| 12-312 12.7 x 127 mm SCHOTT AS87ECO Ultra-Thin Protective Flat Window; t=0.1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 12-313 25.4 x 25.4 mm SCHOTT AS87ECO Ultra-Thin Protective Flat Window; t=0.1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 68-521 10 mm Dia. Silicon Protective Flat Window; t=1.5 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Silicon | Circular |
| 65-866 50 mm Dia. Fused Silica High Power Laser Line Flat Window; t=3 mm Laser V-Coat 266nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 68-816 25 mm Dia. Sodium Chloride Protective Flat Window; t=4 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 48-924 25.4 mm Dia. Float Glass High Efficiency Protective Flat Window; t=1 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Circular |
| 43-973 127.0 x 177.8 mm Float Glass High Efficiency Protective Flat Window; t=3 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Rectangular |
| 87-700 12.5 mm Dia. Barium Fluoride Protective Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | BAF2 | Circular |
| 87-701 25 mm Dia. Barium Fluoride Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | BAF2 | Circular |
| 63-208 30 mm Dia. Calcium Fluoride Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | CaF2 | Circular |
| 02-184 38 mm Dia. Float Glass Protective Flat Window; t=1.5 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Circular |
| 33-003 125 mm Dia. Gorilla Glass Protective Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 83-368 200.0 x 200.0 mm Gorilla Glass Protective Flat Window; t=1.1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 12-292 10 x 10 mm SCHOTT AS87ECO Ultra-Thin Protective Flat Window; t=0.1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 12-314 25.4 x 50.8 mm SCHOTT AS87ECO Ultra-Thin Protective Flat Window; t=0.1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 89-558 10 mm Dia. Germanium Protective Flat Window; t=1.5 mm BBAR 3-5µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 89-559 12.5 mm Dia. Germanium Protective Flat Window; t=1 mm BBAR 3-5µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 83-349 25 mm Dia. Germanium Protective Flat Window; t=1 mm BBAR 3-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 11-862 25.4 mm Dia. Germanium Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 63-214 30 mm Dia. Germanium Protective Flat Window; t=3 mm BBAR 8-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 68-739 40 mm Dia. Germanium Protective Flat Window; t=4 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 83-345 50 mm Dia. Germanium Protective Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 89-568 50 mm Dia. Germanium Protective Flat Window; t=1 mm BBAR 3-5µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 62-646 50 mm Dia. Germanium Protective Flat Window; t=3 mm BBAR 3-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 89-571 75 mm Dia. Germanium Protective Flat Window; t=5 mm BBAR 3-5µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 65-859 10 mm Dia. Fused Silica High Power Laser Line Flat Window; t=3 mm Laser V-Coat 1064nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 65-864 20 mm Dia. Fused Silica High Power Laser Line Flat Window; t=3 mm Laser V-Coat 1064nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-231 25.4 mm Dia. UVFS Ultra-Low Reflectivity Laser Line Flat Window; t=6.35 mm Ultra V-Coat 343nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-251 12.7 mm Dia. UVFS Ultra-Low Reflectivity Laser Line Flat Window; t=6.35 mm Ultra V-Coat 515nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-280 38.1 mm Dia. UVFS Ultra-Low Reflectivity Laser Line Flat Window; t=6.35 mm Ultra V-Coat 1064nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 46-098 25.4 mm Dia. Float Glass High Efficiency Protective Flat Window; t=3 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Circular |
| 39-280 38.1 mm Dia. Float Glass High Efficiency Protective Flat Window; t=1 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Circular |
| 39-281 63.5 mm Dia. Float Glass High Efficiency Protective Flat Window; t=1 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Circular |
| 39-282 88.9 mm Dia. Float Glass High Efficiency Protective Flat Window; t=1 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Circular |
| 46-104 101.6 mm Dia. Float Glass High Efficiency Protective Flat Window; t=3 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Circular |
| 48-925 50.8 x 50.8 mm Float Glass High Efficiency Protective Flat Window; t=1 mm BBAR 425-700nm | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Rectangular |
| 68-804 13 mm Dia. Potassium Bromide Protective Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 68-806 20 mm Dia. Potassium Bromide Protective Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 64-092 5 mm Dia. Magnesium Fluoride Protective Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Magnesium Fluoride | Circular |
| 87-703 10 mm Dia. Magnesium Fluoride Protective Flat Window; t=1.5 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Magnesium Fluoride | Circular |
| 64-093 12.5 mm Dia. Magnesium Fluoride Protective Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Magnesium Fluoride | Circular |
| 87-702 50 mm Dia. Barium Fluoride Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | BAF2 | Circular |
| 87-705 75 mm Dia. Calcium Fluoride Protective Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | CaF2 | Circular |
| 44-063 51.5 mm Dia. Float Glass Protective Flat Window; t=1.5 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Soda Lime | Circular |
| 83-359 5 mm Dia. Gorilla Glass Protective Flat Window; t=1.1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 83-363 25 mm Dia. Gorilla Glass Protective Flat Window; t=1.1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 12-228 25.0 x 25.0 mm Gorilla Glass Protective Flat Window; t=1.1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 12-293 10 x 20 mm SCHOTT AS87ECO Ultra-Thin Protective Flat Window; t=0.1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 12-295 10 x 50 mm SCHOTT AS87ECO Ultra-Thin Protective Flat Window; t=0.1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 88-427 10 mm Dia. Precision Sapphire Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Al2O3 | Circular |
