aspheric, and meniscus geometry types from a Vimfun lens production line\" width=\"1600\" height=\"900\" loading=\"lazy\" onerror=\"this.style.display='none';this.nextElementSibling.style.display='flex'\" style=\"display:block;width:100%;height:auto;background:var(--bg-2)\" title=\"Vimfun glass cutting equipment is a perfect machine tool for precision cutting\">\n <div style=\"display:none;aspect-ratio:16\/9;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:linear-gradient(135deg,var(--blue-tint),var(--bg));color:var(--blue-deep);padding:24px;text-align:center\">\n <svg width=\"56\" height=\"56\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"opacity:.7\" aria-hidden=\"true\">\n <rect x=\"3\" y=\"3\" width=\"18\" height=\"18\" rx=\"2\"\/>\n <circle cx=\"8.5\" cy=\"8.5\" r=\"1.5\"\/>\n <path d=\"M21 15l-5-5L5 21\"\/>\n <\/svg>\n <div style=\"font-family:var(--mono);font-size:13px;font-weight:600;line-height:1.55;letter-spacing:.02em;max-width:520px\">\n Image placeholder \u2014 IR lens elements photo<br>\n <span style=\"font-weight:400;color:var(--ink-soft);font-size:11.5px;letter-spacing:.04em\">Upload to <code>\/wp-content\/uploads\/\u2026<\/code> and replace the <code>src<\/code> URL above.<\/span>\n <\/div>\n <\/div>\n <figcaption style=\"font-family:var(--mono);font-size:11.5px;color:var(--ink-soft);padding:11px 16px;border-top:1px solid var(--line);background:var(--white)\">Finished IR lens elements \u2014 spherical, aspheric, and meniscus geometries produced on the Vimfun lens line.<\/figcaption>\n <\/figure>\n <div class=\"feat-grid\">\n <div class=\"feat\">\n <div class=\"num\">1<\/div>\n <h3>Single-element scope lenses<\/h3>\n <p>Handheld thermal scopes, weapon sights, firefighter cams. \u00d8 20\u201350 mm Ge spherical singlets. Setup: SG40 + C-120L + G-100 + polisher. Moderate volume (50\u2013300\/month per OEM).<\/p>\n <\/div>\n <div class=\"feat\">\n <div class=\"num\">2<\/div>\n <h3>ADAS thermal-imaging lens groups<\/h3>\n <p>Automotive night vision, sealed-housing modules. 2-element athermal Ge groups or hybrid Ge+chalcogenide. High volume (1K\u201310K+\/month). DLC coating mandatory for road exposure.<\/p>\n <\/div>\n <div class=\"feat\">\n <div class=\"num\">3<\/div>\n <h3>Defense IR objective lenses<\/h3>\n <p>Vehicle thermal sights, aircraft IRST, missile seekers. Multi-element athermal groups with large primary optics (\u00d8 60\u2013200 mm). MIL-C-48497A coating. Free-form sometimes required.<\/p>\n <\/div>\n <div class=\"feat\">\n <div class=\"num\">4<\/div>\n <h3>CO\u2082 laser focusing lenses (ZnSe meniscus)<\/h3>\n <p>Industrial CO\u2082 laser cutting heads. \u00d8 25\u201350 mm ZnSe meniscus singlets, sometimes hybrid ZnSe+Ge. DLC overcoat for industrial environment durability.<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">Per-lens economics<\/div><h2>What does an IR lens cost at production volume?<\/h2><\/div>\n <div>\n <p>Per-lens cost on an IR lens manufacturing equipment line breaks into three components: material (the lens blank), labor (operator time across stations), and equipment depreciation. For a typical \u00d8 30 mm Ge spherical singlet, finished lens cost lands in the $100\u2013$200 range at mid-volume \u2014 material accounts for $80\u2013$150 of that.<\/p>\n <p>Three levers move per-lens cost. Material yield (kerf savings from closed-loop cutting): closed-loop wire at ~0.5 mm kerf saves ~$10\u2013$15 of germanium per 30 mm lens vs core-drill methods. Cycle time at grinding and polishing: 5 minutes per face on G-100 spherical means ~96 lenses\/shift; a 3-minute polishing cycle per face means similar polisher throughput. Yield through the line: 30% downstream improvement on Vimfun-cut blanks (Sunny Optical's reported number) directly multiplies the per-lens output.<\/p>\n <p>At ADAS volume (5K+ lenses\/month), the dominant lever is cycle time \u2014 each saved minute compounds. At defense low-volume (10\u201350\/month), the dominant lever is per-lens material cost on expensive Ge or special chalcogenides. At handheld mid-volume (100\u2013500\/month), both matter roughly equally. Combined line payback at typical lens production volume runs <span class=\"hl\">12\u201318 months<\/span>.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">Trust signals<\/div>\n <h2>Who already runs Vimfun IR lens equipment in production?<\/h2>\n <p>Reference customers across thermal-imaging OEMs, defense optics programs, and CO\u2082 laser-optics manufacturers. Selected names below; full reference list on request.<\/p>\n <\/div>\n <div>\n <p>The largest installed footprint runs at <a href=\"https:\/\/www.sunnyoptical.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Sunny Optical Technology Group (HKSE 2382)<\/a> \u2014 30+ Vimfun cutting machines feeding their thermal-imaging lens lines. Sunny's free-form crescent thermal-imaging lens is a public production reference for the SGI 40 platform; their full lens production happens with downstream stations Sunny operates in-house. Defense and automotive ADAS customers run under NDA and become accessible once your lens project profile is shared.<\/p>\n <div class=\"trust-grid\">\n <div class=\"trust-tag\">Sunny Optical \u00b7 thermal-imaging lens lines<\/div>\n <div class=\"trust-tag\">Edmund Optics<\/div>\n <div class=\"trust-tag\">Coherent \u00b7 CO\u2082 laser optics<\/div>\n <div class=\"trust-tag\">Defense IR (NDA)<\/div>\n <div class=\"trust-tag\">ADAS Tier-1 (NDA)<\/div>\n <div class=\"trust-tag\">Tecnisco Advanced Materials<\/div>\n <\/div>\n <p>For the broader <a href=\"https:\/\/www.opticalcutting.com\/infrared-optics-manufacturing-equipment\/\">infrared optics manufacturing equipment<\/a> Pillar catalog \u2014 including windows, prisms, and non-lens IR optics \u2014 see the main hub.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">FAQ<\/div>\n <h2>What buyers ask before choosing IR lens equipment?