{"product_id":"explore-scientific-nebula-filter-oxygen-iii-2-inch-6-5nm","title":"Explore Scientific Nebula Filter Oxygen III 2-inch 6.5nm","description":"\u003ch6\u003eFEATURES:\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eHigh quality\u003cspan\u003e \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eExplore Scientific\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eO-III filter\u003c\/li\u003e\n\u003cli\u003eLet only the oxygen emission lines \"through\"\u003c\/li\u003e\n\u003cli\u003eAbsorbs all other emission lines\u003c\/li\u003e\n\u003cli\u003eAbsorbs almost all of the artificial light\u003c\/li\u003e\n\u003cli\u003ePassband bandwidth: 6.5 nm\u003c\/li\u003e\n\u003cli\u003eNarrow-band design for difficult city conditions\u003c\/li\u003e\n\u003cli\u003eMore contrast and details for all urban observers and astrophotographers\u003c\/li\u003e\n\u003cli\u003eAn individual test report of this premium filter is included in the scope of delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eDESCRIPTION:\u003c\/h6\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe brightening of the night sky due to artificial lighting and atmospheric turbulence makes observing faint objects beyond the solar system challenging. However, the Explore Scientific O-III filter takes advantage of the emission lines of oxygen, filtering out all other colors and allowing for the visualization of previously invisible objects. With a narrow pass range of only 6.5 nm, this filter is essential for amateur visual astronomers and astrophotographers seeking to observe weakly glowing emission nebulae, even in difficult city conditions. Each filter is accompanied by an individual test report to ensure quality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003e\u003cspan\u003eCA Residents: \u003c\/span\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" aria-label=\"Prop 65 WARNING(S) - Opens in a new tab\" href=\"https:\/\/explorescientificusa.com\/pages\/prop65\" target=\"_blank\"\u003eProp 65 WARNING(S)\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":47815497220400,"sku":"310100","price":259.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/3113\/5280\/files\/310100_2_2000x2000_06d5864e-c8b0-44fc-a154-0317bb5184a8.jpg?v=1709855195","url":"https:\/\/b9549c-5.myshopify.com\/products\/explore-scientific-nebula-filter-oxygen-iii-2-inch-6-5nm","provider":"StellarOptix","version":"1.0","type":"link"}