{"title":"Laser Lenses and Nozzles","description":"\u003cp\u003eFocusing optics and assist gas delivery components for laser cutting systems, optimizing cut quality and efficiency.\u003c\/p\u003e","products":[{"product_id":"laser-component-20mm-lens-2-inch-50-80mm","title":"CO2 Laser Lens 50.80mm (2 inch) Focal Length","description":"The lens is the final component that the laser beam will pass until it hits the surface of the workpiece. This lens has a focal length of 50.80mm or 2 inches. The diameter of the lens is 20mm. Make sure to get\/make the correct nozzle that has a 20mm seat for the lens.    The material of the lens is CVD ZnSe (Chemical Vapor Deposited Zinc Selenide) which has a low absorption rate and high transmittance level.      Specifications:  Design Wavelength: 10.6 um  Focal Length Tolerance: ±1%  Diameter Tolerance: +0.0 \/ -0.12 mm  Thickness Tolerance: ±0.2 mm  Surface Accuracy: \/2 per 1\" Dia@632.8nm  Surface Quality: 20-10 scratch and dig  Centration: \u0026lt;3' arc minutes  Clear aperture: \u0026gt;90%  Beveling: \u0026lt;0.2 x 45°  AR\/AR Coating: R\u0026lt;0.5% per surface @10.6um","brand":"BuildYourCNC","offers":[{"title":"CO2 Laser 50.80mm (2 inch) Focal Length Lens 20mm Diameter","offer_id":45875870040238,"sku":"592","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/76_20mmCO2Lens-300.jpg?v=1730084725"},{"product_id":"laser-component-nozzle-20mm-lens-mirror","title":"Laser Nozzle (Final Mirror and Lens Mount)","description":"A \u003ca href=\"http:\/\/www.buildyuurcnc.com\/item\/laser-component-20mm-lens\"\u003e20mm lens\u003c\/a\u003e and final mirror needs to be mounted in this part. The lens mounts in the tapered (conical) section of this part. Notice the component showing partly blue. This is the air assist tube inlet fitting.    \u003cp\u003eThe air is pumped into the conical section of the nozzle and creates a positive air pressure inside this area and doesn't let particles (smoke and dust) near the lens. The air assist will also mitigate flare-ups and if strong enough, can clean the area that is being marked by the laser. This product includes the Nozzle Tube Fitting for Air Assist.\u003c\/p\u003e ","brand":"BuildYourCNC","offers":[{"title":"Laser Head Mount for 20mm lens and 25mm final mirror","offer_id":45875870171310,"sku":"4057","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/laserNozzle-300.jpg?v=1730084736"},{"product_id":"laser-component-nozzle-tube-fitting-air-assist","title":"Laser Nozzle Tube Fitting For Air Assist","description":"\u003cp\u003eThis is the air assist tube inlet fitting used with our blackTooth Laser Cutter and is installed at the nozzle of the laser head (where the lens is located).    The air is pumped into the conical section of the nozzle and creates a positive air pressure inside this area and doesn't let particles (smoke and dust) near the lens. The air assist will also mitigate flare-ups and if strong enough, can clean the area that is being marked by the laser.\u003c\/p\u003e","brand":"BuildYourCNC","offers":[{"title":"Laser Nozzle Tube Fitting For Air Assist","offer_id":45875873579182,"sku":"818-B28","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/NozzleTubeFittingAirAssist_1-800.jpg?v=1730085235"}],"url":"https:\/\/buildyuurcnc.com\/collections\/laser-lenses-and-nozzles.oembed","provider":"BuildYourCNC","version":"1.0","type":"link"}