{"product_id":"sightron-ir640-pro-ii-ir-pass-filter","title":"Sightron IR640 Pro II IR Pass Filter","description":"\u003ch1\u003eSightron IR640 Pro II IR Pass Filter \u003c\/h1\u003e\n\u003cp\u003eJapanese-made IR-pass filter.\u003c\/p\u003e\n\u003cp\u003eFully blocking below 640nm. \u003c\/p\u003e\n\u003cp\u003eSteep cut-off line \u0026amp; high transmission rate. \u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eGlass thickness\u003c\/b\u003e: 1.5mm\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eGlass type\u003c\/b\u003e: Fused Quartz\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e1.25″ mount size\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003e: UNF 1 1\/8″-48 (equivalent to 28.575mm\/P0.529)\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2″ mount size\u003c\/b\u003e: M48\/P0.75\u003c\/p\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cp\u003e-Sightron IR640 Pro II IR Pass Filter \u003c\/p\u003e\n\u003ch3\u003eWarranty \u0026amp; Manual\u003c\/h3\u003e\n\u003cp\u003eSightron Japan Warranty\u003c\/p\u003e","brand":"Sightron Japan","offers":[{"title":"1.25\" IR640 Filter (SJ-IR640-125)","offer_id":47554599157989,"sku":"SJ-IR640-125","price":97.0,"currency_code":"CAD","in_stock":true},{"title":"2\" IR640 Filter (SJ-IR640-48)","offer_id":47554599190757,"sku":"SJ-IR640-48","price":111.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/IR640-48a.jpg?v=1777043734","url":"https:\/\/istronomyplus.com\/products\/sightron-ir640-pro-ii-ir-pass-filter","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}