{"product_id":"antlia-filtri-lrgb-2-pollici-50-8mm-astrofotografia","title":"Antlia LRGB Filter Set 2” (50.8mm) – Astrophotography","description":"\u003ch2\u003eAntlia LRGB Filters 2\" (50.8mm) for Deep-Sky Astrophotography\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAntlia LRGB 2\" (50.8mm) filter kit\u003c\/strong\u003e is engineered for \u003cstrong\u003edeep-sky astrophotography with monochrome CCD and CMOS cameras\u003c\/strong\u003e. Designed for maximum contrast and high spectral separation, it delivers \u003cstrong\u003ebalanced color reproduction and high light transmission\u003c\/strong\u003e, making it ideal for KAF\/KAI sensors and modern CMOS sensors such as Sony IMX and G-Sense.\u003c\/p\u003e\n\n\u003ch2\u003eOptimized Spectral Separation and 1:1:1 RGB Balance\u003c\/h2\u003e\n\u003cp\u003eThe set divides the spectrum into four components: \u003cstrong\u003eLuminance (L), Red (R), Green (G), and Blue (B)\u003c\/strong\u003e. Its near \u003cstrong\u003e1:1:1 RGB design\u003c\/strong\u003e allows equal exposure ratios across channels (within approximately 10%), simplifying image acquisition and post-processing workflow.\u003c\/p\u003e\n\u003cp\u003eOIII emissions are transmitted efficiently through the blue and green filters, enhancing nebular detail and preserving natural color rendering. The gap between green and red filters effectively blocks the primary sodium light pollution line at 589nm, improving color separation and contrast.\u003c\/p\u003e\n\n\u003ch2\u003eOptimized for Modern CCD and CMOS Sensors\u003c\/h2\u003e\n\u003cp\u003eAntlia LRGB filters are optimized for \u003cstrong\u003eKAF\/KAI CCD sensors\u003c\/strong\u003e, \u003cstrong\u003eSony IMX CMOS sensors\u003c\/strong\u003e, and \u003cstrong\u003eG-Sense sensors\u003c\/strong\u003e, ensuring natural color saturation and high signal efficiency. Guaranteed \u003cstrong\u003e\u0026gt;95% transmission\u003c\/strong\u003e maximizes photon throughput and reduces total integration time.\u003c\/p\u003e\n\u003cp\u003eThese filters are not recommended for visual deep-sky observation and are not suitable for solar imaging.\u003c\/p\u003e\n\n\u003ch2\u003ePremium Optical Construction\u003c\/h2\u003e\n\u003cp\u003eManufactured from \u003cstrong\u003emonolithic, non-glued optical glass\u003c\/strong\u003e, each filter features double-sided polishing and multi-layer nano-coating. The perimeter is optically blackened by hand to minimize stray light and halo formation, enhancing image contrast in long-exposure astrophotography.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eTransmission\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e\u0026gt;95%\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eSurface Quality\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e60\/40 (MIL-O-13830)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003ePolishing\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eDouble-sided\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eFlatness\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e1\/4λ\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eParallelism\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e30″\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eOptical Density\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eOD3 @ 300–1050nm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eThickness 2\" (50.8mm)\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e2mm ± 0.05mm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eMonolithic optical glass\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eThread (mounted)\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e2” (M48 x 0.75)\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eAntlia LRGB 2\" filter set\u003c\/strong\u003e is a professional solution for astrophotographers seeking \u003cstrong\u003ebalanced RGB color performance, high transmission efficiency, and improved light pollution control\u003c\/strong\u003e in deep-sky imaging.\u003c\/p\u003e","brand":"Antlia","offers":[{"title":"Default Title","offer_id":51261269705035,"sku":"ANA-LRGB-2","price":465.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/antlia_filtri_LRGB_kit_2in_pollici_50mm_deep_sky_fotografia_monocromatica_CMOS_Sony.jpg?v=1744222872","url":"https:\/\/adriasky.it\/en\/products\/antlia-lrgb-filter-set-2-50-8mm-en","provider":"Adriasky","version":"1.0","type":"link"}