Filters

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

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 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 Nebula Filter H-Alpha 2-inch 7nm   High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "thr...

Explore Scientific Nebula Filter H-Alpha 2-inch 12nm   High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "th...

Explore Scientific Nebula Filter S-II 2-inch 6.5nm High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost all...

Explore Scientific Nebula Filter S-II 2-inch 12nm   High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost al...

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

Explore Scientific Nebula Filter H-Alpha 1.25-inch 12nm   High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen ...

Explore Scientific Nebula Filter S-II 1.25-inch 6.5nm High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost ...

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...

Kowa TP-72FT protective filter Compatiable products: The Kowa TP-72FT filter helps to protect the pure fluorite crystal objective lenses of the Ko...

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...

Shelyak High Voltage Power Supply High voltage power supply for spectral calibration lamps. This power supply is intended for “spectral lamps” wh...

Shelyak Spox Module SPOX lets you take control of the remote calibration module for Alpy 600, LISA and LHIRES III spectrographs (and the basic, non...

Shelyak Grating module for the UVEX SpectroscopeThe UVEX spectroscope is supplied as standard with a 600t/mm grating. You can complement this instr...

Shelyak Fiber optic connector kit for UVEX  Fiber optic kit to use a UVEX with an optical fiber (instead of a slot)This kit includes:– FC connector...

Shelyak Grating module for the Lhires IIIThe Lhires III was specially designed for High Resolution, but these complementary network modules enable ...

Shelyak LISA SpectroscopeThe LISA is the most sensitive instrument in our product range. Thanks to its internal reducer and low resolution, it is t...

Orion SkyGlow 1.25" Filter  Specialized astrophotography filter designed for deep-sky imaging in light polluted skies with CCD or DSLR cameras The...