{"title":"Collimating Lens \u0026 Focusing Lens","description":"\u003ch2\u003eLink Metal CNC Collimating \u0026amp; Focusing Lens | One-Stop Laser Optical Consumable Solution\u003c\/h2\u003e\n\n\u003cp\u003eGet both collimating and focusing lenses you need in one place. Our full series delivers industrial-grade, high-precision optical consumables for all mainstream fiber laser cutting heads, with unified premium quality and 1:1 perfect fit for your equipment.\u003c\/p\u003e\n\n\u003ch3\u003eFull Series Coverage: All Models You Need In One Place\u003c\/h3\u003e\n\u003cp\u003eComplete compatibility with all mainstream laser cutting head brands and models:\n\u003c\/p\u003e\u003cul\u003e\n  \u003cli\u003eCompatible Brands: Raytools, Precitec, Bodor, WSX, BOCI, OSPRI, HSG\u003c\/li\u003e\n  \u003cli\u003eFull size coverage: D20, D25, D28, D30, D37, D38.1, with full focal length options (F60, F100, F125, F150, F200)\u003c\/li\u003e\n  \u003cli\u003eFull model coverage: Both collimating lens and focusing lens for 2D\/3D laser cutting machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\n\u003ch3\u003eUnified Industrial-Grade Optical Quality\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eImported JGS1 fused silica material, 1064nm high transmittance, ultra-low optical loss\u003c\/li\u003e\n  \u003cli\u003eDouble-sided anti-reflection coating, high damage threshold, anti-scratch, 30% longer service life\u003c\/li\u003e\n  \u003cli\u003eUltra-precision polishing, no bubble, no impurity, stable laser beam shaping, improve cutting accuracy\u003c\/li\u003e\n  \u003cli\u003e100% full inspection before shipment, 1:1 original fit, plug and play, no debugging required\u003c\/li\u003e\n  \u003cli\u003eFactory-direct bulk supply, competitive price, lower your optical consumable procurement cost\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eSuitable for 1064nm fiber laser cutting machines, widely used in sheet metal processing, hardware manufacturing, automotive parts, aerospace and other high-precision industrial laser processing scenarios.\u003c\/p\u003e\n\n\u003ch3\u003eCore Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: Link Metal CNC\u003c\/li\u003e\n  \u003cli\u003eProduct Series: Collimating Lens \u0026amp; Focusing Lens\u003c\/li\u003e\n  \u003cli\u003eCore Material: JGS1 Fused Silica\u003c\/li\u003e\n  \u003cli\u003eApplicable Wavelength: 1064nm\u003c\/li\u003e\n  \u003cli\u003eCompatible Equipment: Raytools, Precitec, Bodor, WSX, BOCI, OSPRI Laser Cutting Heads\u003c\/li\u003e\n  \u003cli\u003eApplicable Power: 1000W - 20000W\u003c\/li\u003e\n  \u003cli\u003eQuality Standard: 100% Full Inspection Before Shipment\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"fiber-laser-collimating-lens-1064nm","title":"Link Metal CNC Collimating Lens for Fiber Laser Welding \u0026 Cutting Machines","description":"\u003ch2\u003eCollimating Lens for Fiber Laser Welding \u0026amp; Cutting Machines 1064nm\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional high-precision optical collimating lenses specially designed for mainstream fiber laser welding machines, cutting machines and handheld laser welding torches.\u003c\/strong\u003e As a core optical component of the laser head, the collimating lens converts the diverging laser beam from the optical fiber into a perfectly parallel beam, ensuring stable laser transmission and optimal processing results.\u003c\/p\u003e\n\n\u003cp\u003eMade from premium fused silica material with advanced anti-reflection coating, these collimating lenses provide stable performance, excellent anti-spatter properties and long service life. They are ideal replacement accessories for daily maintenance of all fiber laser equipment.\u003c\/p\u003e\n\n\u003ch3\u003eKey Advantages of Our Fiber Laser Collimating Lenses\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1064nm Standard Wavelength\u003c\/strong\u003e: Optimized exclusively for 1064nm fiber laser radiation. High light transmittance ≥99.5%, ensuring stable laser output and excellent processing effect.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003ePremium Fused Silica Material\u003c\/strong\u003e: Crafted from high-grade fused silica quartz. Features high temperature resistance, superior scratch resistance and excellent anti-spatter performance.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003ePrecision Machined Dimensions\u003c\/strong\u003e: High-precision CNC machining with strict size tolerance control. Perfect fit with most original laser heads, no additional debugging required after replacement.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Anti-Reflection Coating\u003c\/strong\u003e: Double-sided hard anti-reflection coating effectively reduces light loss and improves laser energy utilization rate by up to 15%.