Optical Filter Glass, Holmium, 10 mm square, 1 mm thick

Optical Filter 450BP10, 12.2 x 13.2mm, 3.5mm thick, Hard Oxide Coating

Optical Filter 577RB20, 18mm, 1.7mm thick, Helios Coating

Optical Filter 794ALP, 25MM RING , 3.5MM THICK

Optical Filter 335AF14, 25MM RING MOUNTED 5.4 MM THICK

Optical Filter 214BP35, 25MM RING, 4.7MM THICK

Optical Filter MAGENTA, 48.9MM DIAMETER, 1.2 MM THICK

Optical Filter BROADBAND HOT MIRROR, 24.9mm DIAMETER, 3MM THICK