| 13-115 50 mm Dia. Hoya ND-50 Absorptive Neutral Density Filter; OD 0.3 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-101 25 mm Dia. Hoya ND-25 Absorptive Neutral Density Filter; OD 0.6 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-102 25 mm Dia. Hoya ND-25 Absorptive Neutral Density Filter; OD 0.7 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-086 12.5 mm Dia. Hoya ND-13 Absorptive Neutral Density Filter; OD 0.9 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-120 50 mm Dia. Hoya ND-13 Absorptive Neutral Density Filter; OD 0.9 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-121 50 mm Dia. Hoya ND-0.3 Absorptive Neutral Density Filter; OD 1 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-088 12.5 mm Dia. Hoya ND-0.3 Absorptive Neutral Density Filter; OD 1.3 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-105 25 mm Dia. Hoya ND-0.3 Absorptive Neutral Density Filter; OD 1.3 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-122 50 mm Dia. Hoya ND-0.3 Absorptive Neutral Density Filter; OD 1.3 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-089 12.5 mm Dia. Hoya ND-0.3 Absorptive Neutral Density Filter; OD 1.5 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-106 25 mm Dia. Hoya ND-0.3 Absorptive Neutral Density Filter; OD 1.5 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-090 12.5 mm Dia. Hoya ND-0.3 Absorptive Neutral Density Filter; OD 2 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-091 12.5 mm Dia. Hoya ND-0.3 Absorptive Neutral Density Filter; OD 2.5 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-108 25 mm Dia. Hoya ND-0.3 Absorptive Neutral Density Filter; OD 2.5 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-126 50 mm Dia. Hoya ND-0.3 Absorptive Neutral Density Filter; OD 3 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-093 12.5 mm Dia. Hoya ND-006 Absorptive Neutral Density Filter; OD 3.5 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-110 25 mm Dia. Hoya ND-006 Absorptive Neutral Density Filter; OD 3.5 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-128 50 mm Dia. Hoya ND-006 Absorptive Neutral Density Filter; OD 4 425-675nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-168 25 mm Dia. Hoya ND-25 Absorptive Neutral Density Filter; OD 0.5 600-1050nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 13-171 25 mm Dia. Hoya ND-13 Absorptive Neutral Density Filter; OD 0.9 600-1050nm | Optics | Filter | Neutral Density Filter | Edmund Optics | UVFS | Circular | | |
| 100FNIR-50 50mm Dia. OD=1.0, Germanium Standard IR Neutral Density Filter, 2000-14000nm | Optics | Filter | Neutral Density Filter | Andover Corporation | Germanium | Circular | | |
| 130FNIR-25 25mm Dia. OD=1.3, Germanium Standard IR Neutral Density Filter, 2000-14000nm | Optics | Filter | Neutral Density Filter | Andover Corporation | Germanium | Circular | | |
| 200FNIR-12.5 12.5mm Dia. OD=2.0, Germanium Standard IR Neutral Density Filter, 2000-14000nm | Optics | Filter | Neutral Density Filter | Andover Corporation | Germanium | Circular | | |
| 250FNIR-12.5 12.5mm Dia. OD=2.5, Germanium Standard IR Neutral Density Filter, 2000-14000nm | Optics | Filter | Neutral Density Filter | Andover Corporation | Germanium | Circular | | |
| 250FNIR-25 25mm Dia. OD=2.5, Germanium Standard IR Neutral Density Filter, 2000-14000nm | Optics | Filter | Neutral Density Filter | Andover Corporation | Germanium | Circular | | |
| 250FNIR-50 50mm Dia. OD=2.5, Germanium Standard IR Neutral Density Filter, 2000-14000nm | Optics | Filter | Neutral Density Filter | Andover Corporation | Germanium | Circular | | |
| 300FNIR-12.5 12.5mm Dia. OD=3.0, Germanium Standard IR Neutral Density Filter, 2000-14000nm | Optics | Filter | Neutral Density Filter | Andover Corporation | Germanium | Circular | | |
| 300FNIR-50 50mm Dia. OD=3.0, Germanium Standard IR Neutral Density Filter, 2000-14000nm | Optics | Filter | Neutral Density Filter | Andover Corporation | Germanium | Circular | | |
| 010FN46-25 25mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=0.1 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 010FN46-50S 50x50 mm Fused Silica Standard UV Neutral Density Filter, OD=0.1 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Rectangular | | |
| 015FN46-12.5 12.5mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=0.15 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 015FN46-25 25mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=0.15 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 015FN46-50S 50x50 mm Fused Silica Standard UV Neutral Density Filter, OD=0.15 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Rectangular | | |
| 020FN46-25 25mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=0.2 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 020FN46-50S 50x50 mm Fused Silica Standard UV Neutral Density Filter, OD=0.2 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Rectangular | | |
| 030FN46-12.5 12.5mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=0.3 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 030FN46-25 25mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=0.3 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 030FN46-50 50mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=0.3 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 040FN46-12.5 12.5mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=0.4 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 040FN46-50S 50x50 mm Fused Silica Standard UV Neutral Density Filter, OD=0.4 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Rectangular | | |
| 050FN46-12.5 12.5mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=0.5 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 050FN46-25 25mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=0.5 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 050FN46-50S 50x50 mm Fused Silica Standard UV Neutral Density Filter, OD=0.5 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Rectangular | | |
| 060FN46-12.5 12.5mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=0.6 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 060FN46-50 50mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=0.6 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 070FN46-25 25mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=0.7 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 070FN46-50 50mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=0.7 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 070FN46-50S 50x50 mm Fused Silica Standard UV Neutral Density Filter, OD=0.7 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Rectangular | | |
