| 240-5601 50.8 x 50.8 mm Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Rectangular | | |
| 240-5602 50.8 x 50.8 mm Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Rectangular | | |
| 240-5605 50.8 x 50.8 mm Absorption Type Neutral Density Filter VIS 450-650nm | Optics | Filter | Neutral Density Filter | EKSMA Optics | UVFS | Rectangular | | |
| 243-3475 25.4 x 25.4 mm GG475 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 243-3715 25.4 x 25.4 mm RG715 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 243-3780 25.4 x 25.4 mm RG780 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 243-3830 25.4 x 25.4 mm RG830 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 243-3850 25.4 x 25.4 mm RG850 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 243-6320 50.8 x 50.8 mm WG320 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 243-6530 50.8 x 50.8 mm OG530 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 243-6780 50.8 x 50.8 mm RG780 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 243-6830 50.8 x 50.8 mm RG830 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 243-6990 50.8 x 50.8 mm RG1000 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Rectangular | | |
| 241-2039 25.4 mm Dia. BG39 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 242-2001 25.4 mm Dia. KG1 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 242-2003 25.4 mm Dia. KG3 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 243-2475 25.4 mm Dia. GG475 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 243-2715 25.4 mm Dia. RG715 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 243-2850 25.4 mm Dia. RG850 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 241-5003 50.8 mm Dia. BG3 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 241-5005 50.8 mm Dia. UG5 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 241-6005 50.8 mm Dia. UG5 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 242-5005 50.8 mm Dia. KG5 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 242-6001 50.8 mm Dia. KG1 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 242-6005 50.8 mm Dia. KG5 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 243-5320 50.8 mm Dia. WG320 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 243-5475 50.8 mm Dia. GG475 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 243-5570 50.8 mm Dia. OG570 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 243-5715 50.8 mm Dia. RG715 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 243-5850 50.8 mm Dia. RG850 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| 243-5990 50.8 mm Dia. RG1000 Color Glass Filter; t=3mm | Optics | Filter | Color Glass | EKSMA Optics | UVFS | Circular | | |
| FNDU-20C02-0.1 20 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-30C02-60 30 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-30-50 30 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-50C02-5 50 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-30-80 30 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-50C02-30 50 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-25C02-0.1 25 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-52-20 52 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-25C02-10 25 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-50C02-92 50 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-52-50 52 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-25-60 25 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-30C02-10 30 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-25-92 25 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-30-5 30 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-20C02-1 20 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-30-30 30 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-20C02-50 20 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-50C02-10 50 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-20C02-80 20 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-50C02-40 50 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-25C02-1 25 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-52-30 52 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-25-0.1 25 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-25-10 25 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-52-92 52 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-25C02-80 25 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-25-40 25 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-30C02-1 30 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-30-0.1 30 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-30-10 30 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-30-40 30 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-50C02-1 50 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-30-70 30 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-52-0.1 52 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-20C02-92 20 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FNDU-25C02-5 25 mm Dia. Unmounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-52-40 52 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-25-1 25 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-25-20 25 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| MFNDU-25-50 25 mm Dia. Mounted UVFS Reflective Neutral Density Filter; t=2mm 200-400nm | Optics | Filter | Neutral Density Filter | OptoSigma | UVFS | Circular | | |
| FND-15C02-5 15 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-25C02-80 25 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-15C02-30 15 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| MFND-25-70 25 mm Dia. Mounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-30C02-20 30 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| MFND-30-0.1 30 mm Dia. Mounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-30C02-50 30 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| MFND-30-10 30 mm Dia. Mounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-20C02-5 20 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-30C02-80 30 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-50C02-1 50 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-50C02-20 50 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-20C02-92 20 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-50C02-80 50 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-25C02-30 25 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| MFND-25-1 25 mm Dia. Mounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-15C02-10 15 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-25C02-92 25 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| MFND-25-50 25 mm Dia. Mounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-30C02-5 30 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| MFND-25-80 25 mm Dia. Mounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-20C02-0.1 20 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-30C02-60 30 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| MFND-30-20 30 mm Dia. Mounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| MFND-30-50 30 mm Dia. Mounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-50C02-5 50 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| MFND-30-80 30 mm Dia. Mounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |
| FND-20C02-70 20 mm Dia. Unmounted N-BK7 Visible Reflective Neutral Density Filter; t=2mm 400-700nm | Optics | Filter | Neutral Density Filter | OptoSigma | N-BK7 | Circular | | |