| 470HC100-25 25mm Dia. 470nm Borosilicate Glass Hard-Coated Broadband Bandpass Filter, HBW 100nm | Optics | Filter | Bandpass Filter | Andover Corporation | Borofloat33 | Circular | 520 nm | 420 nm |
| 488HC80-12.5 12.5mm Dia. 488nm Borosilicate Glass Hard-Coated Broadband Bandpass Filter, HBW 80nm | Optics | Filter | Bandpass Filter | Andover Corporation | Borofloat33 | Circular | 528 nm | 448 nm |
| 488HC80-25 25mm Dia. 488nm Borosilicate Glass Hard-Coated Broadband Bandpass Filter, HBW 80nm | Optics | Filter | Bandpass Filter | Andover Corporation | Borofloat33 | Circular | 528 nm | 448 nm |
| 515HC90-25 25mm Dia. 514.5nm Borosilicate Glass Hard-Coated Broadband Bandpass Filter, HBW 90nm | Optics | Filter | Bandpass Filter | Andover Corporation | Borofloat33 | Circular | 559.5 nm | 469.5 nm |
| 515HC90-50 50mm Dia. 514.5nm Borosilicate Glass Hard-Coated Broadband Bandpass Filter, HBW 90nm | Optics | Filter | Bandpass Filter | Andover Corporation | Borofloat33 | Circular | 559.5 nm | 469.5 nm |
| 532HC150-25 25mm Dia. 532nm Borosilicate Glass Hard-Coated Broadband Bandpass Filter, HBW 150nm | Optics | Filter | Bandpass Filter | Andover Corporation | Borofloat33 | Circular | 607 nm | 457 nm |
| 532HC150-50 50mm Dia. 532nm Borosilicate Glass Hard-Coated Broadband Bandpass Filter, HBW 150nm | Optics | Filter | Bandpass Filter | Andover Corporation | Borofloat33 | Circular | 607 nm | 457 nm |
| 550HC300-12.5 12.5mm Dia. 550nm Borosilicate Glass Hard-Coated Broadband Bandpass Filter, HBW 300nm | Optics | Filter | Bandpass Filter | Andover Corporation | Borofloat33 | Circular | 700 nm | 400 nm |
| 785HC170-12.5 12.5mm Dia. 785nm Borosilicate Glass Hard-Coated Broadband Bandpass Filter, HBW 170nm | Optics | Filter | Bandpass Filter | Andover Corporation | Borofloat33 | Circular | 870 nm | 700 nm |
| 2.95GA05-25 25mm Dia. 2950nm Sapphire Standard IR Bandpass Filter, HBW 110.0nm | Optics | Filter | Bandpass Filter | Andover Corporation | Sapphire | Circular | 3005 nm | 2895 nm |
| 3.46GA05-25 25mm Dia. 3460nm Sapphire Standard IR Bandpass Filter, HBW 140nm | Optics | Filter | Bandpass Filter | Andover Corporation | Sapphire | Circular | 3530 nm | 3390 nm |
| 3.60GA05-25 25mm Dia. 3600nm Sapphire Standard IR Bandpass Filter, HBW 140nm | Optics | Filter | Bandpass Filter | Andover Corporation | Sapphire | Circular | 3670 nm | 3530 nm |
| 4.00GA20-12.5 50mm Dia. 4000nm Silicon Standard IR Bandpass Filter, HBW 2000nm | Optics | Filter | Bandpass Filter | Andover Corporation | Silicon | Circular | 5000 nm | 3000 nm |
| 4.00GA20-25 25mm Dia. 4000nm Silicon Standard IR Bandpass Filter, HBW 2000nm | Optics | Filter | Bandpass Filter | Andover Corporation | Silicon | Circular | 5000 nm | 3000 nm |
| 4.26GA05-25 25mm Dia. 4260nm Sapphire Standard IR Bandpass Filter, HBW 120nm | Optics | Filter | Bandpass Filter | Andover Corporation | Sapphire | Circular | 4320 nm | 4200 nm |
| 5.30GA05-25 25mm Dia. 5300nm Sapphire Standard IR Bandpass Filter, HBW 600nm | Optics | Filter | Bandpass Filter | Andover Corporation | Sapphire | Circular | 5510 nm | 5090 nm |
| 10.00GA40-25 25mm Dia. 10000nm Germanium Standard IR Bandpass Filter, HBW 4000nm | Optics | Filter | Bandpass Filter | Andover Corporation | Germanium | Circular | 12000 nm | 8000 nm |
| 10.60GA15-12.5 12.5mm Dia. 10600nm Germanium Standard IR Bandpass Filter, HBW 1500nm | Optics | Filter | Bandpass Filter | Andover Corporation | Germanium | Circular | 11350 nm | 9850 nm |
| 10.60GA15-25 25mm Dia. 10600nm Germanium Standard IR Bandpass Filter, HBW 1500nm | Optics | Filter | Bandpass Filter | Andover Corporation | Germanium | Circular | 11350 nm | 9850 nm |
| 10.60GA15-50 50mm Dia. 10600nm Germanium Standard IR Bandpass Filter, HBW 1500nm | Optics | Filter | Bandpass Filter | Andover Corporation | Germanium | Circular | 11350 nm | 9850 nm |
| 030FNIR-12.5 12.5mm Dia. OD=0.3, Germanium Standard IR Neutral Density Filter, 2000-14000nm | Optics | Filter | Neutral Density Filter | Andover Corporation | Germanium | Circular | | |
| 030FNIR-25 25mm Dia. OD=0.3, Germanium Standard IR Neutral Density Filter, 2000-14000nm | Optics | Filter | Neutral Density Filter | Andover Corporation | Germanium | Circular | | |
| 050FNIR-25 25mm Dia. OD=0.5, Germanium Standard IR Neutral Density Filter, 2000-14000nm | Optics | Filter | Neutral Density Filter | Andover Corporation | Germanium | Circular | | |
| 060FNIR-12.5 12.5mm Dia. OD=0.6, Germanium Standard IR Neutral Density Filter, 2000-14000nm | Optics | Filter | Neutral Density Filter | Andover Corporation | Germanium | Circular | | |
| 060FNIR-50 50mm Dia. OD=0.6, Germanium Standard IR Neutral Density Filter, 2000-14000nm | Optics | Filter | Neutral Density Filter | Andover Corporation | Germanium | Circular | | |
| 070FNIR-12.5 12.5mm Dia. OD=0.7, Germanium Standard IR Neutral Density Filter, 2000-14000nm | Optics | Filter | Neutral Density Filter | Andover Corporation | Germanium | Circular | | |
| 080FNIR-25 25mm Dia. OD=0.8, Germanium Standard IR Neutral Density Filter, 2000-14000nm | Optics | Filter | Neutral Density Filter | Andover Corporation | Germanium | Circular | | |
| 090FNIR-12.5 12.5mm Dia. OD=0.9, Germanium Standard IR Neutral Density Filter, 2000-14000nm | Optics | Filter | Neutral Density Filter | Andover Corporation | Germanium | Circular | | |
| 090FNIR-25 25mm Dia. OD=0.9, Germanium Standard IR Neutral Density Filter, 2000-14000nm | Optics | Filter | Neutral Density Filter | Andover Corporation | Germanium | 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 | | |