| OPSQ-15C05-10-5 15 mm Dia. UVFS Round Optical Parallel Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-40C04-P 40 mm Dia. UVFS Round Optical Parallel Flat Window; t=4 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-20C02-10-5 20 mm Dia. UVFS Round Optical Parallel Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-10C05-10-5 10 mm Dia. UVFS Round Optical Parallel Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-80C12-1-5 80 mm Dia. UVFS Round Optical Parallel Flat Window; t=12 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQK-50C05-10-5 50 mm Dia. UVFS Round Optical Parallel Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-30C05-4-5 30 mm Dia. UVFS Round Optical Parallel Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-25C02-4-5 25 mm Dia. UVFS Round Optical Parallel Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-25C03-1-5 25 mm Dia. UVFS Round Optical Parallel Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-60C10-20-2 60 mm Dia. UVFS Round Optical Parallel Flat Window; t=10 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-10C03-10-5 10 mm Dia. UVFS Round Optical Parallel Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-20C02-4-5 20 mm Dia. UVFS Round Optical Parallel Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-40C06-1-5 40 mm Dia. UVFS Round Optical Parallel Flat Window; t=6 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-80C2.3-0.2-10 80 mm Dia. UVFS Round Optical Parallel Flat Window; t=2.3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-12.7C03-10-5 12.7 mm Dia. UVFS Round Optical Parallel Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-80C12-P 80 mm Dia. UVFS Round Optical Parallel Flat Window; t=12 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-15C02-4-5 15 mm Dia. UVFS Round Optical Parallel Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPCF-30C03-P 30 mm Dia. CaF2 Round Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | CaF2 | Circular |
| OPCF-50C03-P 50 mm Dia. CaF2 Round Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | CaF2 | Circular |
| OPCF-50C05-P 50 mm Dia. CaF2 Round Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | CaF2 | Circular |
| OPSH-40C02-P 40 mm Dia. Sapphire Round Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | OptoSigma | Sapphire ow | Circular |
| OPSI-50C05-2-3 50 mm Dia. Silicon Round Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | Silicon | Circular |
| WBMA-30C02-10 30 mm Dia. N-BK7 Round AR coated Flat Window; t=2 mm 633-1064nm | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| WBMA-25C03-10 25 mm Dia. N-BK7 Round AR coated Flat Window; t=3 mm 750-1550nm | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| WBMA-30C03-10 30 mm Dia. N-BK7 Round AR coated Flat Window; t=3 mm 750-1550nm | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| WBMA-15C03-10-550 15 mm Dia. N-BK7 Round AR coated Flat Window; t=3 mm 400-700nm | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| WBMA-25C03-10-550 25 mm Dia. N-BK7 Round AR coated Flat Window; t=3 mm 400-700nm | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| 49-123 9 mm Dia. N-BK7 Precision Protective Flat Window; t=2 mm VIS 0 425-675nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 49-122 9 mm Dia. N-BK7 Precision Protective Flat Window; t=2 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 45-256 10 mm Dia. N-BK7 Precision Protective Flat Window; t=2 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 45-075 12.5 mm Dia. N-BK7 Precision Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 45-658 12.5 mm Dia. N-BK7 Precision Protective Flat Window; t=3 mm VIS-NIR 400-1000nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 47-518 15 mm Dia. N-BK7 Precision Protective Flat Window; t=3 mm VIS 0 425-675nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 36-993 25 mm Dia. N-BK7 Precision Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 47-520 25 mm Dia. N-BK7 Precision Protective Flat Window; t=4 mm VIS 0 425-675nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 48-446 40 mm Dia. N-BK7 Precision Protective Flat Window; t=4 mm VIS-NIR 400-1000nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 37-007 50 mm Dia. N-BK7 Precision Protective Flat Window; t=1 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 37-008 50 mm Dia. N-BK7 Precision Protective Flat Window; t=1 mm NIR I 600-1050nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 37-013 50 mm Dia. N-BK7 Precision Protective Flat Window; t=2 mm VIS 0 425-675nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 37-015 50 mm Dia. N-BK7 Precision Protective Flat Window; t=3 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 37-022 50 mm Dia. N-BK7 Precision Protective Flat Window; t=6 mm VIS-NIR 400-1000nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 45-576 15 mm Dia. N-BK7 Precision Protective Flat Window; t=3 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 49-632 12.5 x 12.5 mm N-BK7 Precision Protective Flat Window; t=3 mm VIS-NIR 400-1000nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Rectangular |
| 47-946 50.0 x 50.0 mm N-BK7 Precision Protective Flat Window; t=4 mm VIS 0 425-675nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Rectangular |
| 83-478 50.0 x 50.0 mm N-BK7 Precision Protective Flat Window; t=4 mm NIR I 600-1050nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Rectangular |
