All Categories Absorptive Neutral Density Filters UV-VIS-NIR (59)Anti reflective Coatings (10)Beamsplitter (21)Calibration Filter Sets (2)Cold Mirrors (3)Color Imaging (LRGB) Astronomy Filters (4)Colored Filter Glass - Bandpass Type (28)Colored Filter Glass - Heat Absorbing (12)Colored Filter Glass - Long Pass Type (107)Cryolite Evaporation Material (2)Custom IR Long Pass Filters (14)Dichroic Filter Sets (1)Dichroic Filters (24)Emission Line Filters (336)Epolite FH-5313 Epoxies (8)Filter Wheels (7)First-surface UV Filters (24)Hard-Coated Broadband Filters (27)Hard-Coated Narrowband Filters (214)High Transmitting Bandpass Filters (126)Hot Mirrors (4)Infrared (IR) Neutral Density Filter Sets (6)Infrared Suppressing Filters (3)Infrared Windows and Substrates (8)IR Neutral Density Filters (48)Johnson/Bessel UBVRI Filters (25)Kron/Cousins UBVRI Filters (30)L-, M-, and N-Band Infrared Filters (14)Legacy ANDV Filters (183)Long Wave Pass Edge Filters (68)Metallic Neutral Density Filters UV-VIS-NIR (76)Metallic Neutral Density Filters VIS-NIR (72)MKO Near-Infrared Filters (9)Neutral Density (ND) Filters (104)Neutral Density Filter Sets (19)Optical Mounts and Hardware (4)Semi-Custom Bandpass Filters (411)Semi-Custom IR Bandpass Filters (11)Short Wave Pass Edge Filters (52)Sloan Filters (10)Solar and Celestial Observation Filters (2)Standard Bandpass Filters (624)Standard IR Bandpass Filters (13)Standard IR Long Pass Filters (21)Steep-Edge Longpass Filters (40)Surplus - Bandpass Filters (530)Surplus - Edge Filters (52)Surplus - Hard-Coated Bandpass Filters (52)Surplus - IR Bandpass Filters (167)Surplus - IR Edge Filters (68)Surplus Substrate Material (20)Temperature Controllers (6)Threaded Filter Rings (7)Ultraviolet Cold Mirrors (3) Search