{"product_id":"1-25-inch-telescope-light-pollution-filter","title":"1.25 Inch Telescope Light Pollution Filter","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e\n  body {\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n    line-height: 1.6;\n    color: #222;\n    max-width: 800px;\n    margin: 20px auto;\n    padding: 0 20px;\n  }\n  h1 {\n    font-size: 1.5rem;\n    border-bottom: 2px solid #333;\n    padding-bottom: 4px;\n    margin-top: 24px;\n    margin-bottom: 12px;\n  }\n  h2 {\n    font-size: 1.2rem;\n    margin-top: 18px;\n    margin-bottom: 8px;\n  }\n  p {\n    margin-bottom: 12px;\n  }\n  ul {\n    margin-top: 4px;\n    margin-bottom: 16px;\n    padding-left: 20px;\n  }\n  li {\n    margin-bottom: 4px;\n  }\n  hr {\n    border: none;\n    border-top: 1px solid #ccc;\n    margin: 24px 0;\n  }\n  .valuation-list {\n    list-style-type: square;\n  }\n\u003c\/style\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eAn astronomical light pollution filter designed to screw directly into standard 1.25-inch telescope eyepieces or camera adapters. Engineered to selectively block common wavelengths of artificial urban light—such as mercury and sodium vapor lamps—while enhancing contrast for deep-sky nebulae and galaxies.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Photographs showing the filter being held are provided for reference only to demonstrate glass coatings and transparency.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCondition\u003c\/h2\u003e\n\u003cp\u003eOverall Condition: Near Mint\u003c\/p\u003e\n\u003cp\u003eCosmetically in near mint pre-owned condition with clean threaded metal cell housing, crisp engraved lettering, and pristine optical glass coatings.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eIncluded\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1.25-Inch Telescope Light Pollution Filter\u003c\/li\u003e\n\u003cli\u003eProtective Storage Case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBroadband light pollution reduction coating suppressing unwanted artificial skyglow\u003c\/li\u003e\n\u003cli\u003eImproves visual and photographic contrast when observing deep-sky objects from suburban or light-polluted locations\u003c\/li\u003e\n\u003cli\u003eStandard 1.25-inch filter thread compatible with most astronomical eyepieces and camera T-adapters\u003c\/li\u003e\n\u003cli\u003ePrecision metal cell housing with secure, clean filter threads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eCollector's Notes\u003c\/h2\u003e\n\u003cp\u003eA light pollution filter is an indispensable accessory for urban and suburban astronomers, allowing for much clearer views and deeper astrophotography exposures by darkening the background night sky.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKeywords\u003c\/h2\u003e\n\u003cp\u003eTelescope Light Pollution Filter, 1.25 inch Astronomy Filter, Skyglow Filter, Deep Sky Filter, Urban Astronomy Accessory\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Hasselblad","offers":[{"title":"Default Title","offer_id":56567203103062,"sku":null,"price":8.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0875\/5213\/1414\/files\/IMGP6214_bc38ad7d-caab-421f-98a3-3641eb510531.jpg?v=1794301236","url":"https:\/\/colinscameras.co.uk\/products\/1-25-inch-telescope-light-pollution-filter","provider":"Colins Cameras","version":"1.0","type":"link"}