UV IR-CUT filter Ø 31.7 mm

IR685 filter Visibility enhancing Ø 31.7 mm

IR850 filter Visibility enhancing filter Ø 31.7 mm

The Sightron Dual BP Filter (Dual Bandpass Filter) primarily transmits wavelengths near the two main emission lines (Hα, OIII) emitted by celestial objects and cuts off other wavel…

The IR 800 PRO filter is a red-pass filter that transmits near-infrared light above 800 nm. Red-pass filters Emission line 800 nm Diameter Ø 31.7 mm

The IR 720 PRO filter is a red-pass filter that transmits near-infrared light above 720 nm. Red-pass filters Emission line 720 nm Fitting Ø 31.7 mm

The IR 640 PRO filter is a red-pass filter that transmits near-infrared light above 640 nm. Red-pass filters Emission line 640 nm Fitting Ø 31.7 mm

The Sightron Comet BP filter (Comet Bandpass) is an interference filter that transmits the four main emission lines of celestial objects. Emission lines Hα, Hβ, OIII, and SII Emiss…

The Quad BP filters (Quad Bandpass) are interference filters that transmit wavelengths near the four main emission lines of celestial objects - Hα, Hβ, OIII, and SII. Emission line…