{"product_id":"omtech-18mm-cvd-znse-focal-focus-lens-for-laser-engraver-cutter","title":"OMTech 18mm CVD ZnSe Focal Focus Lens for Laser Engraver Cutter","description":"\u003cstyle\u003e\n.iron-theme{--black:#0b0b0b;--gray:#6b7280;--red:#c1121f;--red2:#e11d2e;--border:#e5e7eb;--soft:#f8fafc;font-family:Arial,Helvetica,sans-serif;color:var(--black);max-width:1100px;margin:0 auto;line-height:1.7;}\n.shell{border:1px solid var(--border);border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 10px 28px rgba(0,0,0,.08);}\n.top{padding:24px;} .kicker{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--gray);margin:0 0 8px;}\n.sub{margin:12px 0 0;font-size:15px;max-width:100ch;}\n.stripe{height:8px;background:linear-gradient(90deg,var(--red) 0%,var(--red) 70%,var(--red2) 100%);}\n.content{padding:24px;background:var(--soft);}\n.card{border:1px solid var(--border);border-radius:16px;background:#fff;padding:20px;margin:18px 0;box-shadow:0 8px 22px rgba(0,0,0,.06);}\nh2{margin:0 0 12px;font-size:19px;font-weight:900;text-transform:uppercase;display:flex;align-items:center;gap:10px;}\nh2:before{content:\"\";width:10px;height:10px;background:var(--red);border-radius:2px;}\nul{margin:0;padding-left:20px;} ul li{margin:8px 0;}\ntable{width:100%;border-collapse:collapse;font-size:14px;}\nth, td{border:1px solid var(--border);padding:10px;text-align:left;}\nth{background:#f3f4f6;font-size:12px;text-transform:uppercase;font-weight:900;}\n.callout{border:1px dashed rgba(193,18,31,.5);background:rgba(193,18,31,.06);border-radius:12px;padding:14px;font-size:14px;margin-top:12px;}\n\u003c\/style\u003e\n\u003csection class=\"iron-theme\" aria-label=\"OMTech 18mm CVD ZnSe Focal Focus Lens for Laser Engraver Cutter\"\u003e\n\u003cdiv class=\"shell\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cp class=\"kicker\"\u003eOMTech • Focus Lenses • 5 configurations\u003c\/p\u003e\n\u003ch2\u003eOMTech 18mm CVD ZnSe Focal Focus Lens for Laser Engraver Cutter\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe \u003cstrong\u003eOMTech 18mm CVD ZnSe Focal Focus Lens for Laser Engraver Cutter\u003c\/strong\u003e is available in 5 configurations. Choose your focal length above; each option is listed below with its own model number and specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stripe\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eAvailable Configurations\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003cth\u003eModel \/ SKU\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.5 inch\u003c\/td\u003e\n\u003ctd\u003eLEL-I018-15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2 inch\u003c\/td\u003e\n\u003ctd\u003eLEL-I018-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2.5 inch\u003c\/td\u003e\n\u003ctd\u003eLEL-I018-25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3 inch\u003c\/td\u003e\n\u003ctd\u003eLEL-I018-30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4 inch\u003c\/td\u003e\n\u003ctd\u003eLEL-I018-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003e1.5 inch (LEL-I018-15)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e18 mm diameter CVD ZnSe lens\u003c\/li\u003e\n\u003cli\u003eFor CO2 laser engravers from 50W to 100W\u003c\/li\u003e\n\u003cli\u003eAvailable in 1.5, 2, 2.5, 3 and 4 inch focal lengths (this SKU: 1.5 in.)\u003c\/li\u003e\n\u003cli\u003eImage set indicates 99.5% transmittance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eOMTech\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel \/ SKU\u003c\/th\u003e\n\u003ctd\u003eLEL-I018-15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLens Diameter\u003c\/th\u003e\n\u003ctd\u003e18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLens Material\u003c\/th\u003e\n\u003ctd\u003eCVD zinc selenide (ZnSe)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd\u003e1.5 in. (38.1 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length Options\u003c\/th\u003e\n\u003ctd\u003e1.5 in. (38.1 mm), 2 in. (50.8 mm), 2.5 in. (63.5 mm), 3 in. (76.2 mm), 4 in. (101.6 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Laser Power\u003c\/th\u003e\n\u003ctd\u003e50W to 100W CO2 laser engravers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003e2 inch (LEL-I018-20)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCVD ZnSe optic, 18 mm diameter\u003c\/li\u003e\n\u003cli\u003eThis variant has a 2 in. (50.8 mm) focal length\u003c\/li\u003e\n\u003cli\u003eListed as compatible with 50W-100W CO2 laser engravers and cutters\u003c\/li\u003e\n\u003cli\u003eDescribed