Moravian EFW-4L-7 — external filter wheel, 7 × 50 × 50 mm, for G4 CCD cameras A seven-position external...

Moravian EFW-4L-9 — external filter wheel, 9 × 2" / 50 mm, for G4 CCD cameras A nine-position external filter...

Moravian EFW-2S-10 — external filter wheel, 10 × 36 mm, for G2 CCD cameras A ten-position external filter...

PegasusAstro Indigo 7 × 2-inch Electronic Filter Wheel The Indigo is a seven-position electronic filter wheel...

PegasusAstro Indigo 7 × 2-inch Filter Wheel + Optolong LRGB Filter Set The Indigo is a seven-position...