{"product_id":"optolong-clear-sky-filter-screw-on-lens","title":"Optolong Clear Sky Filter Screw on Lens","description":"\u003ch2\u003eOptolong Clear Sky Filter Screw on Lens\u003c\/h2\u003e\n1. Optolong Clear Sky Filter Introduction\n\u003cul\u003e\n \t\u003cli\u003eA screw on filter with the easiest installation way like UV filter.\u003c\/li\u003e\n \t\u003cli\u003eSupress light pollution to make the night sky clearly.\u003c\/li\u003e\n \t\u003cli\u003eEnhance the contrast of images.\u003c\/li\u003e\n \t\u003cli\u003eTo bring up the colors, fascinating experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n2. Coating Technology\n\n·Multi-layers anti-reflection coating\n\n·Non-cementing optical substrate coating\n\n·Optolong L-Pro filter adopts precision coating based on Ion-assisted deposition coating technology for durability and resistance to scratching, as well as stability on CWL(central wavelength) no deviation affected by temperature change.\n\n·Planetary rotation system offers precision and homogeneity of coatings ensuring high value on transmission of pass-band and Optical density of off-band.","brand":"Optolong","offers":[{"title":"M77 Mounted","offer_id":48411392508162,"sku":"ize1787937250710","price":110.18,"currency_code":"USD","in_stock":true},{"title":"M82 Mounted","offer_id":48411392540930,"sku":"ija1787937250711","price":157.63,"currency_code":"USD","in_stock":true},{"title":"Nikon Z Full Frame ILDC Clip-in","offer_id":48411392573698,"sku":"jxp1787937250712","price":101.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/3862\/0930\/files\/optolong-clear-sky-filter-screw-on-lens_1.png?v=1787937260","url":"https:\/\/welcomingwillow.shop\/products\/optolong-clear-sky-filter-screw-on-lens","provider":"My Store","version":"1.0","type":"link"}