{"product_id":"dual-band-7nm-h-alpha-and-oiii-filter-for-osc-cameras","title":"Dual-Band 7nm H-alpha and OIII Filter for OSC Cameras","description":"\u003cp\u003e\u003cstrong\u003ePull sharp nebula detail out of a light-polluted sky.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis dual-band 7nm H-alpha and OIII filter is built for one-shot color (OSC) CMOS and CCD cameras. Its narrow 7nm bandpass centers on Hydrogen-alpha (H-a) and Oxygen III (OIII), passing the wavelengths that matter most for emission and planetary nebulae while blocking most artificial and natural skyglow. That lets you shoot long-exposure deep-sky images from a balcony or backyard.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy we picked it\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual 7nm narrowband\u003c\/strong\u003e - Isolates H-alpha and OIII for strong contrast on emission nebulae, planetary nebulae, and supernova remnants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade for OSC cameras\u003c\/strong\u003e - Captures full-color data in one session, so acquisition and processing stay simpler.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTames skyglow\u003c\/strong\u003e - Holds back most urban light and moonlight for imaging from bright locations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eGood to know\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is designed for telescopes at f\/5 and slower. By passing only the H-a (red) and OIII (green-blue) lines, it lifts faint structure and reduces the pull of moonlight and street lighting. It comes in 1.25\" and 2\" sizes, with M48 x 0.75 threading on the 2\" version, and ships in a PP plastic storage box.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I use it with a monochrome camera?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It is tuned for one-shot color cameras but works with monochrome sensors too.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does it help under a bright Moon?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. The 7nm bandpass cuts the effect of moonlight, so it stays useful during bright lunar phases.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Which targets suit it best?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Emission nebulae, planetary nebulae, and supernova remnants with strong H-a and OIII lines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will it skew color balance?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It passes the H-a and OIII lines while keeping color channels consistent, so nebulae look natural after standard processing.\u003c\/p\u003e","brand":"Smart Deals Picks","offers":[{"title":"S - 1.25 inch","offer_id":52426734895387,"sku":"SDP_100003157_S125INCH","price":218.95,"currency_code":"USD","in_stock":true},{"title":"L - 2 inch","offer_id":52426734928155,"sku":"SDP_100003157_L2INCH","price":295.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/1645\/2891\/files\/dual-band-7nm-h-alpha-and-oiii-filter-for-osc-cameras-s-1_25-inch-1-smart-deals-picks.jpg?v=1782984606","url":"https:\/\/smartdealspicks.com\/products\/dual-band-7nm-h-alpha-and-oiii-filter-for-osc-cameras","provider":"SmartDealsPicks","version":"1.0","type":"link"}