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility\u003c\/strong\u003e: Compatible with most mainstream fiber laser welding and cutting equipment brands including Qilin, Hanwei, WSX, Raytools, Precitec and more.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003e9 Standard Specifications\u003c\/strong\u003e: Complete range of diameters and focal lengths available, covering all common handheld welding torches and laser cutting heads.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eIndustrial Grade Durability\u003c\/strong\u003e: Designed for 24\/7 industrial production environments. Resists thermal deformation and damage from welding spatter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Equipment \u0026amp; Available Specifications\u003c\/h3\u003e\n\n\u003ch4\u003eCompatible Equipment\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAll Handheld Fiber Laser Welding Torches\u003c\/li\u003e\n  \u003cli\u003eAll Mainstream Fiber Laser Welding Machines\u003c\/li\u003e\n  \u003cli\u003eAll Fiber Laser Cutting Machines\u003c\/li\u003e\n  \u003cli\u003eAll 1064nm Fiber Laser Processing Equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAvailable Collimating Lens Specifications\u003c\/h4\u003e\n\n\u003ch5\u003eD16 Series\u003c\/h5\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD16 F60 CT5\u003c\/strong\u003e: 16mm diameter, 60mm focal length, 5mm center thickness. Compatible with 21T, 23S\/T, SW150, 22C handheld welding torches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eD20 Series\u003c\/h5\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20 F50 CT3.5\u003c\/strong\u003e: 20mm diameter, 50mm focal length, 3.5mm center thickness. Compatible with Qilin\/Hanwei handheld welding torches.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20 F50 CT4.5 ET2.2\u003c\/strong\u003e: 20mm diameter, 50mm focal length, 4.5mm center thickness, 2.2mm edge thickness.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20 F60 CT4.5 ET2.6\u003c\/strong\u003e: 20mm diameter, 60mm focal length, 4.5mm center thickness, 2.6mm edge thickness.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20 F60 CT5 ET3.3\u003c\/strong\u003e: 20mm diameter, 60mm focal length, 5mm center thickness, 3.3mm edge thickness.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20 F70 CT3.5 ET1.88\u003c\/strong\u003e: 20mm diameter, 70mm focal length, 3.5mm center thickness, 1.88mm edge thickness.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20 F100 CT4.5 ET3.4\u003c\/strong\u003e: 20mm diameter, 100mm focal length, 4.5mm center thickness, 3.4mm edge thickness.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20 F150 CT3\u003c\/strong\u003e: 20mm diameter, 150mm focal length, 3mm center thickness. Compatible with Qilin\/Hanwei\/WSX handheld welding torches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eD30 Series\u003c\/h5\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30 F100 CT4.5 ET1.93\u003c\/strong\u003e: 30mm diameter, 100mm focal length, 4.5mm center thickness, 1.93mm edge thickness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCustom Specifications Available\u003c\/strong\u003e: For non-standard sizes, special coatings or custom focal lengths, please \u003ca href=\"https:\/\/www.linkmetalcnc.com\/pages\/contact\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003econtact our sales team\u003c\/a\u003e directly for personalized solutions.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBrand\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eLink Metal CNC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eProduct Type\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eFiber Laser Collimating Lens\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eMaterial\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003ePremium Fused Silica Quartz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eWorking Wavelength\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e1064nm (Fiber Laser)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCoating\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eDouble-Sided Hard Anti-Reflection Coating @1064nm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eTransmittance\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e≥99.5% @1064nm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Quality\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e60\/40 Scratch-Dig (MIL-PRF-13830B)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Flatness\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eλ\/4 @633nm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAvailable Diameters\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e16mm, 20mm, 30mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAvailable