| BLF-50S-460B 50 x 50 mm Square Blue Colored Glass Filter; t=2.5mm 460nm | Optics | Filter | Color Glass | OptoSigma | UVFS | Rectangular | | |
| GRF-50S-545G 50 x 50 mm Square Green Colored Glass Filter; t=2.5mm 541nm | Optics | Filter | Color Glass | OptoSigma | UVFS | Rectangular | | |
| BLF-50S-410B 50 x 50 mm Square Blue Colored Glass Filter; t=2.5mm 410nm | Optics | Filter | Color Glass | OptoSigma | UVFS | Rectangular | | |
| BLF-50S-440B 50 x 50 mm Square Blue Colored Glass Filter; t=2.5mm 440nm | Optics | Filter | Color Glass | OptoSigma | UVFS | Rectangular | | |
| AND-20C-70 20 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-10C-001 10 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-50C-01 50 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-10C-25 10 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-25C-20 25 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-25C-40 25 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-50C-30 50 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-15C-01 15 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-30C-001 30 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-50C-70 50 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-30C-10 30 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-15C-30 15 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-30C-25 30 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-15C-70 15 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-30C-50 30 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-40C-01 40 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-20C-20 20 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-40C-13 40 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-20C-40 20 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-40C-30 40 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-40C-70 40 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-10C-30 10 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-50C-20 50 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-10C-70 10 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-15C-05 15 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-30C-01 30 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-15C-20 15 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-30C-13 30 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-15C-40 15 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-30C-30 30 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-20C-001 20 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-30C-70 30 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-40C-05 40 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-20C-50 20 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-40C-40 40 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-25C-01 25 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-10C-05 10 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-50C-10 50 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-50C-25 50 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-15C-001 15 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-25C-70 25 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-30C-05 30 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-30C-20 30 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-20C-01 20 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-40C-25 40 mm Dia. Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-25-50 25 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-30-13 30 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-30-30 30 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-52-25 52 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-52-50 52 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-25-13 25 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-25-70 25 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-30-40 30 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-52-13 52 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-52-10 52 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-25-20 25 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-25-40 25 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-30-25 30 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-30-50 30 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-52-1 52 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-52-20 52 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-52-40 52 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MAN-25-10 25 mm Dia. Optical Glass Mounted Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| AND-30S-05 30 x 30 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-30S-20 30 x 30 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-40S-001 40 x 40 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-10S-001 10 x 10 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-20S-70 20 x 20 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-10S-10 10 x 10 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-10S-25 10 x 10 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-50S-13 50 x 50 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-10S-50 10 x 10 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-50S-30 50 x 50 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-15S-01 15 x 15 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-30S-001 30 x 30 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-50S-70 50 x 50 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-30S-25 30 x 30 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-30S-50 30 x 30 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-40S-13 40 x 40 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-20S-40 20 x 20 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-40S-70 40 x 40 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-10S-13 10 x 10 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-50S-05 50 x 50 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-25S-50 25 x 25 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-15S-05 15 x 15 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-30S-01 30 x 30 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-15S-20 15 x 15 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-15S-40 15 x 15 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-30S-30 30 x 30 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-20S-001 20 x 20 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-30S-70 30 x 30 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-20S-10 20 x 20 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-40S-05 40 x 40 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-20S-25 20 x 20 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-40S-20 40 x 40 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |
| AND-25S-13 25 x 25 mm Optical Glass Unmounted Visible Absorptive Neutral Density Filter 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Rectangular | | |