| 080FN46-12.5 12.5mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=0.8 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 080FN46-50 50mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=0.8 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 080FN46-50S 50x50 mm Fused Silica Standard UV Neutral Density Filter, OD=0.8 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Rectangular | | |
| 090FN46-12.5 12.5mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=0.9 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 090FN46-50S 50x50 mm Fused Silica Standard UV Neutral Density Filter, OD=0.9 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Rectangular | | |
| 100FN46-50 50mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=1.0 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 130FN46-25 25mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=1.3 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 130FN46-50S 50x50 mm Fused Silica Standard UV Neutral Density Filter, OD=1.3 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Rectangular | | |
| 200FN46-25 25mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=2.0 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 200FN46-50 50mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=2.0 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 250FN46-12.5 12.5mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=2.5 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 250FN46-25 25mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=2.5 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 250FN46-50 50mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=2.5 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 300FN46-50 50mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=3.0 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 300FN46-50S 50x50 mm Fused Silica Standard UV Neutral Density Filter, OD=3.0 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Rectangular | | |
| 400FN46-25 25mm Dia. Fused Silica Standard UV Neutral Density Filter, OD=4.0 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Circular | | |
| 400FN46-50S 50x50 mm Fused Silica Standard UV Neutral Density Filter, OD=4.0 | Optics | Filter | Neutral Density Filter | Andover Corporation | Fused Silica | Rectangular | | |
| 010FN52-12.5 12.5mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.1 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 010FN52-50 50mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.1 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 015FN52-12.5 12.5mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.15 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 015FN52-25 25mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.15 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 015FN52-50 50mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.15 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 020FN52-12.5 12.5mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.2 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 020FN52-50S 50x50mm Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.2 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Rectangular | | |
| 030FN52-25 25mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.3 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 030FN52-50 50mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.3 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 030FN52-50S 50x50mm Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.3 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Rectangular | | |
| 040FN52-12.5 12.5mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.4 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 040FN52-25 25mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.4 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 050FN52-12.5 12.5mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.5 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 050FN52-25 25mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.5 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 050FN52-50 50mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.5 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 060FN52-25 25mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.6 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 060FN52-50 50mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.6 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 060FN52-50S 50x50mm Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.6 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Rectangular | | |
| 070FN52-12.5 12.5mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.7 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 070FN52-25 25mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.7 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 070FN52-50 50mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.7 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 080FN52-50 50mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.8 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 090FN52-12.5 12.5mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.9 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 090FN52-50S 50x50mm Green Glass Standard VIS-NIR Neutral Density Filter, OD=0.9 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Rectangular | | |
| 100FN52-12.5 12.5mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=1.0 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 100FN52-25 25mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=1.0 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 100FN52-50 50mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=1.0 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 130FN52-12.5 12.5mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=1.3 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 130FN52-25 25mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=1.3 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 130FN52-50S 50x50mm Green Glass Standard VIS-NIR Neutral Density Filter, OD=1.3 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Rectangular | | |
| 150FN52-12.5 12.5mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=1.5 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 150FN52-50 50mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=1.5 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 150FN52-50S 50x50mm Green Glass Standard VIS-NIR Neutral Density Filter, OD=1.5 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Rectangular | | |
| 200FN52-12.5 12.5mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=2.0 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |
| 250FN52-12.5 12.5mm Dia. Green Glass Standard VIS-NIR Neutral Density Filter, OD=2.5 | Optics | Filter | Neutral Density Filter | Andover Corporation | Soda Lime Green | Circular | | |