Focal Lengths\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e50mm, 60mm, 70mm, 100mm, 150mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Power\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e500W - 6000W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCore Function\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eConvert Diverging Laser Beam to Parallel Beam\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplication Scenario\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSheet Metal Welding, Hardware Processing, Laser Cutting\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Selected Fiber Laser Collimating Lens\u003c\/li\u003e\n  \u003cli\u003e1 x Specialized Anti-Static Protective Packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality Assurance\u003c\/h3\u003e\n\u003cp\u003eAll fiber laser collimating lenses from Link Metal CNC undergo strict quality testing before delivery, including transmittance test, surface quality inspection, dimensional accuracy verification and focal length measurement.\u003c\/p\u003e\n\n\u003cp\u003eWe maintain strict ISO 9001 quality control standards to ensure stable and reliable product performance. All our products come with professional pre-sales consultation and comprehensive after-sales support.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What does a collimating lens do in a fiber laser system?\u003c\/strong\u003e\u003cbr\u003e\nA: A collimating lens converts the diverging laser beam emitted from the end of the optical fiber into a perfectly parallel beam. This is essential for maintaining consistent beam quality over distance and ensuring optimal performance of the subsequent focusing lens.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I choose the correct collimating lens for my welding torch?\u003c\/strong\u003e\u003cbr\u003e\nA: You need to match the exact diameter, focal length, center thickness and edge thickness of your original lens. The easiest way is to check the part number on your old lens or refer to your laser head manual. You can also contact our sales team with your torch model for assistance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the collimating lens?\u003c\/strong\u003e\u003cbr\u003e\nA: Under normal operating conditions, a collimating lens should last 3-6 months. However, it should be replaced immediately if you notice any film burning, scratches, spatter damage or if welding\/cutting quality deteriorates. Regular cleaning and proper maintenance can extend its service life.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I clean the collimating lens?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, you can clean slightly contaminated lenses using proper techniques. Always wear clean gloves and use a blower ball first to remove loose dust. Then gently wipe with a lint-free microfiber cloth and lens cleaning fluid. Never use regular paper towels or tissues as they will scratch the coating.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Are these collimating lenses compatible with my brand of laser equipment?\u003c\/strong\u003e\u003cbr\u003e\nA: Our collimating lenses are compatible with most mainstream fiber laser brands including Qilin, Hanwei, WSX, Raytools, Precitec, Reci, Max and more. If you are unsure about compatibility, please contact our sales team with your laser head model.\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 30px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  Also available: \u003ca href=\"https:\/\/www.linkmetalcnc.com\/products\/fiber-laser-focusing-lens-1064nm\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003eFiber Laser Focusing Lens\u003c\/a\u003e for complete laser head maintenance.\n\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 30px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  View our full range of \u003ca href=\"https:\/\/www.linkmetalcnc.com\/collections\/laser-cutting-accessories\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003elaser cutting accessories\u003c\/a\u003e including protective lenses, nozzles, ceramic rings and more.