{"product_id":"astronomik-h-alpha-12nm-filter","title":"Astronomik H-Alpha 12nm Filter","description":"\u003ch2\u003eAstronomik H-Alpha 12nm Filter – Premium Narrowband Filter for Deep-Sky Astrophotography\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp data-start=\"394\" data-end=\"858\"\u003eThe \u003cstrong data-start=\"398\" data-end=\"432\"\u003eAstronomik H-Alpha 12nm Filter\u003c\/strong\u003e is one of the most essential tools for \u003cstrong data-start=\"472\" data-end=\"511\"\u003eserious deep-sky astrophotographers\u003c\/strong\u003e who want to capture stunning details in \u003cstrong data-start=\"552\" data-end=\"604\"\u003enebulae, emission clouds, and faint H-II regions\u003c\/strong\u003e. Designed with exceptional German optical precision, this narrowband filter isolates the \u003cstrong data-start=\"694\" data-end=\"732\"\u003e656nm Hydrogen-Alpha emission line\u003c\/strong\u003e, allowing astrophotographers to produce high-contrast, ultra-sharp images even under \u003cstrong data-start=\"818\" data-end=\"857\"\u003eheavily light-polluted Indian skies\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"860\" data-end=\"1120\"\u003eWhether you are imaging with \u003cstrong data-start=\"889\" data-end=\"982\"\u003eDSLRs, mirrorless cameras, astronomy CCD\/CMOS cameras, or cooled astrophotography cameras\u003c\/strong\u003e, the Astronomik H-alpha 12nm delivers unmatched clarity, minimal haloing, and perfect parfocal performance with other Astronomik filters.\u003c\/p\u003e\n\u003ch2 data-start=\"1174\" data-end=\"1231\"\u003e\u003cstrong data-start=\"1177\" data-end=\"1231\"\u003eey Features of the Astronomik H-Alpha 12nm Filter\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3 data-start=\"1232\" data-end=\"1269\"\u003e\u003cstrong data-start=\"1236\" data-end=\"1267\"\u003e✔ 12nm Narrowband Bandwidth\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1270\" data-end=\"1386\"\u003ePerfect balance between signal strength and contrast—ideal for both \u003cstrong data-start=\"1338\" data-end=\"1385\"\u003eentry-level and advanced astrophotographers\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-start=\"1388\" data-end=\"1442\"\u003e\u003cstrong data-start=\"1392\" data-end=\"1440\"\u003e✔ Exceptional Performance in Light Pollution\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1443\" data-end=\"1622\"\u003eBlocks over \u003cstrong data-start=\"1455\" data-end=\"1480\"\u003e99% of unwanted light\u003c\/strong\u003e, making it highly effective for imaging from\u003cbr data-start=\"1525\" data-end=\"1528\"\u003e\u003cstrong data-start=\"1528\" data-end=\"1591\"\u003eDelhi, Mumbai, Bangalore, Chennai, Hyderabad, Pune, Kolkata\u003c\/strong\u003e, and other bright urban skies.\u003c\/p\u003e\n\u003ch3 data-start=\"1624\" data-end=\"1669\"\u003e\u003cstrong data-start=\"1628\" data-end=\"1667\"\u003e✔ True 656nm H-Alpha Line Isolation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1670\" data-end=\"1721\"\u003eCaptures fine emission nebula structures such as:\u003c\/p\u003e\n\u003cul data-start=\"1722\" data-end=\"1855\"\u003e\n\u003cli data-start=\"1722\" data-end=\"1738\"\u003e\n\u003cp data-start=\"1724\" data-end=\"1738\"\u003eOrion Nebula\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1739\" data-end=\"1757\"\u003e\n\u003cp data-start=\"1741\" data-end=\"1757\"\u003eRosette Nebula\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1758\" data-end=\"1779\"\u003e\n\u003cp data-start=\"1760\" data-end=\"1779\"\u003eCalifornia Nebula\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1780\" data-end=\"1806\"\u003e\n\u003cp data-start=\"1782\" data-end=\"1806\"\u003eLagoon \u0026amp; Trifid Nebula\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1807\" data-end=\"1830\"\u003e\n\u003cp data-start=\"1809\" data-end=\"1830\"\u003eHeart \u0026amp; Soul Nebula\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1831\" data-end=\"1855\"\u003e\n\u003cp data-start=\"1833\" data-end=\"1855\"\u003eNorth America Nebula\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1857\" data-end=\"1905\"\u003e\u003cstrong data-start=\"1861\" data-end=\"1903\"\u003e✔ Perfect for DSLR, CMOS \u0026amp; CCD Cameras\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1906\" data-end=\"2039\"\u003eDesigned for both colour and monochrome cameras; excellent for \u003cstrong data-start=\"1969\" data-end=\"1988\"\u003eHa channel data\u003c\/strong\u003e in H-alpha, HOO, and SHO (Hubble Palette) imaging.