as durable; ships within 15 days with free shipping and 2-year warranty badge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eOMTech\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel \/ SKU\u003c\/th\u003e\n\u003ctd\u003eLEL-I018-20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCVD zinc selenide (ZnSe)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd\u003e2 in (50.8 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Laser Power\u003c\/th\u003e\n\u003ctd\u003e50 W - 100 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Focal Lengths\u003c\/th\u003e\n\u003ctd\u003e1.5, 2, 2.5, 3, 4 in (38.1, 50.8, 63.5, 76.2, 101.6 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003e2.5 inch (LEL-I018-25)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e18 mm diameter CVD zinc selenide lens\u003c\/li\u003e\n\u003cli\u003eThis variant has a 2.5 in. (63.5 mm) focal length\u003c\/li\u003e\n\u003cli\u003ePage says it fits 50W-100W CO2 laser engravers and cutters\u003c\/li\u003e\n\u003cli\u003eShips within 15 days; 2-year warranty badge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eOMTech\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel \/ SKU\u003c\/th\u003e\n\u003ctd\u003eLEL-I018-25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLens Diameter\u003c\/th\u003e\n\u003ctd\u003e18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCVD ZnSe (zinc selenide)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd\u003e2.5 in. (63.5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLaser Power Compatibility\u003c\/th\u003e\n\u003ctd\u003e50W-100W CO2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003e3 inch (LEL-I018-30)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e18 mm diameter CVD ZnSe construction\u003c\/li\u003e\n\u003cli\u003eCompatible with 50W-100W CO2 laser engravers\u003c\/li\u003e\n\u003cli\u003e99.5% transmittance (from a gallery image title)\u003c\/li\u003e\n\u003cli\u003eAvailable in five focal lengths from 1.5 to 4 in\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eOMTech\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel \/ SKU\u003c\/th\u003e\n\u003ctd\u003eLEL-I018-30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLens Diameter\u003c\/th\u003e\n\u003ctd\u003e18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCVD zinc selenide (ZnSe)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd\u003e3 in (76.2 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLaser Power Compatibility\u003c\/th\u003e\n\u003ctd\u003e50 W - 100 W CO2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTransmittance\u003c\/th\u003e\n\u003ctd\u003e99.5% (per gallery image title)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003e4 inch (LEL-I018-40)\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCVD ZnSe material, described as highly durable\u003c\/li\u003e\n\u003cli\u003e18 mm diameter\u003c\/li\u003e\n\u003cli\u003eFor 50W to 100W CO2 laser machines\u003c\/li\u003e\n\u003cli\u003eAvailable in 1.5, 2, 2.5, 3 and 4 in. focal lengths\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eOMTech\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel \/ SKU\u003c\/th\u003e\n\u003ctd\u003eLEL-I018-40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLens Diameter\u003c\/th\u003e\n\u003ctd\u003e18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCVD zinc selenide (ZnSe)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFocal Length\u003c\/th\u003e\n\u003ctd\u003e4 in. (101.6 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Laser Power\u003c\/th\u003e\n\u003ctd\u003e50 W to 100 W CO2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"OMTech","offers":[{"title":"1.5 inch","offer_id":67679771033965,"sku":"LEL-I018-15","price":27.99,"currency_code":"USD","in_stock":true},{"title":"2 inch","offer_id":67679771066733,"sku":"LEL-I018-20","price":27.99,"currency_code":"USD","in_stock":true},{"title":"2.5 inch","offer_id":67679771099501,"sku":"LEL-I018-25","price":27.99,"currency_code":"USD","in_stock":true},{"title":"3 inch","offer_id":67679771132269,"sku":"LEL-I018-30","price":27.99,"currency_code":"USD","in_stock":true},{"title":"4 inch","offer_id":67679771165037,"sku":"LEL-I018-40","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/6996\/6445\/files\/omtech-lens18-1.jpg?v=1792003740","url":"https:\/\/ironlinetools.com\/products\/omtech-18mm-cvd-znse-focal-focus-lens-for-laser-engraver-cutter","provider":"Iron Line Tools","version":"1.0","type":"link"}