| AND-25C-05 25 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-50C-13 50 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-10C-50 10 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-15C-13 15 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-20C-05 20 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-25C-001 25 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-10C-01 10 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-10C-13 10 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-25C-10 25 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-50C-05 50 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-25C-25 25 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-25C-50 25 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-50C-40 50 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-20C-10 20 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-20C-25 20 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-40C-20 40 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-50C-001 50 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-10C-20 10 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-25C-13 25 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-10C-40 10 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-25C-30 25 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-50C-50 50 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-15C-10 15 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-15C-25 15 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-15C-50 15 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-30C-40 30 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-40C-001 40 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-20C-13 20 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-40C-10 40 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-20C-30 20 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-30-1 30 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-30-70 30 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-52-5 52 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-25-1 25 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-25-30 25 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-30-5 30 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-30-20 30 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-52-0.1 52 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-52-30 52 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-52-70 52 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-25-5 25 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-30-0.1 30 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-30-10 30 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-25-0.1 25 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-25-25 25 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-15S-10 15 x 15 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-15S-25 15 x 15 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-15S-50 15 x 15 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-30S-40 30 x 30 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-20S-01 20 x 20 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-20S-13 20 x 20 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-40S-10 40 x 40 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-20S-30 20 x 20 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-40S-25 40 x 40 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-40S-50 40 x 40 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-25S-05 25 x 25 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-50S-01 50 x 50 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-25S-20 25 x 25 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-25S-40 25 x 25 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-15S-13 15 x 15 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-30S-10 30 x 30 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-15S-30 15 x 15 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-15S-70 15 x 15 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-20S-05 20 x 20 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-40S-01 40 x 40 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-20S-20 20 x 20 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-40S-30 40 x 40 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-10S-01 10 x 10 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-25S-001 25 x 25 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-25S-10 25 x 25 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-10S-30 10 x 10 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-25S-25 25 x 25 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-50S-20 50 x 50 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-10S-70 10 x 10 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-50S-40 50 x 50 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-30S-13 30 x 30 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-20S-50 20 x 20 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-40S-40 40 x 40 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-10S-05 10 x 10 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-25S-01 25 x 25 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-50S-001 50 x 50 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-10S-20 10 x 10 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-50S-10 50 x 50 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-10S-40 10 x 10 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-25S-30 25 x 25 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-50S-25 50 x 50 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-15S-001 15 x 15 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-25S-70 25 x 25 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-50S-50 50 x 50 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| DIF-50S-YEL 50 x 50 mm Square B270 Glass Visible Range Dichroic Filter; t=1mm 520nm | Optics | Filter | Dichroic Filter | OptoSigma | B270 | Rectangular | | |
| DIF-50S-GRE 50 x 50 mm Square B270 Glass Visible Range Dichroic Filter; t=1mm 505/575nm | Optics | Filter | Dichroic Filter | OptoSigma | B270 | Rectangular | | |
| DIF-50S-MAG 50 x 50 mm Square B270 Glass Visible Range Dichroic Filter; t=1mm 495/605nm | Optics | Filter | Dichroic Filter | OptoSigma | B270 | Rectangular | | |
| DIF-50S-RED 50 x 50 mm Square B270 Glass Visible Range Dichroic Filter; t=1mm 610nm | Optics | Filter | Dichroic Filter | OptoSigma | B270 | Rectangular | | |
| YIF-BA420IFS 25 mm Dia. Mounted Interference Bandpass Filter; t=3.5mm 430-520nm | Optics | Filter | Bandpass Filter | OptoSigma | UVFS | Circular | | |
| YIF-BA575IFS 25 mm Dia. Mounted Interference Bandpass Filter; t=3.5mm 580-700nm | Optics | Filter | Bandpass Filter | OptoSigma | UVFS | Circular | | |
| YIF-BA460-510S 25 mm Dia. Mounted Interference Bandpass Filter; t=3.5mm 470-503nm | Optics | Filter | Bandpass Filter | OptoSigma | UVFS | Circular | | |
| YIF-BA460IFS 25 mm Dia. Mounted Interference Bandpass Filter; t=3.5mm 470-650nm | Optics | Filter | Bandpass Filter | OptoSigma | UVFS | Circular | | |
| YIF-BA495-540S 25 mm Dia. Mounted Interference Bandpass Filter; t=3.5mm 499-535nm | Optics | Filter | Bandpass Filter | OptoSigma | UVFS | Circular | | |
| YIF-BA575-625S 25 mm Dia. Mounted Interference Bandpass Filter; t=3.5mm 580-618nm | Optics | Filter | Bandpass Filter | OptoSigma | UVFS | Circular | | |
| YIF-BA510IFS 25 mm Dia. Mounted Interference Bandpass Filter; t=3.5mm 517-700nm | Optics | Filter | Bandpass Filter | OptoSigma | UVFS | Circular | | |