Filters

Premium grade H-alpha interline chip CCD-filter for fast optical systems f/10 to f/2.8 IR-blocked NO halos, NO reflections, NO ghosting Non-aging ...

"Less is more!" Better a few filters with high optical performance produced for astronomical observations than whole mountains of filters with medi...

Baader IR-Pass Filter HWB 685nm Reduces the effect of seeing resulting in a much sharper image. Ideal for imaging and used for the luminosity chan...

New CMOS-optimized L-RGB filters from Baader Planetarium with Reflex-Blocker™ and Life-Coat™.Baader CMOS RGB Bandpass Filter RGB-R (595 – 690 mm) R...

Schott RG 830 substrate with super stack dielectric coating For pure methane band transmission, planetary imaging Non-aging sealed coating edges ...

Selective contrast filter, for all reflector and refractor telescopes Filters out specific wavelengths, especially those caused by streetlight and...

For reducing brightness and during Lunar and Solar observation. Suitable for solar observing only as an additional post-filter! Fine optical polis...

Baader SLOAN-g' Bandpass Filter, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-specif...

Baader SLOAN-i' Bandpass Filter, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-specif...

Baader SLOAN-r' Bandpass Filter, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-specif...

Baader SLOAN-u' Bandpass Filter, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-specif...

Baader SLOAN Bandpass Filter Set, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-speci...

Baader SLOAN-y' Bandpass Filter, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-specif...

Baader SLOAN-z-s' Bandpass Filter, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric filter with transmission according to SLOAN-spec...

Baader UBVRI Bandpass Filter Set, suitable from f/15 to f/1.8 Classic photometric filter with transmission according to Bessel – parfocal with ...

Baader UBVRI-B Bandpass Filter, suitable from f/15 to f/1.8 Classic photometric filter with transmission according to Bessel – parfocal with al...

Baader UBVRI-I Bandpass Filter, suitable from f/15 to f/1.8 Classic photometric filter with transmission according to Bessel – parfocal with al...

Baader UBVRI-R Bandpass Filter, suitable from f/15 to f/1.8 Classic photometric filter with transmission according to Bessel – parfocal with al...

Baader UBVRI-U Bandpass Filter, suitable from f/15 to f/1.8 Classic photometric filter with transmission according to Bessel – parfocal with al...

Baader UBVRI-V Bandpass Filter, suitable from f/15 to f/1.8 Classic photometric filter with transmission according to Bessel – parfocal with al...

Baader Double Polarizing FilterScrews into 1¼ or 2" eyepieces/threads. The two filters can be rotated relative to each other to variably adjust the...

Baader Polarizing FilterScrews into 1¼ or 2" eyepieces/threads. Useful in Lunar and Solar observations to limit brightness and increase contrast.Th...

Two filters made into one for maximum brightness Combines Fringe-Killer with Moon & Skyglow for Semi-APO contrast with refractors Non-aging se...

Baader U-Filter (Venus and UV) 350nm. Transmission peak approx. 80% at 350nm, bandwidth 60nm (320-380nm), completely blocking the entire spectral ...