<\/h2>\n <p>The questions that come up most often in IR lens manufacturing equipment consultations. If yours isn't here, send it directly.<\/p>\n <\/div>\n <div class=\"faq\">\n <div class=\"faq-item\">\n <h3>Can the same equipment make lenses and flat IR windows on the same line?<\/h3>\n <p>Cutting, grinding (when configured for flat), polishing, and coating all run on flat optics. The lens-specific Station 2 (centering) is skipped for windows. Most shops that produce both lenses and windows run a dual-mode workflow on the same Vimfun line \u2014 same machines, different routing.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>What's the decenter accuracy of the centering station?<\/h3>\n <p>Mechanical centering plus centroscope optical-axis verification holds decenter \u2264 20 arc-seconds across the full workpiece range. For athermal multi-element groups, the per-element 20\u2033 accumulates to a cumulative group budget \u2014 typically 60\u201380\u2033 for a 3-element design, which is what most thermal-imaging athermal designs target.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>Does the line handle aspheric lens generation, or only spherical?<\/h3>\n <p>Both. The G-100 and G-250 grinders generate spherical curves; the aspheric polisher in Station 4 produces the final aspheric form on a single spindle that also handles spherical and flat. For programs heavily weighted to aspheric production, the polisher cycle time becomes the throughput bottleneck \u2014 usually 2\u20133\u00d7 the cycle of equivalent spherical work.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>What materials can Vimfun IR lens manufacturing equipment process?<\/h3>\n <p>Germanium, ZnSe, ZnS, silicon, sapphire, BK7, and fused silica. Each gets a material-specific parameter set \u2014 wire grade for cutting, wheel grit for grinding, pad and slurry chemistry for polishing. Hybrid lens groups (Ge front + ZnSe back, for example) run on the same equipment with parameter switching per element.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>How is lens assembly handled \u2014 does Vimfun provide that?<\/h3>\n <p>Vimfun manufactures individual lens elements to the assembly's per-element spec; assembly itself happens downstream in the customer's optics-house cleanroom. The Vimfun IR lens manufacturing equipment line ships with documented assembly-compatible tolerances (decenter, edge thickness, surface quality) so the assembly stage doesn't fight the manufactured elements.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>What's the minimum and maximum lens aperture this line handles?<\/h3>\n <p>Smallest: \u00d8 10 mm on the G-100 grinder. Largest: \u00d8 300 mm on the aspheric polisher. The cutting stations support up to \u00d8 200 mm blanks. For specialty applications outside this range (very small micro-optics or very large defense primary optics), custom configurations are available \u2014 ask in the consultation.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>Are there coating durability standards for lens surfaces in defense applications?<\/h3>\n <p>Yes \u2014 MIL-C-48497A is the standard reference for AR coating durability in defense and aerospace contexts. The Vimfun coating chambers ship with documented compliance procedures; program-specific test reports (tape-pull, abrasion, humidity, thermal cycling) are produced as part of FAT for defense customers.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>What's the typical lead time from PO to finished lens production?<\/h3>\n <p>12\u201316 weeks ship for the integrated lens line plus 4\u20136 weeks on-site for commissioning and training. Individual machines on the line ship in 8\u201310 weeks each. Defense programs that need MIL-spec coating qualification add 6\u201312 weeks for testing. Expedited builds with surcharges are available.<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n<script type=\"application\/ld+json\">\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"FAQPage\",\n \"mainEntity\": [\n {\n \"@type\": \"Question\",\n \"name\": \"Can the same equipment make lenses and flat IR windows on the same line?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Cutting, grinding, polishing, and coating all run on flat optics. The lens-specific centering station is skipped for windows. Most shops producing both run a dual-mode workflow on the same Vimfun line \u2014 same machines, different routing.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What is the decenter accuracy of the centering station?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Mechanical centering plus centroscope optical-axis verification holds decenter under 20 arc-seconds across the full workpiece range. For athermal multi-element groups, the per-element budget accumulates to a cumulative group budget \u2014 typically 60-80 arc-seconds for 3-element designs.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"Does the line handle aspheric lens generation?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Yes. The G-100 and G-250 grinders generate spherical curves; the aspheric polisher produces final aspheric form on a single spindle. For programs heavily weighted to aspheric, the polisher cycle time becomes the bottleneck \u2014 typically 2-3 times spherical cycle.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What materials can Vimfun IR lens manufacturing equipment process?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Germanium, ZnSe, ZnS, silicon, sapphire, BK7, and fused silica. Each gets a material-specific parameter set. Hybrid lens groups like Ge front plus ZnSe back run on the same equipment with parameter switching per element.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"How is lens assembly handled?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Vimfun manufactures individual lens elements to the assembly per-element spec. Assembly happens downstream in the customer optics-house cleanroom. 