{"product_id":"photosphere-7-5nm-1-25-e2-80-b3-filter-e-series","title":"Photosphere 7.5nm 1.25″ Filter E-series","description":"\u003cstrong data-spm-anchor-id=\"2013.1.0.i1.44c7454dwNdx9O\"\u003e1.25″ Photosphere 7.5nm filter（Photosphere enhanced filter）\u003c\/strong\u003e\r\n\r\nPhotosphere filter is an assistant filter, \u003cstrong\u003etelescope must use baader film or Herschel wedge for adequate reduction of sun light,\u003c\/strong\u003e then you can use this filter for imaging.\r\n\r\nPhotosphere filter is a narrowband filter, CWL is 540nm, bandwidth 7.5nm.\r\n\u003cp class=\"tgt\" data-section=\"0\"\u003e\u003cspan class=\"tgt\" data-section=\"0\" data-sentence=\"0\" data-group=\"0-0\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e 1.25 inch, thread M28.5*0.6\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"2\"\u003e\u003cspan class=\"tgt\" data-section=\"2\" data-sentence=\"0\" data-group=\"2-0\"\u003e\u003cstrong\u003eFrame thickness:\u003c\/strong\u003e body 5mm+ thread 2.5mm, a total of 7.5mm\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"4\"\u003e\u003cspan class=\"tgt\" data-section=\"4\" data-sentence=\"0\" data-group=\"4-0\"\u003e\u003cstrong\u003eThickness of filter lens:\u003c\/strong\u003e 2.5mm\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp data-section=\"4\"\u003e\u003cstrong\u003eBandwidth:\u003c\/strong\u003e 7.5nm\u003c\/p\u003e\r\n\u003cp data-section=\"4\"\u003e\u003cstrong\u003eCWL (center wavelength):\u003c\/strong\u003e 540nm\u003c\/p\u003e\r\n\u003cp data-section=\"4\"\u003e\u003cstrong\u003ePV:\u003c\/strong\u003e 1\/4 lambda\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"6\"\u003e\u003cspan class=\"tgt\" data-section=\"6\" data-sentence=\"0\" data-group=\"6-0\"\u003e\u003cstrong\u003eTransmittance:\u003c\/strong\u003e ≈97%\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp class=\"tgt\" data-section=\"8\"\u003e\u003cspan class=\"tgt\" data-section=\"8\" data-sentence=\"0\" data-group=\"8-0\"\u003e\u003cstrong\u003eBlocking depth:\u003c\/strong\u003e OD4\u003c\/span\u003e\u003c\/p\u003e","brand":"Astro Hutech","offers":[{"title":"Default Title","offer_id":49343947997490,"sku":"PS125E","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/6995\/5122\/files\/Untitled-2_c7231150-c066-4d08-bb62-f44fe19a07fb.jpg?v=1727244885","url":"https:\/\/a7ead1-f1.myshopify.com\/products\/photosphere-7-5nm-1-25-e2-80-b3-filter-e-series","provider":"Astro Hutech","version":"1.0","type":"link"}