\u003c\/p\u003e\n\u003ch3 data-start=\"2041\" data-end=\"2075\"\u003e\u003cstrong data-start=\"2045\" data-end=\"2073\"\u003e✔ Ultra-Durable Coatings\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2076\" data-end=\"2178\"\u003eScratch-resistant, humidity-proof, temperature-stable—built for long-term Indian observing conditions.\u003c\/p\u003e\n\u003ch3 data-start=\"2180\" data-end=\"2230\"\u003e\u003cstrong data-start=\"2184\" data-end=\"2228\"\u003e✔ Parfocal With Other Astronomik Filters\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2231\" data-end=\"2312\"\u003eSeamless integration with \u003cstrong data-start=\"2257\" data-end=\"2303\"\u003eAstronomik OIII, SII, CLS, UHC, and H-beta\u003c\/strong\u003e filters.\u003c\/p\u003e\n\u003chr data-start=\"2314\" data-end=\"2317\"\u003e\n\u003ch2 data-start=\"2319\" data-end=\"2372\"\u003e\u003cstrong data-start=\"2322\" data-end=\"2372\"\u003eWhy Choose the Astronomik H-Alpha 12nm Filter?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2373\" data-end=\"2468\"\u003eThe 12nm H-alpha version is the best \u003cstrong data-start=\"2410\" data-end=\"2425\"\u003eall-rounder\u003c\/strong\u003e for most telescopes in India, providing:\u003c\/p\u003e\n\u003cul data-start=\"2469\" data-end=\"2698\"\u003e\n\u003cli data-start=\"2469\" data-end=\"2506\"\u003e\n\u003cp data-start=\"2471\" data-end=\"2506\"\u003eGreater signal for faster imaging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2507\" data-end=\"2532\"\u003e\n\u003cp data-start=\"2509\" data-end=\"2532\"\u003eReduced exposure time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2533\" data-end=\"2564\"\u003e\n\u003cp data-start=\"2535\" data-end=\"2564\"\u003eHigher contrast for nebulae\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2565\" data-end=\"2612\"\u003e\n\u003cp data-start=\"2567\" data-end=\"2612\"\u003eExcellent results from \u003cstrong data-start=\"2590\" data-end=\"2604\"\u003eBortle 7–9\u003c\/strong\u003e skies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2613\" data-end=\"2698\"\u003e\n\u003cp data-start=\"2615\" data-end=\"2698\"\u003eSuperior optical quality for \u003cstrong data-start=\"2644\" data-end=\"2698\"\u003erefractors, Newtonians, SCTs, RCs, and astrographs\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2700\" data-end=\"2820\"\u003eIts high transmission and precise multi-coatings make it one of the most reliable filters for astrophotography in India.\u003c\/p\u003e\n\u003chr data-start=\"2822\" data-end=\"2825\"\u003e\n\u003ch2 data-start=\"2827\" data-end=\"2858\"\u003e\u003cstrong data-start=\"2830\" data-end=\"2858\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"2859\" data-end=\"3153\"\u003e\n\u003cli data-start=\"2859\" data-end=\"2902\"\u003e\n\u003cp data-start=\"2861\" data-end=\"2902\"\u003e\u003cstrong data-start=\"2861\" data-end=\"2884\"\u003eCentral Wavelength:\u003c\/strong\u003e 656nm (H-Alpha)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2903\" data-end=\"2933\"\u003e\n\u003cp data-start=\"2905\" data-end=\"2933\"\u003e\u003cstrong data-start=\"2905\" data-end=\"2926\"\u003eBandwidth (FWHM):\u003c\/strong\u003e 12nm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2934\" data-end=\"2969\"\u003e\n\u003cp data-start=\"2936\" data-end=\"2969\"\u003e\u003cstrong data-start=\"2936\" data-end=\"2953\"\u003eTransmission:\u003c\/strong\u003e \u0026gt; 