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Program-specific test reports \u2014 tape-pull, abrasion, humidity, thermal cycling \u2014 are produced as part of FAT.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What is the typical lead time from PO to finished lens production?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"12-16 weeks ship for the integrated lens line plus 4-6 weeks on-site for commissioning and training. Individual machines ship 8-10 weeks each. Defense programs needing MIL-spec coating qualification add 6-12 weeks for testing.\"}\n }\n ]\n}\n<\/script>\n\n\n<section class=\"cta\" id=\"quote\">\n <div class=\"wrap\">\n <div class=\"cta-inner\">\n <div>\n <div class=\"eyebrow\">Next step<\/div>\n <h2>Talk through your lens line with an engineer<\/h2>\n <p>Send us your lens drawing (or a finished-lens spec sheet), target monthly volume, and lens type (singlet \/ multi-element \/ athermal). We'll come back with a Vimfun IR lens manufacturing equipment proposal \u2014 equipment configuration, cycle-time estimate, total project cost \u2014 typically within one business day.<\/p>\n <\/div>\n <div class=\"cta-actions\">\n <a class=\"btn\" href=\"mailto:daria@endlesswiresaw.com?subject=IR%20lens%20manufacturing%20equipment%20\u2014%20line%20consultation%20request\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\"><path d=\"M5 12h14M13 6l6 6-6 6\"\/><\/svg>Request a lens-line consultation<\/a>\n <a class=\"btn btn-ghost\" href=\"#matrix\">Browse the equipment again<\/a>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n<\/body>\n<\/html>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>IR Lens Manufacturing Equipment: Spherical, Aspheric, Athermal Optics SOLUTION HUB \u00b7 SPHERICAL \u00b7 ASPHERIC \u00b7 MENISCUS \u00b7 ATHERMAL IR Lens Manufacturing Equipment Vimfun IR lens manufacturing equipment covers what makes a lens harder than a window \u2014 spherical and aspheric generation, sub-arc-second decenter, athermal multi-element tolerance flow. Cross-material (Ge, ZnSe, Si, sapphire); lens-element specific, not […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_acf_changed":false,"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-4906","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/pages\/4906","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/comments?post=4906"}],"version-history":[{"count":0,"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/pages\/4906\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/media?parent=4906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

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\n\t\t\t\t\t\n\n\n\n\nIR Lens Manufacturing Equipment: Spherical, Aspheric, Athermal Optics<\/title>\n<meta name=\"description\" content=\"IR lens manufacturing equipment from Vimfun \u2014 for spherical, aspheric, meniscus, and athermal multi-element lens production across germanium, ZnSe, silicon, and sapphire.\">\n<link rel=\"canonical\" href=\"https:\/\/www.opticalcutting.com\/ir-lens-manufacturing-equipment\/\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Sora:wght@500;600;700;800&family=Mulish:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap\" rel=\"stylesheet\">\n<style>\n :root{\n --white:#ffffff; --bg:#F2F8FD; --bg-2:#D5E8F6;\n --ink:#14202C; --ink-soft:#4E5C72;\n --blue:#0274BE; --blue-dark:#015A93; --blue-deep:#013D66; --blue-tint:#E1F0FB;\n --line:#DCE7EF; --line-2:#B8DBEF;\n 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rise{to{opacity:1;transform:none}}\n @media(prefers-reduced-motion:reduce){.rise{animation:none;opacity:1;transform:none}}\n .geo *{vector-effect:non-scaling-stroke}\n<\/style>\n<\/head>\n<body>\n\n\n<section class=\"hero\">\n <div class=\"wrap\">\n <div>\n <div class=\"model-line rise d1\">SOLUTION HUB \u00b7 SPHERICAL \u00b7 ASPHERIC \u00b7 MENISCUS \u00b7 ATHERMAL<\/div>\n <h1 class=\"rise d2\">IR Lens Manufacturing Equipment<\/h1>\n <p class=\"lede rise d2\">Vimfun <strong>IR lens manufacturing equipment<\/strong> covers what makes a lens harder than a window \u2014 spherical and aspheric generation, sub-arc-second decenter, athermal multi-element tolerance flow. Cross-material (Ge, ZnSe, Si, sapphire); lens-element specific, not material specific.<\/p>\n <div class=\"chips rise d3\">\n <div class=\"chip\"><div class=\"v\">\u00d8 \u2264 300<small> mm<\/small><\/div><div class=\"l\">Lens range<\/div><\/div>\n <div class=\"chip\"><div class=\"v\">\u2264 20<small> \u2033<\/small><\/div><div class=\"l\">Decenter<\/div><\/div>\n <div class=\"chip\"><div class=\"v\">< 1<small> \u03bb@633<\/small><\/div><div class=\"l\">Form irregularity<\/div><\/div>\n <div class=\"chip\"><div class=\"v\">Ra < 5<small> nm<\/small><\/div><div class=\"l\">Surface roughness<\/div><\/div>\n <\/div>\n <div class=\"hero-actions rise d4\">\n <a class=\"btn\" href=\"#quote\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\"><path d=\"M5 12h14M13 6l6 6-6 6\"\/><\/svg>Request a lens-line consultation<\/a>\n <a class=\"btn btn-ghost\" href=\"#matrix\">Browse the equipment<\/a>\n <\/div>\n <\/div>\n <div class=\"hero-visual rise d3\">\n <div class=\"vhead\"><span>FIG.01 \u2014 ATHERMAL 3-ELEMENT LENS GROUP<\/span><b>VIMFUN<\/b><\/div>\n <div class=\"vbody\">\n <svg class=\"geo\" viewBox=\"0 0 460 240\" width=\"100%\" role=\"img\" aria-label=\"IR lens manufacturing equipment example \u2014 athermal three-element germanium lens group cross-section showing front meniscus, middle biconvex, and rear meniscus elements with decenter and edge-thickness annotations\">\n \n <line x1=\"40\" y1=\"120\" x2=\"420\" y2=\"120\" stroke=\"#0274BE\" stroke-width=\"1\" stroke-dasharray=\"4 4\"\/>\n <text x=\"40\" y=\"135\" font-family=\"IBM Plex Mono\" font-size=\"9\" fill=\"#015A93\" font-weight=\"600\">optical axis<\/text>\n \n <path d=\"M85 60 Q95 120 85 180 L100 180 Q115 120 100 60 Z\" fill=\"#B8DBEF\" stroke=\"#015A93\" stroke-width=\"1.5\"\/>\n <text