{"product_id":"optolong-uvir-cut-filter","title":"Optolong UV\/IR CUT filter","description":"\u003ch2\u003eOptolong UV\/IR CUT\u003c\/h2\u003e\n\u003cp data-mce-fragment=\"1\"\u003eOptolong UV\/IR Cut filter is designed for ultraviolet and infrared wavelength blocking to improve sharpness of the image as most of the optics are designed for the visible spectrum, because it’s very difficult to create a lens with the same focal point for the visible and IR spectrum.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eIt is used on a digital camera and the video, which do not have an IR protection filter toward an image sensor or were remodeled. This is important because unfiltered CCD and CMOS sensors are extremely susceptible to UV and IR rays just outside the visible spectrum that can have a very negative impact on image quality.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eMain Use and Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eSuitable for color CMOS and CCD cameras and modified DSLRs.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eUse with monochrome CCD for astrophotography.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAvailable to assist in focusing.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAct as an outstanding dust shield, which prevents the possibility of dust settling on the lens during long time exposure.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWARNING: The filters of Optolong are not designed for sun observation. DO NOT LOOK AT THE SUN WITH OPTOLONG FILTER. You would be BLIND if you fail to observe the warning.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/optolong.com\/uploads\/images\/20210621\/ae00cf1d3abbdeca0160763948615996.png?width=700\" width=\"540\" height=\"349\"\u003e\u003c\/p\u003e\n\u003cp\u003eHow to read the chart?\u003c\/p\u003e\n\u003cp\u003e▲The horizontal axis is the Wavelength in Nanometers(nm).\u003c\/p\u003e\n\u003cp\u003e▲The vertical axis is transmission in %.\u003c\/p\u003e\n\u003cp\u003e▲The RED line shows the transmission of the UV\/IR Cut filter.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"http:\/\/optolong.com\/uploads\/images\/20191111\/0ff2d7f395c427aa390ff53daf333cec.jpg?width=700\" alt=\"\" width=\"609\" height=\"100\"\u003e\u003c\/p\u003e\n\u003ch3\u003eIn The Box\u003c\/h3\u003e\n\u003cp\u003eFilter\u003c\/p\u003e\n\u003ch3\u003eManuals \u0026amp; Warranty\u003c\/h3\u003e\n\u003cp\u003eOptolong 3-Years Warranty\u003c\/p\u003e","brand":"Optolong","offers":[{"title":"1.25\"","offer_id":48411392999682,"sku":"zkv1787937263415","price":33.06,"currency_code":"USD","in_stock":true},{"title":"2\"","offer_id":48411393032450,"sku":"nim1787937263416","price":39.02,"currency_code":"USD","in_stock":true},{"title":"31mm","offer_id":48411393065218,"sku":"bvj1787937263417","price":35.51,"currency_code":"USD","in_stock":true},{"title":"36mm","offer_id":48411393097986,"sku":"lyi1787937263418","price":41.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/3862\/0930\/files\/optolong-uvir-cut-filter_1.png?v=1787937273","url":"https:\/\/welcomingwillow.shop\/products\/optolong-uvir-cut-filter","provider":"My Store","version":"1.0","type":"link"}