96% at peak\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2970\" data-end=\"3018\"\u003e\n\u003cp data-start=\"2972\" data-end=\"3018\"\u003e\u003cstrong data-start=\"2972\" data-end=\"2994\"\u003eOptical Thickness:\u003c\/strong\u003e 1mm (parfocal design)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3019\" data-end=\"3087\"\u003e\n\u003cp data-start=\"3021\" data-end=\"3087\"\u003e\u003cstrong data-start=\"3021\" data-end=\"3041\"\u003eSurface Quality:\u003c\/strong\u003e Professional-grade, no halos or reflections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3088\" data-end=\"3131\"\u003e\n\u003cp data-start=\"3090\" data-end=\"3131\"\u003e\u003cstrong data-start=\"3090\" data-end=\"3110\"\u003eAvailable Sizes:\u003c\/strong\u003e 1.25-inch \u0026amp; 2-inch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3132\" data-end=\"3153\"\u003e\n\u003cp data-start=\"3134\" data-end=\"3153\"\u003e\u003cstrong data-start=\"3134\" data-end=\"3153\"\u003eMade in Germany\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3155\" data-end=\"3158\"\u003e\n\u003ch2 data-start=\"3160\" data-end=\"3177\"\u003e\u003cstrong data-start=\"3163\" data-end=\"3177\"\u003eIdeal For:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-start=\"3178\" data-end=\"3376\"\u003e\n\u003cli data-start=\"3178\" data-end=\"3207\"\u003e\n\u003cp data-start=\"3180\" data-end=\"3207\"\u003eDeep-sky astrophotography\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3208\" data-end=\"3257\"\u003e\n\u003cp data-start=\"3210\" data-end=\"3257\"\u003eNarrowband imaging from light-polluted cities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3258\" data-end=\"3303\"\u003e\n\u003cp data-start=\"3260\" data-end=\"3303\"\u003eImaging emission nebulae and H-II regions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3304\" data-end=\"3341\"\u003e\n\u003cp data-start=\"3306\" data-end=\"3341\"\u003eDSLR\/CMOS mono and colour imaging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3342\" data-end=\"3376\"\u003e\n\u003cp data-start=\"3344\" data-end=\"3376\"\u003eLong-exposure astrophotography\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3378\" data-end=\"3381\"\u003e\n\u003ch2 data-start=\"3383\" data-end=\"3423\"\u003e\u003cstrong data-start=\"3386\" data-end=\"3421\"\u003eWhy Buy from Modern Telescopes?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3424\" data-end=\"3572\"\u003eModern Telescopes is \u003cstrong data-start=\"3445\" data-end=\"3486\"\u003eIndia’s largest telescope distributor\u003c\/strong\u003e and an authorized seller of \u003cstrong data-start=\"3515\" data-end=\"3537\"\u003eAstronomik Filters\u003c\/strong\u003e. When you shop with us, you get:\u003c\/p\u003e\n\u003cul data-start=\"3573\" data-end=\"3727\"\u003e\n\u003cli data-start=\"3573\" data-end=\"3619\"\u003e\n\u003cp data-start=\"3575\" data-end=\"3619\"\u003e100% original imported Astronomik products\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3620\" data-end=\"3659\"\u003e\n\u003cp data-start=\"3622\" data-end=\"3659\"\u003eFull warranty \u0026amp; after-sales support\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3660\" data-end=\"3690\"\u003e\n\u003cp data-start=\"3662\" data-end=\"3690\"\u003eFast delivery across India\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3691\" data-end=\"3727\"\u003e\n\u003cp data-start=\"3693\" data-end=\"3727\"\u003eExpert astrophotography guidance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astronomik","offers":[{"title":"1.25 Inch","offer_id":42793026781245,"sku":null,"price":20100.0,"currency_code":"INR","in_stock":true},{"title":"2 Inch","offer_id":42793026814013,"sku":null,"price":37100.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/6595\/8205\/files\/astronomik_h-alpha.jpg?v=1765388323","url":"https:\/\/moderntelescopes.net\/products\/astronomik-h-alpha-12nm-filter","provider":"Modern Telescopes","version":"1.0","type":"link"}