{"product_id":"pegasus-astro-2-mounted-photographic-filter-ha-7nm","title":"2\" mounted photographic filter - Ha 7nm","description":"\u003cp style=\"line-height: 1;\"\u003eThis narrowband filter has a 7nm bandwidth of light centered on a wavelength of 656nm through, 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). Better choice of narrowband H-alpha astrophotography filter for highest contrast and revealing subtle nebula details.\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-HA\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% 656 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":46519389257927,"sku":"1-16-001-0056","price":273.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/9575\/6487\/files\/1-16-001-0056-01.png?v=1778204286","url":"https:\/\/snowflakeskies.com\/products\/pegasus-astro-2-mounted-photographic-filter-ha-7nm","provider":"Snowflake Skies","version":"1.0","type":"link"}