| 37-003 25 mm Dia. N-BK7 Precision Protective Flat Window; t=3 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 36-990 5 mm Dia. UVFS Round Protective Flat Window; t=1 mm VIS 0 425-675nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 45-808 10 mm Dia. UVFS Round Protective Flat Window; t=1 mm UV-AR 250-425nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-921 15 mm Dia. UVFS Round Protective Flat Window; t=2 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 37-004 25 mm Dia. N-BK7 Precision Protective Flat Window; t=3 mm NIR I 600-1050nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 45-661 25 mm Dia. N-BK7 Precision Protective Flat Window; t=4 mm VIS-NIR 400-1000nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 45-464 20 mm Dia. UVFS Round Protective Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 84-474 20 mm Dia. UVFS Round Protective Flat Window; t=2 mm UV-VIS 250-700nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 34-427 50 mm Dia. N-BK7 Precision Protective Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 37-010 50 mm Dia. N-BK7 Precision Protective Flat Window; t=1 mm VIS-NIR 400-1000nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 48-447 50 mm Dia. N-BK7 Precision Protective Flat Window; t=4 mm VIS-NIR 400-1000nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 45-584 50 mm Dia. N-BK7 Precision Protective Flat Window; t=4 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 37-021 50 mm Dia. N-BK7 Precision Protective Flat Window; t=6 mm VIS 0 425-675nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 49-643 25 mm Dia. UVFS Round Protective Flat Window; t=2 mm VIS-NIR 400-1000nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 62-606 75 mm Dia. N-BK7 Precision Protective Flat Window; t=4 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 45-813 30 mm Dia. UVFS Round Protective Flat Window; t=3 mm UV-AR 250-425nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 36-981 30 mm Dia. UVFS Round Protective Flat Window; t=3 mm NIR I 600-1050nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 49-620 10.0 x 10.0 mm N-BK7 Precision Protective Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Rectangular |
| 48-200 12.5 x 12.5 mm UVFS Protective Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 84-472 12.5 x 12.5 mm UVFS Protective Flat Window; t=2 mm UV-VIS 250-700nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 36-972 12.5 x 12.5 mm UVFS Protective Flat Window; t=2 mm VIS 0 425-675nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 49-627 10.0 x 10.0 mm N-BK7 Precision Protective Flat Window; t=2 mm VIS 0 425-675nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Rectangular |
| 49-623 10.0 x 10.0 mm N-BK7 Precision Protective Flat Window; t=2 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Rectangular |
| 36-979 25.0 x 25.0 mm UVFS Protective Flat Window; t=2 mm NIR I 600-1050nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 39-300 25.0 x 25.0 mm UVFS Protective Flat Window; t=2 mm NIR II 750-1550nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 49-648 50.0 x 50.0 mm UVFS Protective Flat Window; t=4 mm VIS-NIR 400-1000nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 39-304 50.0 x 50.0 mm UVFS Protective Flat Window; t=4 mm NIR II 750-1550nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 48-063 10 mm Dia. UVFS Round Protective Flat Window; t=1.25 mm UV-VIS 250-700nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 83-473 25.0 x 25.0 mm N-BK7 Precision Protective Flat Window; t=4 mm NIR I 600-1050nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Rectangular |
| 11-895 10 mm Dia. UVFS Round Protective Flat Window; t=1.25 mm NIR II 750-1550nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 47-193 12.5 mm Dia. UVFS Round Protective Flat Window; t=1.5 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 47-947 50.0 x 50.0 mm N-BK7 Precision Protective Flat Window; t=4 mm VIS-NIR 400-1000nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Rectangular |
| 68-487 12.5 mm Dia. UVFS Round Protective Flat Window; t=2 mm UV-AR 250-425nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 84-462 12.5 mm Dia. UVFS Round Protective Flat Window; t=2 mm NIR I 600-1050nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 84-469 5 mm Dia. UVFS Round Protective Flat Window; t=1 mm UV-VIS 250-700nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 45-308 10 mm Dia. UVFS Round Protective Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 45-810 15 mm Dia. UVFS Round Protective Flat Window; t=2 mm UV-AR 250-425nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 49-642 20 mm Dia. UVFS Round Protective Flat Window; t=2 mm VIS-NIR 400-1000nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 45-569 30 mm Dia. UVFS Round Protective Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 36-983 40 mm Dia. UVFS Round Protective Flat Window; t=4 mm NIR I 600-1050nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 39-302 40 mm Dia. UVFS Round Protective Flat Window; t=4 mm NIR II 750-1550nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 47-230 50 mm Dia. UVFS Round Protective Flat Window; t=4 mm Uncoated | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 36-985 50 mm Dia. UVFS Round Protective Flat Window; t=4 mm NIR I 600-1050nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 48-202 12.5 x 12.5 mm UVFS Protective Flat Window; t=2 mm UV-AR 250-425nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 39-296 12.5 x 12.5 mm UVFS Protective Flat Window; t=2 mm NIR II 750-1550nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 49-644 25.0 x 25.0 mm UVFS Protective Flat Window; t=2 mm VIS-NIR 400-1000nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 36-987 50.0 x 50.0 mm UVFS Protective Flat Window; t=4 mm NIR I 600-1050nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Rectangular |
| 48-062 5 mm Dia. UVFS Round Protective Flat Window; t=1 mm UV-VIS 250-700nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 11-897 12.5 mm Dia. UVFS Round Protective Flat Window; t=2 mm NIR II 750-1550nm | Optics | Window | Flat Window | Edmund Optics | UVFS | Circular |
| 45-257 12.5 mm Dia. N-BK7 Precision Protective Flat Window; t=3 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 45-659 15 mm Dia. N-BK7 Precision Protective Flat Window; t=3 mm VIS-NIR 400-1000nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 45-660 20 mm Dia. N-BK7 Precision Protective Flat Window; t=3 mm VIS-NIR 400-1000nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 36-999 25 mm Dia. N-BK7 Precision Protective Flat Window; t=2 mm NIR I 600-1050nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 45-258 25 mm Dia. N-BK7 Precision Protective Flat Window; t=4 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |
| 45-582 40 mm Dia. N-BK7 Precision Protective Flat Window; t=4 mm MgF2 400-700nm | Optics | Window | Flat Window | Edmund Optics | N-BK7 | Circular |