Filters

Optolong CLS (City Light Suppression) Broadband Filter 1.  Optolong CLS Introduction The CLS (City Light Suppression) broadband filter is designed ...

IDAS SHO Narrowband Set (SII, H-a & OIII) IDAS H-alpha 6.8nm. OIII 6.0nm and SII 6.3nm Sets. Available at various sizes and classifications –...

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...

Chroma LoGlow Light Pollution Filter The Chroma LoGlow Light Pollution Filter blocks common spectral lines from lighting sources. This filter provi...

Chroma Jovian Methane Filter The Chroma Jovian Methane Filter is a methane absorption band filter. This filter enhances contrast when imaging objec...

Chroma 8nm H-alpha Filter The Chroma 8nm H-alpha Filter is essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 6...

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...

Baader UBVRI Bessel U-Filter - Photometric Baader Bessel-UBVRI Bandpass Filter Set, suitable from f/15 to f/1.8 Classic photometric filters with t...

Baader UBVRI Bessel R-Filter - Photometric Baader Bessel-UBVRI Bandpass Filter Set, suitable from f/15 to f/1.8 Classic photometric filters with t...

Baader UBVRI Bessel Filterset - Photometric Baader Bessel-UBVRI Bandpass Filter Set, suitable from f/15 to f/1.8 Classic photometric filters with ...

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...

Antares Filter Neutral Density 13% Neutral density filters can reduce brightness across the visual spectrum without losing resolution, enhan...

Baader ASTF AstroSolar® Telescope Filter OD 5.1 – ClearWhite Safe for solar observation and photography with all high-end telescopes and extreme t...

SVBONY SV132 2'' H-Beta 25nm Visual Filter The H-Beta filter is a narrowband filter specially designed for visual observation. It is mainly aimed a...

Baader 1.25'' H-alpha 35nm CCF Filter - USED Premium grade H-alpha interline chip CCD-filter for fast optical systems f/10 to f/2.8 IR-blocked NO ...

Vaonis Vespera Solar Filter Astronomer by night, astronomer by day! Observe the closest star to Earth during the day with the Vespera solar filter....

Baader Solar Projection Screen Safe solar projection on refractors with star diagonals Simple observation of the Sun in white light – individually...

Baader OD 3.8 Digital Solar Filter Note: The product will have ASTF printed on both the box and bezel on the filter. The BSDF will have stickers t...

Baader AstroSolar Binocular Filters OD 5.0  ASBF- Baader Solar Filter for Binoculars Safe solar observation with all types of binoculars / safe sol...

SVBONY SHO 5nm Narrowband 1.25" Filters The SHO filter 5nm 1.25 inch is highly transparent, allowing the emission spectrum of the nebula to collect...

 Optolong Photometric UBVRcIc Filters  1. Photometric Filters  "Historically our Solid-State Photometers used custom filters designed to transform...

Astronomy Plus 1.25'' / 2'' Light Pollution Filter  A Light Pollution Filter is designed to reduce the unwanted glow produced by artificial lightin...

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

Shelyak Optical kit for SUNSCAN spectroheliograph by STAROS Projects This optical kit allows you to create a SUNSCAN by STAROS Projects, the descri...

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...

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

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 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...