x=\"92\" y=\"200\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"10\" fill=\"#015A93\" font-weight=\"600\">L1<\/text>\n <text x=\"92\" y=\"213\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"8\" fill=\"#4E5C72\">meniscus<\/text>\n \n <path d=\"M205 50 Q175 120 205 190 L235 190 Q265 120 235 50 Z\" fill=\"#D5E8F6\" stroke=\"#015A93\" stroke-width=\"1.5\"\/>\n <text x=\"220\" y=\"207\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"10\" fill=\"#015A93\" font-weight=\"600\">L2<\/text>\n <text x=\"220\" y=\"220\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"8\" fill=\"#4E5C72\">biconvex<\/text>\n \n <path d=\"M335 70 Q325 120 335 170 L350 170 Q365 120 350 70 Z\" fill=\"#0274BE\" opacity=\".5\" stroke=\"#015A93\" stroke-width=\"1.5\"\/>\n <text x=\"342\" y=\"190\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"10\" fill=\"#015A93\" font-weight=\"600\">L3<\/text>\n <text x=\"342\" y=\"203\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"8\" fill=\"#4E5C72\">aspheric<\/text>\n \n <line x1=\"40\" y1=\"90\" x2=\"92\" y2=\"92\" stroke=\"#0274BE\" stroke-width=\"1\" opacity=\".7\"\/>\n <line x1=\"92\" y1=\"92\" x2=\"220\" y2=\"110\" stroke=\"#0274BE\" stroke-width=\"1\" opacity=\".7\"\/>\n <line x1=\"220\" y1=\"110\" x2=\"342\" y2=\"118\" stroke=\"#0274BE\" stroke-width=\"1\" opacity=\".7\"\/>\n <line x1=\"342\" y1=\"118\" x2=\"410\" y2=\"120\" stroke=\"#0274BE\" stroke-width=\"1.4\"\/>\n <line x1=\"40\" y1=\"150\" x2=\"92\" y2=\"148\" stroke=\"#0274BE\" stroke-width=\"1\" opacity=\".7\"\/>\n <line x1=\"92\" y1=\"148\" x2=\"220\" y2=\"130\" stroke=\"#0274BE\" stroke-width=\"1\" opacity=\".7\"\/>\n <line x1=\"220\" y1=\"130\" x2=\"342\" y2=\"122\" stroke=\"#0274BE\" stroke-width=\"1\" opacity=\".7\"\/>\n <line x1=\"342\" y1=\"122\" x2=\"410\" y2=\"120\" stroke=\"#0274BE\" stroke-width=\"1.4\"\/>\n \n <circle cx=\"410\" cy=\"120\" r=\"3\" fill=\"#015A93\"\/>\n <text x=\"410\" y=\"138\" text-anchor=\"middle\" font-family=\"IBM Plex Mono\" font-size=\"8\" fill=\"#4E5C72\">focal pt<\/text>\n \n <text x=\"230\" y=\"30\" text-anchor=\"middle\" font-family=\"Sora,sans-serif\" font-weight=\"700\" font-size=\"13\" fill=\"#015A93\">3-Element Athermal LWIR Lens<\/text>\n <\/svg>\n <\/div>\n <div class=\"vcap\">Three elements, one optical axis, \u226420\u2033 cumulative decenter \u2014 the tolerance is on each individual element AND on the group assembly.<\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">The Geometry Problem<\/div>\n <h2>What makes lens manufacturing different from window or prism manufacturing?<\/h2>\n <p>Windows and prisms are flat-face geometry problems. Lenses add curved surfaces, edge accuracy, and optical-axis alignment \u2014 three constraints that windows don't have to satisfy.<\/p>\n <\/div>\n <div>\n <p>The Vimfun IR lens manufacturing equipment platform is sized around three constraints that flat optics don't share. First, lens surfaces are curved \u2014 spherical, aspheric, or sometimes free-form \u2014 and the curvature must hold to sub-micron form tolerance over the full aperture. Generating a 100 mm spherical surface flat to better than 1 \u03bb at 633 nm reference is a different equipment problem from grinding a 100 mm window face flat to the same tolerance, because the curvature changes the kinematic relationship between wheel and workpiece every micron of the cycle.<\/p>\n <p>Second, lenses have an optical axis. The optical axis is a physical line through the center of curvature of both faces; decenter is the angular displacement of that line from the mechanical axis defined by the cylindrical edge. A 20-arc-second decenter on a thermal-imaging lens means the focal plane drifts ~1 pixel at the detector \u2014 small in absolute terms, large enough to fail an athermal-assembly qualification. Windows don't have this problem; prisms have angle accuracy instead, which is a different equipment problem.<\/p>\n <p>Third, IR lenses often ship in multi-element groups where each element's decenter and edge-thickness budget contributes to the cumulative group performance. The single-element tolerance is half the conversation; assembly-cumulative tolerance is the other half. The line's centering and grinding stations are sized to hold each element inside the group's per-element budget, not just the spec sheet number.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">Lens-relevant stations<\/div><h2>Which stations matter most for IR lens geometry?<\/h2><\/div>\n <div>\n <p>All five stations of a Vimfun IR lens manufacturing equipment line contribute, but two carry the lens-specific weight: centering (Station 2) sets the optical-axis reference; grinding (Station 3) generates the curve. Polishing (Station 4) refines the surface; cutting and coating bookend the line.<\/p>\n <ul class=\"clean\">\n <li><strong>Station 1 \u2014 Cut (blank prep)<\/strong> Closed-loop wire saw produces the lens blank. Edge-chipping spec sets the centering allowance downstream. Three blank-geometry options: <a href=\"https:\/\/www.opticalcutting.com\/sg-40-germanium-wafer-slicing-machine\/\">SG40 round<\/a>, <a href=\"https:\/\/www.opticalcutting.com\/germanium-lens-blank-cutting-machine\/\">SGR40 multi-shape<\/a>, <a href=\"https:\/\/www.opticalcutting.com\/germanium-ingot-cutting-wire-saw\/\">SGI 40 free-form<\/a>.<\/li>\n <li><strong>Station 2 \u2014 Center (the lens-critical station)<\/strong> Mechanical centering + centroscope optical-axis verification. Decenter \u2264 20 arc-seconds. C-120L for \u00d8 \u2264 120 mm, C-185L for \u00d8 \u2264 185 mm. This step exists in lens lines specifically; windows skip it.<\/li>\n <li><strong>Station 3 \u2014 Grind (form generation)<\/strong> Spherical or aspheric surface generation. <a href=\"https:\/\/www.opticalcutting.com\/g-100-infrared-optics-grinding-machine\/\">G-100 for \u00d8 10\u2013100 mm small thermal-imaging optics<\/a>; <a href=\"https:\/\/www.opticalcutting.com\/g-250-znse-zns-optics-grinding-machine\/\">G-250 for \u00d8 80\u2013250 mm large-aperture optics<\/a>. Form held to \u00b10.005 mm at this station; final form via polishing.