| 88-428 15 mm Dia. Precision Sapphire Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Al2O3 | Circular |
| 88-429 20 mm Dia. Precision Sapphire Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Al2O3 | Circular |
| 68-525 25 mm Dia. Silicon Protective Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Silicon | Circular |
| 68-527 25 mm Dia. Silicon Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Silicon | Circular |
| 32-806 152.4 x 152.4 mm Polymer Film Infrared (IR) Protective Flat Window; t=0.38 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 68-734 10 mm Dia. Germanium Protective Flat Window; t=1.5 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 62-643 10 mm Dia. Germanium Protective Flat Window; t=1.5 mm BBAR 3-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 83-354 12.5 mm Dia. Germanium Protective Flat Window; t=3 mm BBAR 8-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 89-562 20 mm Dia. Germanium Protective Flat Window; t=2 mm BBAR 3-5µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 63-213 20 mm Dia. Germanium Protective Flat Window; t=2 mm BBAR 8-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 83-343 25 mm Dia. Germanium Protective Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 89-565 25 mm Dia. Germanium Protective Flat Window; t=3 mm BBAR 3-5µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 11-865 25.4 mm Dia. Germanium Protective Flat Window; t=3 mm BBAR 3-5µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 68-738 30 mm Dia. Germanium Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 64-378 30 mm Dia. Germanium Protective Flat Window; t=3 mm BBAR 3-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 64-379 40 mm Dia. Germanium Protective Flat Window; t=4 mm BBAR 3-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 11-863 50.8 mm Dia. Germanium Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 83-344 25 mm Dia. Germanium Protective Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 47-687 25 mm Dia. Germanium Protective Flat Window; t=3 mm BBAR 8-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 83-351 50 mm Dia. Germanium Protective Flat Window; t=1 mm BBAR 3-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 11-866 50.8 mm Dia. Germanium Protective Flat Window; t=3 mm BBAR 3-5µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 11-864 76.2 mm Dia. Germanium Protective Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 83-357 50 mm Dia. Germanium Protective Flat Window; t=1 mm BBAR 8-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 83-352 50 mm Dia. Germanium Protective Flat Window; t=2 mm BBAR 3-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 11-872 50.8 mm Dia. Germanium Protective Flat Window; t=3 mm BBAR 8-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 11-867 76.2 mm Dia. Germanium Protective Flat Window; t=5 mm BBAR 3-5µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 11-873 76.2 mm Dia. Germanium Protective Flat Window; t=5 mm BBAR 8-12µm | Optics | Window | Flat Window | Edmund Optics | Germanium | Circular |
| 43-426 2 in Dia. UVFS Dual Surface Flat Window; t=0.5 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 43-434 8 in Dia. UVFS Dual Surface Flat Window; t=1.5 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 48-130 2 in Dia. UVFS Dual Surface Flat Window; t=0.5 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 39-391 12.7 mm Dia. Zinc Selenide Protective Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | ZnSe | Circular |
| 39-400 50.8 mm Dia. Zinc Selenide Protective Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | ZnSe | Circular |
| 43-416-000 2 in Dia. UVFS Single Surface Flat Window; t=0.5 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 48-117-000 3 in Dia. Zerodur Single Surface Flat Window; t=0.75 in Uncoated | Optics | Window | Flat Window | Edmund Optics | Zerodur | Circular |
| 31-391-000 3 in Dia. Zerodur Single Surface Flat Window; t=0.75 in Uncoated | Optics | Window | Flat Window | Edmund Optics | Zerodur | Circular |
| 49-048-000 8 in Dia. UVFS Single Surface Flat Window; t=1.5 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 46-715-000 10 in Dia. UVFS Single Surface Flat Window; t=1.5 in Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 05Q20RAR.L 12.7 mm Dia. UVFS Antireflection o-Texture Surface Parallel Optical Flat Window; t=3.18 mm 500-1100nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| 20Q20-NL 50.8 mm Dia. UVFS Parallel Optical Flat Window; t=9.4 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| 10BW40-30 25.4 mm Dia. N-BK7 Parallel Optical Flat Window; t=6 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | N-BK7 | Circular |
| MGW10 5 mm Dia. Magnesium Fluoride Optical Parallel Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | Magnesium Fluoride | Circular |
| CAW12 12.5 mm Dia. Calcium Fluoride Parallel Optical Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | CaF2 | Circular |
| CAW16 20 mm Dia. Calcium Fluoride Parallel Optical Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | CaF2 | Circular |
| SAW18 15 mm Dia. Sapphire Parallel Optical Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | Al2O3 | Circular |
| SAW31 50.8 mm Dia. Sapphire Parallel Optical Flat Window; t=3.15 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | Al2O3 | Circular |
| 05QW40-30AR.14 12.7 mm Dia. UVFS Parallel Optical Flat Window; t=6 mm 430-700nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| 10QW40-30AR.14 25.4 mm Dia. UVFS Parallel Optical Flat Window; t=6 mm 430-700nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| FSW11AR.14 10 mm Dia. UVFS Parallel Optical Flat Window; t=1.3 mm 425-675nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| FSW13 15 mm Dia. UVFS Parallel Optical Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |
| FSW13AR.10 15 mm Dia. UVFS Parallel Optical Flat Window; t=2 mm 250-450nm | Optics | Window | Flat Window | MKS/Newport | UVFS | Circular |