Filters

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

Antlia 8-EL UHC Pro Visual Enhancer Filter - 2'' Mounted The Antlia 8-EL UHC Pro Visual Enhancer filter is a high--performance optical filter desig...

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...

SVBONY SV220 7nm Dual Narrowband Filter Set "Hubble Palette" Gear for Deep-Sky Photography Features dual Ha&OIII and SII&OIII filters cov...

iOptron LRGB Imaging Filter Kit -1.25" The LRGB filter set is designed for maximum contrast and has extremely high gradients for clear differenti...

iOptron iEFW 5-Position Electronic Filter Wheel The iOptron iEFW-15 Electronic Filter Wheel provides automated control of up to 5 filters. It works...

Optolong L1 L-Quad & L-Para Enhence Filter Set L1 Dual -Combo Set includes：one L-Quad Enhance Filter and one L-Para L-Quad Enhance Filter：Quad ...

Wanderer Astro ND Filter for WandererCover  Extends the exposure time by 32 times The ND filter for WandererCover is designed specifically for user...

Askar Colour Magic Ultra E1 & E2 Duo Narrowband Filter Askar newly launched ColourMagic Ultra E1 2” Duo-narrowband Filter, is a professional as...

Astronomy Plus Energy Rejection Filters Suitable for Quark with refracting and reflecting telescope to observe and photograph the solar prominence ...

Explore Scientific Neutral Density Filter 2" ND 0.9   The neutral density filter transmits light uniformly across the entire visual spectrum. It se...

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 ...

Daystar Combo Quark Accessories Bundle Daystar Filters is excited to announce a brand new Quark optimized accessory series designed to fit our clas...

Astronomik Filter Holder This empty Astronomik filter holder with a knurled edge allows you to mount your own filter glass or replace damaged holde...

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 CLS 2.0-inch   Explore Scientific Nebula Filter 1.25" CLS Range from 436nm to 536nm with peak at 488nm. Transmissi...

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...

Explore Scientific Neutral Density Filter 1.25" ND 0.9 The neutral density filter transmits light uniformly across the entire visual spectrum. It s...

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...

Baader C2 Swan-Band Filter (15nm) – OIII Parallel   Comet filter for the two brightest C2 emission lines at 511 and 514nm (called "Swan-Band") in ...

Baader O-III Super-G Filter (9nm) - CMOS Optimized   O-III Super-G filter with 9 nm FWHM and a maximum transmission of 97%.For visual and photogra...

Baader BCF 1 - DSLR Astro Conversion Filter for Canon APS-C Cameras (all latest models)   DSLR Conversion Filter for Canon APS-C cameras (all lates...

Baader ACF 2 DSLR Astro Conversion Filter Canon EOS 350D/20D/10D/30D   DSLR Conversion Filter for Canon EOS 350D/20D/10D/30D.  Limited Stock Turn y...

Baader ACF DSLR Astro Conversion Filter EOS 300D   DSLR Conversion Filter for Canon EOS 300D Turn your Canon DSLR into a superb deep sky AstroCamer...

Baader T-2 C-Mount with mounted UV/IR Cut Filter 1" (25.4mm) C-mount (external thd) to T-2 Thread (internal thd) With integrated 1¼" filter mount ...

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

Artesky ERF rejection filter with metal cell The purpose of using an Energy Rejection Filter (ERF) is to prevent as much solar energy as possible f...

Artesky ERF rejection filter  The purpose of using an Energy Rejection Filter (ERF) is to prevent as much solar energy as possible from entering th...