<\/li>\n <li><strong>Station 4 \u2014 Polish (surface finish)<\/strong> Aspheric polisher up to \u00d8 300 mm, one spindle for asph \/ sph \/ flat. Ra < 5 nm; form < 1 \u03bb @ 633 nm. Final form generation happens here for aspheric work.<\/li>\n <li><strong>Station 5 \u2014 Coat (AR + durability)<\/strong> DLC for exposed elements (ADAS, handheld), BBAR for internal protected elements. 8\u201312 \u00b5m LWIR standard, SWIR \/ MWIR custom.<\/li>\n <\/ul>\n <p>For the procurement perspective on the full 5-station line (single PO, single technical owner, site readiness), see the <a href=\"https:\/\/www.opticalcutting.com\/infrared-optics-production-line\/\">production line hub<\/a>. For the material economics angle on germanium-specific lens production, see the <a href=\"https:\/\/www.opticalcutting.com\/germanium-lens-manufacturing-equipment\/\">germanium lens manufacturing equipment hub<\/a>.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section id=\"matrix\">\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">Equipment matrix<\/div><h2>Vimfun IR lens manufacturing equipment \u2014 by station<\/h2><\/div>\n <div>\n <p>Five lens-relevant stations. Cutting and grinding ship as standalone product pages; centering, polishing, and coating ship as part of the lens-line build.<\/p>\n <table class=\"tbl matrix\">\n <thead><tr><th>Machine<\/th><th>Station<\/th><th>Range<\/th><th>Lens-specific role<\/th><\/tr><\/thead>\n <tbody>\n <tr>\n <td><a href=\"https:\/\/www.opticalcutting.com\/sg-40-germanium-wafer-slicing-machine\/\">SG40<\/a><\/td>\n <td>1 \u2014 Cut<\/td>\n <td>\u00d8 \u2264 200 mm<\/td>\n <td>Round lens blanks, low edge chipping<\/td>\n <\/tr>\n <tr>\n <td><a href=\"https:\/\/www.opticalcutting.com\/germanium-lens-blank-cutting-machine\/\">SGR40<\/a><\/td>\n <td>1 \u2014 Cut<\/td>\n <td>\u00d8 \u2264 200 mm<\/td>\n <td>Multi-shape rotary indexed blanks<\/td>\n <\/tr>\n <tr>\n <td><a href=\"https:\/\/www.opticalcutting.com\/germanium-ingot-cutting-wire-saw\/\">SGI 40<\/a><\/td>\n <td>1 \u2014 Cut<\/td>\n <td>\u00d8 \u2264 185 \u00d7 L 400 mm<\/td>\n <td>Free-form lens blanks (off-axis, crescent)<\/td>\n <\/tr>\n <tr>\n <td>C-120L<\/td>\n <td>2 \u2014 Center<\/td>\n <td>\u00d8 \u2264 120 mm<\/td>\n <td>Small-lens decenter \u2264 20\u2033<\/td>\n <\/tr>\n <tr>\n <td>C-185L<\/td>\n <td>2 \u2014 Center<\/td>\n <td>\u00d8 \u2264 185 mm<\/td>\n <td>Large-lens decenter \u2264 20\u2033<\/td>\n <\/tr>\n <tr>\n <td><a href=\"https:\/\/www.opticalcutting.com\/g-100-infrared-optics-grinding-machine\/\">G-100<\/a><\/td>\n <td>3 \u2014 Grind<\/td>\n <td>\u00d8 10\u2013100 mm<\/td>\n <td>Spherical \/ convex \/ concave \/ flat \u2014 one spindle<\/td>\n <\/tr>\n <tr>\n <td><a href=\"https:\/\/www.opticalcutting.com\/g-250-znse-zns-optics-grinding-machine\/\">G-250<\/a><\/td>\n <td>3 \u2014 Grind<\/td>\n <td>\u00d8 80\u2013250 mm<\/td>\n <td>Large-aperture spherical, chalcogenide-safe<\/td>\n <\/tr>\n <tr>\n <td>Aspheric polisher<\/td>\n <td>4 \u2014 Polish<\/td>\n <td>\u00d8 \u2264 300 mm<\/td>\n <td>Asph \/ sph \/ flat on one spindle<\/td>\n <\/tr>\n <tr>\n <td>DLC + BBAR chambers<\/td>\n <td>5 \u2014 Coat<\/td>\n <td>Batch 50+ \/ load<\/td>\n <td>AR for LWIR \/ SWIR \/ MWIR lens elements<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">Decision Guide<\/div>\n <h2>Which Vimfun setup fits which IR lens type?<\/h2>\n <p>Four common lens-element types in IR optics, each with a recommended Vimfun configuration. Most product mixes blend two or three of these.<\/p>\n <\/div>\n <div>\n <h3>Spherical singlets (single-element imaging lenses)<\/h3>\n <p>The simplest lens type \u2014 one element, two spherical surfaces. Most handheld thermal scopes and surveillance cameras start here. Setup: SG40 round wafer slicing \u2192 C-120L centering \u2192 G-100 spherical generation \u2192 aspheric polisher (configured for spherical only). Cycle time per finished lens: ~30\u201345 minutes per face combined.<\/p>\n <h3>Aspheric singlets (high-performance imaging or ADAS)<\/h3>\n <p>One element, at least one aspheric surface. Used when packaging or imaging-performance requirements rule out a spherical multi-element design. Setup: same input stations, but the aspheric polisher runs in aspheric mode for 2\u20133\u00d7 the cycle of a spherical equivalent. Form check after grinding becomes critical because aspheric polishing can't compensate for large form errors.<\/p>\n <h3>Meniscus lenses (concave-convex elements)<\/h3>\n <p>Convex on one side, concave on the other. Common in athermal multi-element designs as the middle elements. Setup: same input + grind stations; polish runs both faces in sequence on the same spindle. Decenter budget tightens here because the concave-convex curvature compounds tilt sensitivity.<\/p>\n <h3>Athermal multi-element groups (defense, ADAS)<\/h3>\n <p>2\u20134 elements assembled into a temperature-compensated lens group. The Vimfun IR lens manufacturing equipment produces each element to spec; assembly happens at the customer's lens-house cleanroom. Per-element decenter \u2264 20\u2033 allocates a cumulative \u2264 60\u201380\u2033 budget across the group, which is what athermal designs typically need.<\/p>\n <div class=\"note\"><div class=\"t\">Free-form \/ off-axis lens elements<\/div><p>For thermal-imaging lenses with non-circular outlines (crescent \/ off-axis geometry typical in compact ADAS modules), the SGI 40 DXF contour cutter handles the blank stage. <a href=\"https:\/\/www.opticalcutting.com\/germanium-ingot-cutting-wire-saw\/\">Sunny Optical's crescent thermal-imaging lens<\/a> is the production reference for this pattern.<\/p><\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">Decenter cascade<\/div><h2>How does decenter cascade through the lens manufacturing line?