Filters

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 SII Filter The Chroma 5nm SII Filter isolates the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is ...

Chroma 5nm OIII Filter The Chroma 5nm OIII Filter isolates the 500.7nm primary emission line of doubly ionized oxygen. After H-alpha, this is the n...

Chroma 5nm H-beta Filter H-beta filters are also useful for imaging nebulae and objects rich in ionized hydrogen. At 486.1nm, a narrow-band filter...

Chroma 3nm H-Beta Filter H-beta filters are also useful for imaging nebulae and objects rich in ionized hydrogen. At 486.1nm, a narrow-band filter...

Celestron Light Pollution Filter RASA 8" Light pollution in the night sky can significantly degrade contrast in astronomical images. This is especi...

Celestron Light Pollution Filter RASA 11" Get the most out of your Celestron Rowe-Ackermann Schmidt Astrograph 11, even under light-polluted skies,...

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

Baader D-ERF Energy Rejection Filter (75 - 180mm) D-ERF (Dielectric Energy Reflection Filter) in different sizes Pre-filter to reduce heat during ...

Astronomik L-RGB color filter set The transmission properties of the L-RGB Typ 2c filters are optimized for CCD astrophotography. The set allows to...

Astronomik IR Blocker Filter Astronomik developed an infrared-blocking filter for digital photography. The Astronomik filter should be used as a st...

Astronomik H-Beta Filter The Astronomik H-beta is a filter for visual observation, in particular with instruments of larger aperture. It lets the l...

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

Astronomik Deep-Sky R filter During the design of the Deep-Sky RGB filters we took a close look at the sensitivity curves of today’s popular CCD ca...

Astronomik Deep-Sky G filter During the design of the Deep-Sky RGB filters we took a close look at the sensitivity curves of today’s popular CCD ca...

Astronomik Deep-Sky Blue Filter Astronomik has added a new range of RGB filters to its line of World class products. The new Deep-Sky RGB filters a...

Antares Filter 2" Neutral Density 25% Neutral density filters can reduce brightness across the visual spectrum without losing resolution, enhancin...

Antares Filter 2" Neutral Density 13% Neutral density filters can reduce brightness across the visual spectrum without losing resolution, enhancing...

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