\n\u003c\/p\u003e","brand":"Link Metal CNC","offers":[{"title":"Suitable for handheld welding machines. \/ D16-F60-T5 For SUP Wei Ye 21T 23S 23T SW150 22C","offer_id":47962131529950,"sku":"LMCNC-COLLFOCUS-D16F60CT5-SUP","price":9.22,"currency_code":"USD","in_stock":true},{"title":"Suitable for handheld welding machines. \/ D20-F50-T3.5 For Qilin\/Hanwei","offer_id":47962131562718,"sku":"LMCNC-COLLFOCUS-D20F50CT3.5-QILINHANWEI","price":9.22,"currency_code":"USD","in_stock":true},{"title":"Suitable for handheld welding machines. \/ D20-F50-T4.5 For Handheld Welding Machine","offer_id":47962131595486,"sku":"LMCNC-COLLFOCUS-D20F50CT4.5","price":9.22,"currency_code":"USD","in_stock":true},{"title":"Suitable for handheld welding machines. \/ D20-F60-T4.5For Handheld Welding Machine","offer_id":47962131628254,"sku":"LMCNC-COLLFOCUS-D20F60CT4.5","price":9.22,"currency_code":"USD","in_stock":true},{"title":"Suitable for handheld welding machines. \/ D20-F60-T5 For Handheld Welding Machine","offer_id":47962131661022,"sku":"LMCNC-COLLFOCUS-D16F60CT5-SUP","price":9.22,"currency_code":"USD","in_stock":true},{"title":"Suitable for handheld welding machines. \/ D20-F70-T3.5 For Handheld Welding Machine","offer_id":47962131693790,"sku":"LMCNC-COLLFOCUS-D20F70CT3.5","price":20.09,"currency_code":"USD","in_stock":true},{"title":"Suitable for handheld welding machines. \/ D20-F100-T4.5 For Handheld Welding Machine","offer_id":47962131726558,"sku":"LMCNC-COLLFOCUS-D20F100CT4.5","price":9.22,"currency_code":"USD","in_stock":true},{"title":"Suitable for handheld welding machines. \/ D20-F150-T3 For Qilin\/HANWEI\/WSX","offer_id":47962131824862,"sku":"LMCNC-COLLFOCUS-D20F150CT3-QILINWSX","price":10.63,"currency_code":"USD","in_stock":true},{"title":"Suitable for handheld welding machines. \/ D30-F100-T4.5 For Handheld Welding Machine","offer_id":47962132119774,"sku":"LMCNC-COLLFOCUS-D30F100CT4.5","price":13.0,"currency_code":"USD","in_stock":true},{"title":"Suitable for handheld welding machines. \/ Other models please contact us","offer_id":48017457152222,"sku":null,"price":9.22,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/8858\/5950\/files\/link-metal-cnc-collimating-focusing-lens-01.jpg?v=1772981055"},{"product_id":"fiber-laser-focusing-lens-1064nm","title":"Link Metal CNC Focusing Lens for Fiber Laser Welding \u0026 Cutting Machines","description":"\u003ch2\u003eFocusing Lens for Fiber Laser Welding \u0026amp; Cutting Machines 1064nm\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eProfessional high-precision optical focusing lenses specially designed for mainstream fiber laser cutting machines, welding machines and handheld laser welding torches.\u003c\/strong\u003e As the core optical component of the laser head, it concentrates the parallel laser beam into a tiny high-energy focal spot, achieving high-precision, high-quality cutting and welding effects.\u003c\/p\u003e\n\n\u003cp\u003eMade from premium fused silica material with advanced anti-reflection coating, these focusing lenses provide stable performance, excellent anti-spatter properties and long service life. Available in both single piece and composite 2-piece structures to meet different equipment and processing requirements.\u003c\/p\u003e\n\n\u003ch3\u003eKey Advantages of Our Fiber Laser Focusing Lenses\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1064nm Standard Wavelength\u003c\/strong\u003e: Optimized exclusively for 1064nm fiber laser radiation. High light transmittance ≥99.5%, ensuring stable laser output and excellent processing effect.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003ePremium Fused Silica Material\u003c\/strong\u003e: Crafted from high-grade fused silica quartz. Features high temperature resistance, superior scratch resistance and excellent anti-spatter performance.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eTwo Optional Structures\u003c\/strong\u003e: Available in single piece and composite 2-piece designs. Composite lenses provide better thermal stability and higher damage threshold for high-power applications.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003ePrecision Machined Dimensions\u003c\/strong\u003e: High-precision CNC machining with strict size tolerance control. Perfect fit with most original laser heads, no additional debugging required after replacement.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Anti-Reflection Coating\u003c\/strong\u003e: Double-sided hard anti-reflection coating effectively reduces light loss and improves laser energy utilization rate by up to 15%.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility\u003c\/strong\u003e: Compatible with most mainstream fiber laser brands including Precitec, Raytools, WSX, Qilin, Hanwei and more.