<\/h2><\/div>\n <div>\n <p>The single most important number in an IR lens manufacturing equipment line is decenter \u2014 the angular displacement of the optical axis from the mechanical axis. It's introduced at multiple stations and accumulates if the tolerance flow isn't unified across them.<\/p>\n <ul class=\"clean\">\n <li><strong>Cutting<\/strong> Edge chipping \u2264 0.1 mm. Becomes the geometric reference for centering \u2014 large chips force the centering operator to compensate, eating decenter budget.<\/li>\n <li><strong>Centering<\/strong> Centroscope-verified \u2264 20 arc-seconds. The single tightest decenter number in the line \u2014 everything downstream inherits this baseline.<\/li>\n <li><strong>Grinding<\/strong> Holds the centered axis through curve generation. Spindle vibration \u2264 \u00b13 \u00b5m matters here because larger vibration walks the wheel position relative to the centered workpiece.<\/li>\n <li><strong>Polishing<\/strong> Polishing wheel registers off the cylindrical edge \u2014 if centering was good, polishing inherits it cleanly. If centering was sloppy, polishing has limited ability to recover.<\/li>\n <li><strong>Coating<\/strong> Doesn't affect decenter; depends on the polished surface quality.<\/li>\n <\/ul>\n <p>The unified tolerance flow per <a href=\"https:\/\/www.iso.org\/standard\/79655.html\" target=\"_blank\" rel=\"noopener noreferrer\">ISO 10110<\/a> across all five stations is what makes the 20\u2033 decenter budget actually hold from raw ingot to finished lens. In multi-vendor procurement, each station's spec gets reconciled at the integrator's bench, and the cumulative number drifts. Single-supplier lines hold the budget by design.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">Where IR Lenses Ship<\/div>\n <h2>Where Vimfun IR lens lines actually ship in production<\/h2>\n <p>Four lens-driven applications where Vimfun IR lens manufacturing equipment installs concentrate. Lens geometry (not material) drives the equipment configuration here.<\/p>\n <\/div>\n <figure style=\"margin:0 0 28px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--bg-2);box-shadow:0 18px 50px -30px rgba(1,90,147,.4)\">\n <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.opticalcutting.com\/wp-content\/uploads\/2026\/06\/finshed-IR-lens.jpg\" alt=\"IR lens manufacturing equipment output \u2014 finished IR lens elements showing spherical, aspheric, and meniscus geometry types from a Vimfun lens production line\" width=\"1600\" height=\"900\" loading=\"lazy\" onerror=\"this.style.display='none';this.nextElementSibling.style.display='flex'\" style=\"display:block;width:100%;height:auto;background:var(--bg-2)\" title=\"Vimfun glass cutting equipment is a perfect machine tool for precision cutting\">\n <div style=\"display:none;aspect-ratio:16\/9;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:linear-gradient(135deg,var(--blue-tint),var(--bg));color:var(--blue-deep);padding:24px;text-align:center\">\n <svg width=\"56\" height=\"56\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"opacity:.7\" aria-hidden=\"true\">\n <rect x=\"3\" y=\"3\" width=\"18\" height=\"18\" rx=\"2\"\/>\n <circle cx=\"8.5\" cy=\"8.5\" r=\"1.5\"\/>\n <path d=\"M21 15l-5-5L5 21\"\/>\n <\/svg>\n <div style=\"font-family:var(--mono);font-size:13px;font-weight:600;line-height:1.55;letter-spacing:.02em;max-width:520px\">\n Image placeholder \u2014 IR lens elements photo<br>\n <span style=\"font-weight:400;color:var(--ink-soft);font-size:11.5px;letter-spacing:.04em\">Upload to <code>\/wp-content\/uploads\/\u2026<\/code> and replace the <code>src<\/code> URL above.<\/span>\n <\/div>\n <\/div>\n <figcaption style=\"font-family:var(--mono);font-size:11.5px;color:var(--ink-soft);padding:11px 16px;border-top:1px solid var(--line);background:var(--white)\">Finished IR lens elements \u2014 spherical, aspheric, and meniscus geometries produced on the Vimfun lens line.<\/figcaption>\n <\/figure>\n <div class=\"feat-grid\">\n <div class=\"feat\">\n <div class=\"num\">1<\/div>\n <h3>Single-element scope lenses<\/h3>\n <p>Handheld thermal scopes, weapon sights, firefighter cams. \u00d8 20\u201350 mm Ge spherical singlets. Setup: SG40 + C-120L + G-100 + polisher. Moderate volume (50\u2013300\/month per OEM).<\/p>\n <\/div>\n <div class=\"feat\">\n <div class=\"num\">2<\/div>\n <h3>ADAS thermal-imaging lens groups<\/h3>\n <p>Automotive night vision, sealed-housing modules. 2-element athermal Ge groups or hybrid Ge+chalcogenide. High volume (1K\u201310K+\/month). DLC coating mandatory for road exposure.<\/p>\n <\/div>\n <div class=\"feat\">\n <div class=\"num\">3<\/div>\n <h3>Defense IR objective lenses<\/h3>\n <p>Vehicle thermal sights, aircraft IRST, missile seekers. Multi-element athermal groups with large primary optics (\u00d8 60\u2013200 mm). MIL-C-48497A coating. Free-form sometimes required.<\/p>\n <\/div>\n <div class=\"feat\">\n <div class=\"num\">4<\/div>\n <h3>CO\u2082 laser focusing lenses (ZnSe meniscus)<\/h3>\n <p>Industrial CO\u2082 laser cutting heads. \u00d8 25\u201350 mm ZnSe meniscus singlets, sometimes hybrid ZnSe+Ge. DLC overcoat for industrial environment durability.<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap twocol\">\n <div class=\"lab\"><div class=\"eyebrow\">Per-lens economics<\/div><h2>What does an IR lens cost at production volume?<\/h2><\/div>\n <div>\n <p>Per-lens cost on an IR lens manufacturing equipment line breaks into three components: material (the lens blank), labor (operator time across stations), and equipment depreciation. For a typical \u00d8 30 mm Ge spherical singlet, finished lens cost lands in the $100\u2013$200 range at mid-volume \u2014 material accounts for $80\u2013$150 of that.<\/p>\n <p>Three levers move per-lens cost. Material yield (kerf savings from closed-loop cutting): closed-loop wire at ~0.5 mm kerf saves ~$10\u2013$15 of germanium per 30 mm lens vs core-drill methods. Cycle time at grinding and polishing: 5 minutes per face on G-100 spherical means ~96 lenses\/shift; a 3-minute polishing cycle per face means similar polisher throughput. Yield through the line: 30% downstream improvement on Vimfun-cut blanks (Sunny Optical's reported number) directly multiplies the per-lens output.