{"product_id":"optolong-l-enhance-filter-triple-bandpass-for-light-pollution-imaging","title":"Optolong L-eNhance Filter – Triple-Bandpass for Light Pollution Imaging","description":"\u003ch1\u003eThe Optolong L-eNhance Filter - Triple-Bandpass for Light Pollution\u003c\/h1\u003e\n\n\u003cp\u003eDesigned to maxamise your imaging potential under light-polluted skies, the \u003cb\u003eOptolong L-eNhance Filter \u003c\/b\u003eis a triple-bandpass narrowband filter, ideal for DSLR, color CMOS, and CCD cameras. It isolates key nebula emission lines like H-alpha, H-beta, and OIII, with up to 90% transmission efficiency.\u003c\/p\u003e\n\n\u003ch2\u003eOptolong L-eNhance Filter Key Features\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLight Pollution Solution:\u003c\/strong\u003e Blocks unwanted light while allowing critical emission lines to pass, making it ideal for urban imaging.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDesigned for Color Cameras:\u003c\/strong\u003e Ideal for DSLR and color CMOS cameras, providing a practical and economical alternative to monochrome setups with multiple filters.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh Transmission:\u003c\/strong\u003e Allows up to 90% transmission of H-alpha, H-beta, and OIII nebula emission lines for crisp, clear images.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable border=\"1\"\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eSubstrate:\u003c\/td\u003e\n            \u003ctd\u003eB270\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eThickness:\u003c\/td\u003e\n            \u003ctd\u003e1.85mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eTpeak:\u003c\/td\u003e\n            \u003ctd\u003eT\u0026gt;90%\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eBlocking range:\u003c\/td\u003e\n            \u003ctd\u003e300-1000nm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eBlocking depth:\u003c\/td\u003e\n            \u003ctd\u003eLight pollution blocking \u0026gt;99%\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eSurface quality:\u003c\/td\u003e\n            \u003ctd\u003e60\/40\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eTransmitted Wavefront RMS:\u003c\/td\u003e\n            \u003ctd\u003eλ\/4\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eParallelism (arcsec):\u003c\/td\u003e\n            \u003ctd\u003e30s\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eAvailable Sizes\u003c\/h2\u003e\n\u003cp\u003eCurrently available in 1.25\" and 2\" mounted options. Other sizes will be listed when available.\u003c\/p\u003e\n\n\u003ch2\u003eSample Images\u003c\/h2\u003e\n\u003cp\u003eImaging target: Vela Supernova Remnant\u003cbr\u003e\nCamera: CentralDS Astro A7s (cooled)\u003cbr\u003e\nLens: Canon EF 300mm f\/4L (non-IS)\u003cbr\u003e\nFilter: Optolong L-eNhance\u003cbr\u003e\nISO: 6400\u003cbr\u003e\nExposure: 1min x 81 frames\u003cbr\u003e\nProcess: PI, PS CC\u003c\/p\u003e\n\n\u003ch2\u003eOrder Your Optolong L-eNhance Filter Today\u003c\/h2\u003e\n\u003cp\u003eElevate your astrophotography with the \u003cstrong\u003eOptolong L-eNhance Filter\u003c\/strong\u003e, the ideal solution for light-polluted skies. Order now at Dark Clear Skies and capture stunning nebula details with ease.\u003c\/p\u003e","brand":"Optolong","offers":[{"title":"1.25\"","offer_id":42296580735153,"sku":"OPT-L-eNh-1.25","price":116.0,"currency_code":"GBP","in_stock":true},{"title":"2\"","offer_id":42296580767921,"sku":"OPT-L-eNh-2","price":149.0,"currency_code":"GBP","in_stock":true},{"title":"EOS-C","offer_id":42296584667313,"sku":"OPT-L-eNh-EOS-C","price":175.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0523\/1650\/4241\/files\/optolong-l-enhance-filters-965906.webp?v=1718364490","url":"https:\/\/www.darkclearskies.co.uk\/products\/optolong-l-enhance-filter-triple-bandpass-for-light-pollution-imaging","provider":"Dark Clear Skies ","version":"1.0","type":"link"}