{"product_id":"copy-of-k40-honey-comb-bed-upgrade","title":"K40 ZnSe Focus Lens 50.8mm(2.0\") With or Without Alignment Tool","description":"\u003ch3\u003e\u003cspan color=\"#000000\" mce-data-marked=\"1\"\u003eThe 2\" focal length is the same as the factory lens.\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan color=\"#000000\" mce-data-marked=\"1\"\u003eThe 1.5\" focal length is for thicker items. It moves the focal point of your laser 1\/2\" higher off the bed.\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan color=\"#000000\" mce-data-marked=\"1\"\u003eBundles are only sold with the standard 2\" focal length lens.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eProtect your investment. American Photonics Easy clean lens mount makes daily cleaning a snap. Regularly cleaned lenses last longer and perform better.\u003c\/p\u003e\n\u003cp\u003eTraditional lens mounting where threaded tubes hold your your lens tight work great for glass optics, but are terrible for soft ZnSe. The delicate crystal structure of ZnSe should be suspended by gluing. All the best laser engraving machine manufactures know this. And now American Photonics has brought this technology to your Chinese designed machine.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eJust like high dollar machines (Trotec, Epilog) the lens is glued into a holder. Eliminating lens distortion from tightening it between two pieces of aluminum.\u003c\/b\u003e\u003c\/p\u003e\n\u003ch5\u003e\u003cb\u003eWhen combined with the K40 air Nozzle your lens will last longer, and finding the perfect focal distance is as easy as grabbing a quarter. \u003c\/b\u003e\u003c\/h5\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003ch5\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/aQMkBX2R4So\" height=\"315\" width=\"560\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" frameborder=\"0\"\u003e\u003c\/iframe\u003e\u003c\/h5\u003e","brand":"American Photonics","offers":[{"title":"ZnSe 1.5\" Focal Length Lens Nut","offer_id":40728492736573,"sku":"LNA-K40-38.1FL","price":42.0,"currency_code":"USD","in_stock":true},{"title":"ZnSe 2.0\" Focal Length Lens Nut","offer_id":40728492769341,"sku":"LNA-K40-50.8FL","price":42.0,"currency_code":"USD","in_stock":true},{"title":"ZnSe 2.0\" Lens Nut W\/Nozzle","offer_id":40728492802109,"sku":"LNA-K40-50.8FL-NOZ","price":50.0,"currency_code":"USD","in_stock":true},{"title":"ZnSe 2.0\" Lens Nut W\/Nozzle \u0026 W\/Alignment Tool","offer_id":40728492834877,"sku":"LNA-K40-50.8FL-NOZ-RLA","price":83.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1723\/4335\/files\/IMG-1671.jpg?v=1693075273","url":"https:\/\/shop.americanphotonics.com\/de\/products\/copy-of-k40-honey-comb-bed-upgrade","provider":"American Photonics","version":"1.0","type":"link"}