{"product_id":"new-edmund-optics-68-530-uncoated-silicon-crystal-protective-window-50mm-dia","title":"NEW Edmund Optics 68-530 Uncoated Silicon Crystal Protective Window 50mm Dia","description":"\u003ch1\u003eNEW Edmund Optics 68-530 Uncoated Silicon Crystal Protective Window 50mm Dia\u003c\/h1\u003e\u003cp\u003e\u003cspan class=\"citation-2311 citation-end-2311\"\u003e Brand: Edmund Optics\u003csource-footnote ng-version=\"0.0.0-PLACEHOLDER\" _nghost-ng-c3483152706=\"\"\u003e\u003csup _ngcontent-ng-c3483152706=\"\" class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c\/sup\u003e\u003c\/source-footnote\u003e\u003c\/span\u003e  Stock Number: 68530  Substrate Material: Optical Grade Silicon (Si)  Coating: Uncoated (None)  Window Diameter: 50.00 mm (+0.0\/-0.1 mm tolerance)  Window Thickness: 2.00 mm (+\/-0.10 mm tolerance)  Clear Aperture: 45.00 mm (90 percent of overall diameter)  Surface Quality: 60-40 Scratch-Dig  Surface Flatness: 1 Lambda over Clear Aperture  Parallelism: Less than 3 arcminutes\u003c\/p\u003e \u003cul\u003e\u003c\/ul\u003e\u003cdiv class=\"selroattributelist\"\u003e\u003c\/div\u003e\u003cdiv class=\"selroattributelist\"\u003eNOS, surplus\u003c\/div\u003e","brand":"Edmund Optics","offers":[{"title":"Default Title","offer_id":46108680159368,"sku":"F-120-RBJ-2-DB-1xTime","price":224.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1919\/1299\/files\/5271932_cf36e585-a8f7-4847-918b-6420cde7a4320.jpg?v=1781316806","url":"https:\/\/vbindustrialsupply.com\/products\/new-edmund-optics-68-530-uncoated-silicon-crystal-protective-window-50mm-dia","provider":"VB Industrial Supply","version":"1.0","type":"link"}