{"product_id":"svbony-telescope-filter-2-inches-cls-filter-city-light-pollution-reduction-filter-broadband-filter-suitable-for-deep-sky-visual-astronomical-photography-2inch","title":"SVBONY Telescope Filter 2 inches CLS Filter City Light Pollution Reduction Filter Broadband Filter Suitable for Deep Sky Visual Astronomical Photography 2inch","description":"\u003ch3\u003eSVBONY Telescope Filter 2 inches CLS Filter City Light Pollution Reduction Filter Broadband Filter Suitable for Deep Sky Visual Astronomical Photography\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n  \u003cul class=\"a\"\u003e\n         \u003cli\u003eEvaporation with 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\u003c\/li\u003e\n         \u003cli\u003ePlanetary rotation system offers precision and homogeneity of coatings ensuring high value on transmission of pass band and Optical density of off-band\u003c\/li\u003e\n         \u003cli\u003e90% transmission of main nebula emission lines;such as Ha 656nm;OIII 496nm;500nm;SII672nm and H-beta 486nm\u003c\/li\u003e\n         \u003cli\u003e0.1% transmission of off-band;specifically the major emission lines of artificial light pollution;such as Na 589nm;Hg 435nmand 578nm\u003c\/li\u003e\n         \u003cli\u003eSuitable for color CCD cameras and unmodified DSLR Urban optical filter can effectively suppress urban harmful light and improve the contrast of shooting target\u003c\/li\u003e\n  \u003c\/ul\u003e","brand":"SVBONY","offers":[{"title":"Default Title","offer_id":51509522399392,"sku":"B079BWDRFC","price":259.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0418\/7134\/3776\/files\/B079BWDRFC.jpg?v=1724714964","url":"https:\/\/dingoship.com.au\/products\/svbony-telescope-filter-2-inches-cls-filter-city-light-pollution-reduction-filter-broadband-filter-suitable-for-deep-sky-visual-astronomical-photography-2inch","provider":"DingoShip AU","version":"1.0","type":"link"}