Narrowband filters for telescopes

Touptek Astro 2inch Dual Narrowband Filter ToupTek Astro PureSight A1 Hα & OIII Dual Narrowband Filter is designed for deep-sky astrophotograph...

Antlia NII Pro 3nm Filter – Maximum Narrowband Performance The Antlia NII Pro 3nm filter is engineered to deliver exceptional performance in narrow...

Touptek SHO 6.5nm Filters for Astrophotography Narrowband filters are essential accessories in astrophotography used to isolate specific wavelength...

Touptek SHO 4nm Filters for Astrophotography Narrowband filters are essential accessories in astrophotography used to isolate specific wavelength e...

Chroma 3nm OIII Filter Optimized for f/2.8-f/3.6 - USED (OLDER MODEL) Chroma’s OIII filters isolate the 500.7nm primary emission line of doubly ion...

Optolong L2 Dual-Combo Set (L-eXtreme&L-Synergy)   L2 Dual-Combo Set includes two premium filters: one L-eXtreme and one L-Synergy. L-eXtreme:T...

Optolong Hydrogen Alpha Narrowband 3nm   Original manufacturer description below. Improved description/specifications coming soon. H-Alpha 3nm fil...

Askar SHO Colour Magic 3nm Deep-sky Narrowband Filters  The ColourMagic 3nm Deep-sky Narrowband Filter Series is specially designed for astrophotog...

iOptron SHO Narrowband Filter 1.25" Information for HA: iOptron H-Alpha 7nm filter is the popular narrowband filter allowing 7nm bandwidth of light...

Baader H-alpha Bandpass Filter (20 nm) H-alpha filter with 20 nm FWHM (CWL 656.3 nm), thus excellently suited for visual use at night- and photo...

Antlia ALP-T Dual Band Ha & OIII + SII & OIII 3nm 2" Filter Set Ha&OIII 3nm The Antlia ALP-T Dualband 3nm Ha&OIII Filter is a dual ...

Explore Scientific Nebula Filter H-Beta 2.0-inch   Explore Scientific Nebula Filter 1.25" H-Beta Range from 478nm to 496nm with peak at 489nm. Tran...

Explore Scientific Nebula Filter Oxygen III 2.0-inch   Explore Scientific Nebula Filter 1.25" O-III Range from 483nm to 511nm with peak at 496nm. T...

Antlia H-Beta 3nm Narrowband Pro 2'' Filter The Antlia H-Beta Pro narrowband filter optimizes the full width at half maximum (FWHM) to a 3nm ba...

Player One 7nm SHO Narrowband Filters 1.25"  This is a New Product - Please note that further information will come soon.  Multilayer composite coa...

SVBONY SHO 5nm Narrowband 2" Filters The SHO filter 5nm 2 inch is highly transparent, allowing the emission spectrum of the nebula to collect as mu...

Astronomik SII 6nm CCD MaxFR There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RASA the Epsil...

Astronomik SII 12nm CCD MaxFR Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RASA t...

Astronomik SII 12nm CCD Filter This SII Filter is suitable for imaging of SII-regions from observation sites with light pollution and from dark sit...

Astronomik H-alpha 6nm CCD MaxFR Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RAS...

Astronomik H-alpha 6nm CCD Filter The Astronomik H-alpha filter is ideal for imaging HII regions from both light-polluted and dark observation site...

Astronomik H-alpha 12nm CCD MaxFR Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RA...

Astronomik H-alpha 12nm CCD Filter The Astronomik H-alpha filter is ideal for imaging HII regions from both light-polluted and dark observation sit...

Astronomik OIII 6nm MaxFR CCD Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RASA t...

Astronomik OIII 12nm MaxFR CCD Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RASA ...

Astronomik OIII 12nm CCD Filter This Astronomik OIII-CCD Filter is suitable for imaging of OIII nebulas from observation sites with light pollution...

SVBONY 2" SHO Filter Set H-Alpha OIII SII 7nm 1. The H-Alpha 7nm is an extremely narrow emission-line filter that works by allowing a 7nm bandwidt...

21x wide angle eyepiece for use with the Kowa High Lander large binocular Interchangeable eyepiece(s) for High Lander large binoculars  21x magni...

Baader 3.5 / 4nm f/3 Ultra-Highspeed Filters – CMOS-optimized (H-alpha / O-III / S-II) Baader H-alpha / O-III / S-II f / 3 Ultra-Highspeed Filter ...

Chroma 3nm SII Filter Optimized for f/2.8-f/3.6 SII filters isolate the spectral emission of singly ionized sulfur atoms, also common in nebulae. E...

Chroma 3nm OIII Filter Optimized for f/2.8-f/3.6 Chroma’s OIII filters isolate the 500.7nm primary emission line of doubly ionized oxygen. After H...

Chroma 3nm H-Alpha Filter Optimized for f/2.8-f/3.6 H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized h...