<\/p>\n <p>At ADAS volume (5K+ lenses\/month), the dominant lever is cycle time \u2014 each saved minute compounds. At defense low-volume (10\u201350\/month), the dominant lever is per-lens material cost on expensive Ge or special chalcogenides. At handheld mid-volume (100\u2013500\/month), both matter roughly equally. Combined line payback at typical lens production volume runs <span class=\"hl\">12\u201318 months<\/span>.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section>\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">Trust signals<\/div>\n <h2>Who already runs Vimfun IR lens equipment in production?<\/h2>\n <p>Reference customers across thermal-imaging OEMs, defense optics programs, and CO\u2082 laser-optics manufacturers. Selected names below; full reference list on request.<\/p>\n <\/div>\n <div>\n <p>The largest installed footprint runs at <a href=\"https:\/\/www.sunnyoptical.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Sunny Optical Technology Group (HKSE 2382)<\/a> \u2014 30+ Vimfun cutting machines feeding their thermal-imaging lens lines. Sunny's free-form crescent thermal-imaging lens is a public production reference for the SGI 40 platform; their full lens production happens with downstream stations Sunny operates in-house. Defense and automotive ADAS customers run under NDA and become accessible once your lens project profile is shared.<\/p>\n <div class=\"trust-grid\">\n <div class=\"trust-tag\">Sunny Optical \u00b7 thermal-imaging lens lines<\/div>\n <div class=\"trust-tag\">Edmund Optics<\/div>\n <div class=\"trust-tag\">Coherent \u00b7 CO\u2082 laser optics<\/div>\n <div class=\"trust-tag\">Defense IR (NDA)<\/div>\n <div class=\"trust-tag\">ADAS Tier-1 (NDA)<\/div>\n <div class=\"trust-tag\">Tecnisco Advanced Materials<\/div>\n <\/div>\n <p>For the broader <a href=\"https:\/\/www.opticalcutting.com\/infrared-optics-manufacturing-equipment\/\">infrared optics manufacturing equipment<\/a> Pillar catalog \u2014 including windows, prisms, and non-lens IR optics \u2014 see the main hub.<\/p>\n <\/div>\n <\/div>\n<\/section>\n\n\n<section class=\"band\">\n <div class=\"wrap\">\n <div class=\"sec-head\">\n <div class=\"eyebrow\">FAQ<\/div>\n <h2>What buyers ask before choosing IR lens equipment?<\/h2>\n <p>The questions that come up most often in IR lens manufacturing equipment consultations. If yours isn't here, send it directly.<\/p>\n <\/div>\n <div class=\"faq\">\n <div class=\"faq-item\">\n <h3>Can the same equipment make lenses and flat IR windows on the same line?<\/h3>\n <p>Cutting, grinding (when configured for flat), polishing, and coating all run on flat optics. The lens-specific Station 2 (centering) is skipped for windows. Most shops that produce both lenses and windows run a dual-mode workflow on the same Vimfun line \u2014 same machines, different routing.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>What's the decenter accuracy of the centering station?<\/h3>\n <p>Mechanical centering plus centroscope optical-axis verification holds decenter \u2264 20 arc-seconds across the full workpiece range. For athermal multi-element groups, the per-element 20\u2033 accumulates to a cumulative group budget \u2014 typically 60\u201380\u2033 for a 3-element design, which is what most thermal-imaging athermal designs target.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>Does the line handle aspheric lens generation, or only spherical?<\/h3>\n <p>Both. The G-100 and G-250 grinders generate spherical curves; the aspheric polisher in Station 4 produces the final aspheric form on a single spindle that also handles spherical and flat. For programs heavily weighted to aspheric production, the polisher cycle time becomes the throughput bottleneck \u2014 usually 2\u20133\u00d7 the cycle of equivalent spherical work.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>What materials can Vimfun IR lens manufacturing equipment process?<\/h3>\n <p>Germanium, ZnSe, ZnS, silicon, sapphire, BK7, and fused silica. Each gets a material-specific parameter set \u2014 wire grade for cutting, wheel grit for grinding, pad and slurry chemistry for polishing. Hybrid lens groups (Ge front + ZnSe back, for example) run on the same equipment with parameter switching per element.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>How is lens assembly handled \u2014 does Vimfun provide that?<\/h3>\n <p>Vimfun manufactures individual lens elements to the assembly's per-element spec; assembly itself happens downstream in the customer's optics-house cleanroom. The Vimfun IR lens manufacturing equipment line ships with documented assembly-compatible tolerances (decenter, edge thickness, surface quality) so the assembly stage doesn't fight the manufactured elements.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>What's the minimum and maximum lens aperture this line handles?<\/h3>\n <p>Smallest: \u00d8 10 mm on the G-100 grinder. Largest: \u00d8 300 mm on the aspheric polisher. The cutting stations support up to \u00d8 200 mm blanks. For specialty applications outside this range (very small micro-optics or very large defense primary optics), custom configurations are available \u2014 ask in the consultation.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>Are there coating durability standards for lens surfaces in defense applications?<\/h3>\n <p>Yes \u2014 MIL-C-48497A is the standard reference for AR coating durability in defense and aerospace contexts. The Vimfun coating chambers ship with documented compliance procedures; program-specific test reports (tape-pull, abrasion, humidity, thermal cycling) are produced as part of FAT for defense customers.