{"product_id":"pegasus-astro-2-mounted-photographic-filter-o3-7nm","title":"2\" mounted photographic filter - O3 7nm","description":"\u003cp style=\"line-height: 1;\"\u003eOIII-CCD 7nm filter is designed for nebula observation allowing 7nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII emission lines, and reducing the transmission of certain wavelengths of light, specifically those produced by artificial light including mercury vapor, and both high and low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. skyglow).\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable style=\"border-collapse: collapse; width: 100%;\" border=\"1\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 49.9508%;\"\u003e\n\u003ccol style=\"width: 49.9508%;\"\u003e\n\u003c\/colgroup\u003e\r\n\u003ctbody\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eSKU\u003c\/td\u003e\r\n\u003ctd\u003ePEG-FLTR-2M-O3\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eFilter Size\u003c\/td\u003e\r\n\u003ctd\u003e2 inch\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003ePolish\u003c\/td\u003e\r\n\u003ctd\u003e1\/4 wavefront, Parfocal\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eTransmission Range\u003c\/td\u003e\r\n\u003ctd\u003eTave\u0026gt;80% 500 nm, 7nm FWHM\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eCoatings\u003c\/td\u003e\r\n\u003ctd\u003eMultilayer Anti-reflection\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eType\u003c\/td\u003e\r\n\u003ctd\u003eNarrowband (7nm)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eShape\u003c\/td\u003e\r\n\u003ctd\u003eRound\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eThickness\u003c\/td\u003e\r\n\u003ctd\u003e5mm (filter) + 2.5mm (thread), glass thickness is 2mm\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eThread\u003c\/td\u003e\r\n\u003ctd\u003eM48, 0.75 Pitch\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e","brand":"Pegasus Astro","offers":[{"title":"Default Title","offer_id":46519389454535,"sku":"1-16-001-0059","price":273.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/9575\/6487\/files\/1-16-001-0059-01.png?v=1778204339","url":"https:\/\/snowflakeskies.com\/products\/pegasus-astro-2-mounted-photographic-filter-o3-7nm","provider":"Snowflake Skies","version":"1.0","type":"link"}