\u003c\/li\u003e\n  \n  \u003cli\u003e\n\u003cstrong\u003e40+ Standard Specifications\u003c\/strong\u003e: Complete range of diameters, focal lengths and structures available, covering all common laser cutting heads and handheld welding torches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Equipment \u0026amp; Available Models\u003c\/h3\u003e\n\n\u003ch4\u003eCompatible Equipment\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAll Handheld Fiber Laser Welding Torches\u003c\/li\u003e\n  \u003cli\u003eAll Mainstream Fiber Laser Welding Machines\u003c\/li\u003e\n  \u003cli\u003eAll Fiber Laser Cutting Machines\u003c\/li\u003e\n  \u003cli\u003eAll 1064nm Fiber Laser Processing Equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eAvailable Focusing Lens Models\u003c\/h4\u003e\n\n\u003ch5\u003eSingle Piece Structure\u003c\/h5\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20 F120 CT3.5 ET2.6\u003c\/strong\u003e: 20mm diameter, 120mm focal length. For handheld welding machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20 F125 T4\u003c\/strong\u003e: 20mm diameter, 125mm focal length. For handheld welding machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20 F150 CT4.5 ET3.8\u003c\/strong\u003e: 20mm diameter, 150mm focal length. \u003cstrong\u003eMost popular for handheld welding\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20 F200 CT4.5 ET3.9\u003c\/strong\u003e: 20mm diameter, 200mm focal length. For handheld welding machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20 F250 CT4.5 ET4.1\u003c\/strong\u003e: 20mm diameter, 250mm focal length. For handheld welding machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20 F300 CT4.5 ET4.1\u003c\/strong\u003e: 20mm diameter, 300mm focal length. For handheld welding machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20 F400 CT4 ET3.7\u003c\/strong\u003e: 20mm diameter, 400mm focal length. For handheld welding machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20 F500 CT3.3 ET3.1\u003c\/strong\u003e: 20mm diameter, 500mm focal length. For handheld welding machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD20 F800 CT3.5\u003c\/strong\u003e: 20mm diameter, 800mm focal length. For Chaoqiang Weiye laser cleaning machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25.4 F75\u003c\/strong\u003e: 25.4mm diameter, 75mm focal length.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25.4 F125\u003c\/strong\u003e: 25.4mm diameter, 125mm focal length.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD25.4 F150\u003c\/strong\u003e: 25.4mm diameter, 150mm focal length.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD28 F100\u003c\/strong\u003e: 28mm diameter, 100mm focal length.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD28 F125\u003c\/strong\u003e: 28mm diameter, 125mm focal length.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD28 F150\u003c\/strong\u003e: 28mm diameter, 150mm focal length.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30 F80 T4.5\u003c\/strong\u003e: 30mm diameter, 80mm focal length. For handheld welding machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30 F120 CT4.5 ET2.38\u003c\/strong\u003e: 30mm diameter, 120mm focal length. For handheld welding machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30 F150 CT4.5 ET2.8\u003c\/strong\u003e: 30mm diameter, 150mm focal length. For handheld welding machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30 F200 CT4.5 ET3.24\u003c\/strong\u003e: 30mm diameter, 200mm focal length. For handheld welding machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30 F250 CT4.5 ET3.5\u003c\/strong\u003e: 30mm diameter, 250mm focal length. For handheld welding machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30 F300 CT4\u003c\/strong\u003e: 30mm diameter, 300mm focal length. For handheld welding machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30 F300 CT4.5 ET3.65\u003c\/strong\u003e: 30mm diameter, 300mm focal length. For handheld welding machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30 F400 CT4.5 ET3.88\u003c\/strong\u003e: 30mm diameter, 400mm focal length. For handheld welding machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30 F500 CT3.6 ET3.09\u003c\/strong\u003e: 30mm diameter, 500mm focal length. For handheld welding machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30 F600 CT3.6 ET3.17\u003c\/strong\u003e: 30mm diameter, 600mm focal length. For handheld welding machines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD38.1 F100\u003c\/strong\u003e: 38.1mm diameter, 100mm focal length.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eComposite 2-Piece Structure\u003c\/h5\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD28 F75\u003c\/strong\u003e: 28mm diameter, 75mm focal length. Composite 2-piece design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD28 F100\u003c\/strong\u003e: 28mm diameter, 100mm focal length. Composite 2-piece design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD28 F125\u003c\/strong\u003e: 28mm diameter, 125mm focal length. Composite 2-piece design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD28 F150\u003c\/strong\u003e: 28mm diameter, 150mm focal length. Composite 2-piece design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30 F75\u003c\/strong\u003e: 30mm diameter, 75mm focal length. Composite 2-piece design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30 