<\/p>\n <\/div>\n <div class=\"faq-item\">\n <h3>What's the typical lead time from PO to finished lens production?<\/h3>\n <p>12\u201316 weeks ship for the integrated lens line plus 4\u20136 weeks on-site for commissioning and training. Individual machines on the line ship in 8\u201310 weeks each. Defense programs that need MIL-spec coating qualification add 6\u201312 weeks for testing. Expedited builds with surcharges are available.<\/p>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n<script type=\"application\/ld+json\">\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"FAQPage\",\n \"mainEntity\": [\n {\n \"@type\": \"Question\",\n \"name\": \"Can the same equipment make lenses and flat IR windows on the same line?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Cutting, grinding, polishing, and coating all run on flat optics. The lens-specific centering station is skipped for windows. Most shops producing both run a dual-mode workflow on the same Vimfun line \u2014 same machines, different routing.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What is the decenter accuracy of the centering station?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Mechanical centering plus centroscope optical-axis verification holds decenter under 20 arc-seconds across the full workpiece range. For athermal multi-element groups, the per-element budget accumulates to a cumulative group budget \u2014 typically 60-80 arc-seconds for 3-element designs.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"Does the line handle aspheric lens generation?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Yes. The G-100 and G-250 grinders generate spherical curves; the aspheric polisher produces final aspheric form on a single spindle. For programs heavily weighted to aspheric, the polisher cycle time becomes the bottleneck \u2014 typically 2-3 times spherical cycle.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What materials can Vimfun IR lens manufacturing equipment process?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Germanium, ZnSe, ZnS, silicon, sapphire, BK7, and fused silica. Each gets a material-specific parameter set. Hybrid lens groups like Ge front plus ZnSe back run on the same equipment with parameter switching per element.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"How is lens assembly handled?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Vimfun manufactures individual lens elements to the assembly per-element spec. Assembly happens downstream in the customer optics-house cleanroom. The line ships with documented assembly-compatible tolerances so assembly doesn't fight the manufactured elements.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What is the minimum and maximum lens aperture this line handles?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"Smallest is \u00d8 10 mm on the G-100 grinder. Largest is \u00d8 300 mm on the aspheric polisher. Cutting stations support up to \u00d8 200 mm blanks. Custom configurations are available for specialty micro-optics or very large defense primary optics.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"Are there coating durability standards for defense lens surfaces?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"MIL-C-48497A is the standard reference for AR coating durability in defense and aerospace. Vimfun coating chambers ship with documented compliance procedures. Program-specific test reports \u2014 tape-pull, abrasion, humidity, thermal cycling \u2014 are produced as part of FAT.\"}\n },\n {\n \"@type\": \"Question\",\n \"name\": \"What is the typical lead time from PO to finished lens production?\",\n \"acceptedAnswer\": {\"@type\":\"Answer\",\"text\":\"12-16 weeks ship for the integrated lens line plus 4-6 weeks on-site for commissioning and training. Individual machines ship 8-10 weeks each. Defense programs needing MIL-spec coating qualification add 6-12 weeks for testing.\"}\n }\n ]\n}\n<\/script>\n\n\n<section class=\"cta\" id=\"quote\">\n <div class=\"wrap\">\n <div class=\"cta-inner\">\n <div>\n <div class=\"eyebrow\">Next step<\/div>\n <h2>Talk through your lens line with an engineer<\/h2>\n <p>Send us your lens drawing (or a finished-lens spec sheet), target monthly volume, and lens type (singlet \/ multi-element \/ athermal). We'll come back with a Vimfun IR lens manufacturing equipment proposal \u2014 equipment configuration, cycle-time estimate, total project cost \u2014 typically within one business day.<\/p>\n <\/div>\n <div class=\"cta-actions\">\n <a class=\"btn\" href=\"mailto:daria@endlesswiresaw.com?subject=IR%20lens%20manufacturing%20equipment%20\u2014%20line%20consultation%20request\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\"><path d=\"M5 12h14M13 6l6 6-6 6\"\/><\/svg>Request a lens-line consultation<\/a>\n <a class=\"btn btn-ghost\" href=\"#matrix\">Browse the equipment again<\/a>\n <\/div>\n <\/div>\n <\/div>\n<\/section>\n\n<\/body>\n<\/html>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>IR Lens Manufacturing Equipment: Spherical, Aspheric, Athermal Optics SOLUTION HUB \u00b7 SPHERICAL \u00b7 ASPHERIC \u00b7 MENISCUS \u00b7 ATHERMAL IR Lens Manufacturing Equipment Vimfun IR lens manufacturing equipment covers what makes a lens harder than a window \u2014 spherical and aspheric generation, sub-arc-second decenter, athermal multi-element tolerance flow. Cross-material (Ge, ZnSe, Si, sapphire); lens-element specific, not […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_acf_changed":false,"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-4906","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/pages\/4906","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/comments?post=4906"}],"version-history":[{"count":0,"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/pages\/4906\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.opticalcutting.com\/ja\/wp-json\/wp\/v2\/media?parent=4906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}