Special Filters

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

Description Baader UBVRI - Filterset, 1 each of U, B, V, R, I Filter Photometric Johnson/Bessel filter system Partial dielectric design with BBAR ...

Description 1.25" or 50x50mm Baader UBVRI - U-Filter Photometric Johnson/Bessel filter system Partial dielectric design with BBAR minimized reflec...

Description 1.25" or 50x50mm Baader UBVRI - B-Filter Photometric Johnson/Bessel filter system Partial dielectric design with BBAR minimized reflec...

Description 1.25" or 50x50mm Baader UBVRI - V-Filter Photometric Johnson/Bessel filter system Partial dielectric design with BBAR minimized reflec...

Description 1.25" or 50x50mm Baader UBVRI - R-Filter Photometric Johnson/Bessel filter system Partial dielectric design with BBAR minimized reflec...

Description 1.25" or 50x50mm mm Baader UBVRI - I-Filter Photometric Johnson/Bessel filter system Partial dielectric design with BBAR minimized ref...

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

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

Description Baader SLOAN-ugriz' Bandpass Filter Set, suitable from f/15 to f/1.8 SLOAN/SDSS (ugriz’) photometric filters with transmission accordi...