Filters

IDAS NB1 Nebula Booster Filter H-alpha, H-beta & OIII The IDAS NB1 Nebula Booster Filter is a triple line-pass filter (H-alpha, H-beta & OI...

IDAS NGS1 / LPS-D3 filter IDAS LPS-D3(formerly NGS1) filters enhance the contrast of astronomical emission nebulae against a sky with both man-made...

Chroma 5nm H-alpha Filter H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a na...

Astronomik L-1 UV-IR Blocking Filter Astronomik now offers you a range of three different UV+IR blockers as Luminance filters. The different spectr...

Astronomik Blue Type 2c Filter Our filter set especially designed for astrophotography with CCD cameras. These filters provide a natural color repr...

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-Band Nebula Filter SII & OIII The SV220 SII & OIII  7nm is a Duo Band Filter. It is designed to be used in combinati...

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

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...

Sightron IR640 Pro II IR Pass Filter  Japanese-made IR-pass filter. Fully blocking below 640nm.  Steep cut-off line & high transmission rate.  ...

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 ...

Antlia ALP-T Dualband 3nm SII + OIII 2'' Filters The Antlia ALP-T Dualband 3nm SII&OIII Filter is a dual narrowband filter, which lets the deep...

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

Antares Filter Neutral Density 13% - USED This filter is in excellent condition. Neutral density filters can reduce brightness across the visu...

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

Astronomy Plus Neutral Density 1.25" Filter Set Neutral density filters are an essential tool for astronomers and astrophotographers, especially wh...

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 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 Nebula Filter Oxygen III 2-inch 6.5nm   High quality Explore Scientific O-III filter Let only the oxygen emission lines "throug...

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 7nm   High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "...

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