F100\u003c\/strong\u003e: 30mm diameter, 100mm focal length. Composite 2-piece design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30 F125\u003c\/strong\u003e: 30mm diameter, 125mm focal length. Composite 2-piece design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30 F150\u003c\/strong\u003e: 30mm diameter, 150mm focal length. Composite 2-piece design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30 F155\u003c\/strong\u003e: 30mm diameter, 155mm focal length. Composite 2-piece design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD30 F200\u003c\/strong\u003e: 30mm diameter, 200mm focal length. Composite 2-piece design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD37 F100 (Precitec)\u003c\/strong\u003e: 37mm diameter, 100mm focal length. For Precitec laser heads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD37 F100 (Raytools\/WSX)\u003c\/strong\u003e: 37mm diameter, 100mm focal length. For Raytools\/WSX laser heads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD37 F125\u003c\/strong\u003e: 37mm diameter, 125mm focal length. Composite 2-piece design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD37 F150 (Precitec)\u003c\/strong\u003e: 37mm diameter, 150mm focal length. For Precitec laser heads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD37 F150 (Raytools\/WSX)\u003c\/strong\u003e: 37mm diameter, 150mm focal length. For Raytools\/WSX laser heads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD37 F200 (Precitec)\u003c\/strong\u003e: 37mm diameter, 200mm focal length. For Precitec laser heads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD37 F200 (Raytools\/WSX)\u003c\/strong\u003e: 37mm diameter, 200mm focal length. For Raytools\/WSX laser heads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD38.1 F200 (Raytools)\u003c\/strong\u003e: 38.1mm diameter, 200mm focal length. For Raytools laser heads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCustom Specifications Available\u003c\/strong\u003e: For non-standard sizes, special coatings or custom focal lengths, please \u003ca href=\"https:\/\/www.linkmetalcnc.com\/pages\/contact\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003econtact our sales team\u003c\/a\u003e directly for personalized solutions.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dee2e6; padding: 12px; text-align: left; font-weight: 600;\"\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eBrand\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eLink Metal CNC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eProduct Type\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eFiber Laser Focusing Lens\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eMaterial\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003ePremium Fused Silica Quartz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eWorking Wavelength\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e1064nm (Fiber Laser)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eStructure\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSingle Piece \/ Composite 2-Piece\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCoating\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eDouble-Sided Hard Anti-Reflection Coating @1064nm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eTransmittance\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e≥99.5% @1064nm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Quality\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e60\/40 Scratch-Dig (MIL-PRF-13830B)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSurface Flatness\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eλ\/4 @633nm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAvailable Diameters\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e20mm, 25.4mm, 28mm, 30mm, 37mm, 38.1mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eAvailable Focal Lengths\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e75mm - 800mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplicable Power\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003e500W - 12000W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCompatibility\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003ePrecitec, Raytools, WSX, Qilin, Hanwei and more\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eCore Function\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eFocus Parallel Laser Beam to High-Energy Spot\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eApplication Scenario\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dee2e6; padding: 12px;\"\u003eSheet Metal Welding, Hardware Processing, Laser Cutting\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Selected Fiber Laser Focusing Lens\u003c\/li\u003e\n  \u003cli\u003e1 x Specialized Anti-Static Protective Packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eQuality Assurance\u003c\/h3\u003e\n\u003cp\u003eAll fiber laser focusing lenses from Link Metal CNC undergo strict quality testing before delivery, including transmittance test, surface quality inspection, dimensional accuracy verification and focal length measurement.