| OFPXP-80100R15-4 80 x 100 mm Hard Glass Rectangular Precision Polished Flat Window; t=15 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Rectangular |
| OFBP-50C08-10 50 mm Dia. N-BK7 Round Precision Polished Flat Window; t=8 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OFBP-50.8C08-10 50.8 mm Dia. N-BK7 Round Precision Polished Flat Window; t=8 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OFBP-30C05-4 30 mm Dia. N-BK7 Round Precision Polished Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OFSQ-20C06-20 20 mm Dia. UVFS Round Precision Ground Flat Window; t=6 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OFBP-25.4C05-10 25.4 mm Dia. N-BK7 Round Precision Polished Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OFB-15C03-10 15 mm Dia. N-BK7 Round Precision Ground Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OFBP-30C05-1 30 mm Dia. N-BK7 Round Precision Polished Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OFPXP-80C12-4 80 mm Dia. Hard Glass Round Precision Polished Flat Window; t=12 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OFPXP-150C20-1 150 mm Dia. Hard Glass Round Precision Polished Flat Window; t=20 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OFPXP-150C20-10 150 mm Dia. Hard Glass Round Precision Polished Flat Window; t=20 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| S-OFBP-40C06-10 40 mm Dia. N-BK7 Reasonable Round Optical Flat Window; t=6 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| S-OPB-30C03-10-5 30 mm Dia. N-BK7 Reasonable Round Optical Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| S-OPB-40C06-10-5 40 mm Dia. N-BK7 Reasonable Round Optical Flat Window; t=6 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| S-OFB-10S03-10 10 x 10 mm N-BK7 Reasonable Square Optical Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Rectangular |
| S-OFB-25S05-10 25 x 25 mm N-BK7 Reasonable Square Optical Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Rectangular |
| OPB-50.8C08-4-5 50.8 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=8 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-130C13-1-5 130 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=13 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-15C03-1-5 15 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-40C02-P 40 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-60C06-10-5 60 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=6 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-10C01-P 10 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-10C02-4-5 10 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-60C10-4-5 60 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=10 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-20C02-10-5 20 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-10C03-1-5 10 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OFPXP-40S06-10 40 x 40 mm Hard Glass Square Precision Polished Flat Window; t=6 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Rectangular |
| OFPXP-80S12-10 80 x 80 mm Hard Glass Square Precision Polished Flat Window; t=12 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Rectangular |
| OFPXP-150S20-4 150 x 150 mm Hard Glass Square Precision Polished Flat Window; t=20 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Rectangular |
| OFB-1015R03-4 10 x 15 mm N-BK7 Rectangular Precision Ground Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Rectangular |
| OFB-1525R05-20 15 x 25 mm N-BK7 Rectangular Precision Ground Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Rectangular |
| OFB-1015R05-4 10 x 15 mm N-BK7 Rectangular Precision Ground Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Rectangular |
| OFPXP-3040R06-20 30 x 40 mm Hard Glass Rectangular Precision Polished Flat Window; t=6 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Rectangular |
| OFSQP-40C08-20 40 mm Dia. UVFS Round Precision Polished Flat Window; t=8 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OFBP-25C05-10 25 mm Dia. N-BK7 Round Precision Polished Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OFPXP-60C10-20 60 mm Dia. Hard Glass Round Precision Polished Flat Window; t=10 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OFPXP-130C18-4 130 mm Dia. Hard Glass Round Precision Polished Flat Window; t=18 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| S-OFBP-50C08-10 50 mm Dia. N-BK7 Reasonable Round Optical Flat Window; t=8 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| S-OPB-25.4C03-10-5 25.4 mm Dia. N-BK7 Reasonable Round Optical Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| S-OPB-40C04-10-5 40 mm Dia. N-BK7 Reasonable Round Optical Flat Window; t=4 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-100C15-P 100 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=15 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-15C03-20-2 15 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-25C03-P 25 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-60C06-P 60 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=6 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-150C15-10-5 150 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=15 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-25.4C03-10-5 25.4 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-150C20-1-5 150 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=20 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-80C08-P 80 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=8 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-50C02-1-5 50 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-100C15-4-5 100 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=15 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-15C03-10-5 15 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-10C01-4-5 10 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-25C05-1-5 25 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-20C01-1-5 20 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-150C20-10-5 150 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=20 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-80C12-1-5 80 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=12 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-30C05-10-5 30 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-100C15-1-5 100 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=15 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-40C02-1-5 40 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-25C05-P 25 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-40C04-4-5 40 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=4 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-150C15-1-5 150 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=15 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-30C03-4-5 30 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-80C12-P 80 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=12 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-20C05-4-5 20 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-15C01-1-5 15 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-50C08-4-5 50 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=8 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-25C02-4-5 25 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-30C05-4-5 30 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPSQSP-50C05-10-5 50 mm Dia. UVFS Round Low Scattering Optical Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQSP-25.4C05-10-5 25.4 mm Dia. UVFS Round Low Scattering Optical Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-125C2.3-0.1-10 125 mm Dia. UVFS Round Optical Parallel Flat Window; t=2.3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-60C10-P 60 mm Dia. UVFS Round Optical Parallel Flat Window; t=10 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPB-40C06-P 40 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=6 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-50C08-20-2 50 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=8 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-150C15-4-5 150 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=15 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-80C08-4-5 80 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=8 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-150C20-P 150 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=20 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-80C12-20-2 80 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=12 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-10C05-4-5 10 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-100C10-4-5 100 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=10 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-12.7C05-4-5 12.7 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-25C02-10-5 25 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-30C05-P 30 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-25C03-1-5 25 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-60C03-P 60 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-60C10-10-5 60 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=10 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-80C08-1-5 80 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=8 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-12.7C03-4-5 12.7 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-30C04-10-5 30 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=4 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-25C01-1-5 25 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-100C15-10-5 100 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=15 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPB-15C02-4-5 15 mm Dia. N-BK7 Round Optical Parallel Flat Window; t=2 mm Uncoated | Optics | Window | Flat Window | OptoSigma | N-BK7 | Circular |
| OPSQ-50.8C08-10-5 50.8 mm Dia. UVFS Round Optical Parallel Flat Window; t=8 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-100C15-1-5 100 mm Dia. UVFS Round Optical Parallel Flat Window; t=15 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-10C01-10-5 10 mm Dia. UVFS Round Optical Parallel Flat Window; t=1 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-15C03-4-5 15 mm Dia. UVFS Round Optical Parallel Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-40C2.3-0.25-10 40 mm Dia. UVFS Round Optical Parallel Flat Window; t=2.3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-15C05-20-2 15 mm Dia. UVFS Round Optical Parallel Flat Window; t=5 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |
| OPSQ-10C03-4-5 10 mm Dia. UVFS Round Optical Parallel Flat Window; t=3 mm Uncoated | Optics | Window | Flat Window | OptoSigma | UVFS | Circular |