\u003c\/p\u003e\n\n\u003cp\u003eWe maintain strict ISO 9001 quality control standards to ensure stable and reliable product performance. All our products come with professional pre-sales consultation and comprehensive after-sales support.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between single piece and composite 2-piece focusing lenses?\u003c\/strong\u003e\u003cbr\u003e\nA: Single piece lenses are simpler in structure and more cost-effective, suitable for low to medium power applications (\u0026lt;3000W). Composite 2-piece lenses consist of two optical elements cemented together, providing better thermal stability, higher damage threshold and superior optical performance. They are recommended for high-power applications (\u0026gt;3000W) and demanding production environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I choose the correct focusing lens for my laser head?\u003c\/strong\u003e\u003cbr\u003e\nA: You need to match the exact diameter, focal length, center thickness, edge thickness and structure type of your original lens. The easiest way is to check the part number on your old lens or refer to your laser head manual. You can also contact our sales team with your laser head model for assistance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How does focal length affect laser processing?\u003c\/strong\u003e\u003cbr\u003e\nA: Shorter focal lengths produce a smaller focal spot and higher power density, ideal for thin material cutting and precision welding. Longer focal lengths provide a deeper depth of field, better for cutting thicker materials and welding larger joints. Always match the focal length to your specific application requirements.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the focusing lens?\u003c\/strong\u003e\u003cbr\u003e\nA: Under normal operating conditions, a focusing lens should last 2-4 months. However, it should be replaced immediately if you notice any film burning, scratches, spatter damage or if welding\/cutting quality deteriorates. Regular cleaning and proper maintenance can extend its service life.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I clean the focusing lens?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, you can clean slightly contaminated lenses using proper techniques. Always wear clean gloves and use a blower ball first to remove loose dust. Then gently wipe with a lint-free microfiber cloth and lens cleaning fluid. Never use regular paper towels or tissues as they will scratch the coating.\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 30px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  Also available: \u003ca href=\"https:\/\/www.linkmetalcnc.com\/products\/fiber-laser-collimating-lens-1064nm\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003eFiber Laser Collimating Lenses\u003c\/a\u003e for complete laser head maintenance.\n\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 15px; padding: 15px; background-color: #e3f2fd; border-radius: 4px;\"\u003e\n  View our full range of \u003ca href=\"https:\/\/www.linkmetalcnc.com\/collections\/laser-cutting-accessories\" style=\"color: #1976d2 !important; text-decoration: none; font-weight: 500 !important;\"\u003elaser cutting accessories\u003c\/a\u003e including protective lenses, nozzles, ceramic rings and more.\n\u003c\/p\u003e","brand":"Link Metal CNC","offers":[{"title":"Single Piece \/ D20 F120 T3.5 For Handheld Welding Machine","offer_id":48299286298846,"sku":"LMCNC-FOCUS-LENS-D20F120T3.5","price":9.22,"currency_code":"USD","in_stock":true},{"title":"Single Piece \/ D20 F125 T4 For Handheld Welding Machine","offer_id":48299286331614,"sku":"LMCNC-FOCUS-LENS-D20F125T4","price":20.09,"currency_code":"USD","in_stock":true},{"title":"Single Piece \/ D20 F150 T4.5 For Handheld Welding Machine","offer_id":48299286364382,"sku":"LMCNC-FOCUS-LENS-D20F150T4.5","price":9.22,"currency_code":"USD","in_stock":true},{"title":"Single Piece \/ D20 F200 T4.5  For Handheld Welding Machine","offer_id":48299286397150,"sku":"LMCNC-FOCUS-LENS-D20F200T4.5","price":9.22,"currency_code":"USD","in_stock":true},{"title":"Single Piece \/ D20 F250 T4.5  For Handheld Welding Machine","offer_id":48299286429918,"sku":"LMCNC-FOCUS-LENS-D20F250T4.5","price":9.22,"currency_code":"USD","in_stock":true},{"title":"Single Piece \/ D20 F300 T4.5  For Handheld Welding 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