35-005 12.7 x 12.7 mm N-BK7 Imaging Grade Plano-Concave Cylindrical Lens; EFL=-50 mm NIR I 600-1050nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | N-BK7 |
34-992 12.7 x 12.7 mm N-BK7 Imaging Grade Plano-Concave Cylindrical Lens; EFL=-25 mm VIS 0 deg 425-675nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | N-BK7 |
34-761 25.4 x 25.4 mm N-BK7 Imaging Grade Plano-Concave Cylindrical Lens; EFL=-75 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | N-BK7 |
35-006 25.4 x 25.4 mm N-BK7 Imaging Grade Plano-Concave Cylindrical Lens; EFL=-50 mm NIR I 600-1050nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | N-BK7 |
35-019 25.4 x 25.4 mm N-BK7 Imaging Grade Plano-Concave Cylindrical Lens; EFL=-75 mm NIR II 750-1550nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | N-BK7 |
34-994 25.4 x 25.4 mm N-BK7 Imaging Grade Plano-Concave Cylindrical Lens; EFL=-50 mm VIS 0 deg 425-675nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | N-BK7 |
34-995 25.4 x 25.4 mm N-BK7 Imaging Grade Plano-Concave Cylindrical Lens; EFL=-75 mm VIS 0 deg 425-675nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | N-BK7 |
13-476 12.7 x 12.7 mm UVFS Laser Grade Laser Line Plano-Concave Cylindrical Lens; EFL=-25 mm Laser V-Coat 355nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | UVFS |
37-587 12.7 x 12.7 mm UVFS Laser Grade Laser Line Plano-Concave Cylindrical Lens; EFL=-50 mm Laser V-Coat 355nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | UVFS |
37-599 12.7 x 12.7 mm UVFS Laser Grade Laser Line Plano-Concave Cylindrical Lens; EFL=-50 mm Laser V-Coat 532nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | UVFS |
37-612 12.7 x 12.7 mm UVFS Laser Grade Laser Line Plano-Concave Cylindrical Lens; EFL=-50 mm Laser V-Coat 1064nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | UVFS |
37-601 25.4 x 25.4 mm UVFS Laser Grade Laser Line Plano-Concave Cylindrical Lens; EFL=-50 mm Laser V-Coat 532nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | UVFS |
37-613 25.4 x 25.4 mm UVFS Laser Grade Laser Line Plano-Concave Cylindrical Lens; EFL=-50 mm Laser V-Coat 1064nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | UVFS |
37-580 25.4 x 25.4 mm UVFS Laser Grade Laser Line Plano-Concave Cylindrical Lens; EFL=-75 mm Laser V-Coat 266nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | UVFS |
36-094 12.7 x 12.7 mm UVFS Laser Grade Broadband Plano-Concave Cylindrical Lens; EFL=-50 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | UVFS |
36-112 12.7 x 12.7 mm UVFS Laser Grade Broadband Plano-Concave Cylindrical Lens; EFL=-50 mm UV-VIS 250-700nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | UVFS |
36-103 12.7 x 12.7 mm UVFS Laser Grade Broadband Plano-Concave Cylindrical Lens; EFL=-50 mm VIS 0 deg 425-675nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | UVFS |
36-104 25.4 x 25.4 mm UVFS Laser Grade Broadband Plano-Concave Cylindrical Lens; EFL=-50 mm VIS 0 deg 425-675nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | UVFS |
36-123 25.4 x 25.4 mm UVFS Laser Grade Broadband Plano-Concave Cylindrical Lens; EFL=-50 mm NIR I 600-1050nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | UVFS |
36-114 25.4 x 25.4 mm UVFS Laser Grade Broadband Plano-Concave Cylindrical Lens; EFL=-75 mm UV-VIS 250-700nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | UVFS |
36-129 25.4 x 25.4 mm UVFS Laser Grade Broadband Plano-Concave Cylindrical Lens; EFL=-75 mm NIR I 600-1050nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | Edmund Optics | UVFS |
122-0105E 12.7 x 12.7 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-15 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | N-BK7 |
122-0205E 25.4 x 50.8 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-50 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | N-BK7 |
122-0215E 25.4 x 50.8 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-100 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | N-BK7 |
122-0219E 25.4 x 25.4 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-150 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | N-BK7 |
122-0225E 25.4 x 50.8 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-200 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | N-BK7 |
122-0226E 25.4 x 25.4 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-250 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | N-BK7 |
122-0229E 25.4 x 25.4 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-300 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | N-BK7 |
122-0235E 25.4 x 50.8 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-500 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | N-BK7 |
122-1104E 12.7 x 12.7 mm UVFS Plano-Concave Cylindrical Lens; EFL=-15 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | UVFS |
122-1105E 19.1 x 25.4 mm UVFS Plano-Concave Cylindrical Lens; EFL=-25 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | UVFS |
122-1205E 25.4 x 50.8 mm UVFS Plano-Concave Cylindrical Lens; EFL=-50 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | UVFS |
122-1209E 25.4 x 25.4 mm UVFS Plano-Concave Cylindrical Lens; EFL=-75 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | UVFS |
122-1210E 25.4 x 50.8 mm UVFS Plano-Concave Cylindrical Lens; EFL=-75 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | UVFS |
122-1220E 25.4 x 50.8 mm UVFS Plano-Concave Cylindrical Lens; EFL=-150 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | UVFS |
122-1225E 25.4 x 50.8 mm UVFS Plano-Concave Cylindrical Lens; EFL=-200 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | UVFS |
122-1230E 25.4 x 50.8 mm UVFS Plano-Concave Cylindrical Lens; EFL=-300 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | UVFS |
122-1234E 25.4 x 25.4 mm UVFS Plano-Concave Cylindrical Lens; EFL=-500 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | UVFS |
122-1235E 25.4 x 50.8 mm UVFS Plano-Concave Cylindrical Lens; EFL=-500 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | EKSMA Optics | UVFS |
CKV006AR.14 6.35 x 25.4 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-6.4 mm 430-700nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CKV012AR.14 0.5in x 1in N-BK7 Plano-Concave Cylindrical Lens; EFL=-12.7 mm 430-700nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CKV025AR.14 0.5in x 1in N-BK7 Plano-Concave Cylindrical Lens; EFL=-25 mm 430-700nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CKV100AR.14 25.4 x 50.8 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-100 mm 430-700nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CKV150AR.14 25.4 x 50.8 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-150 mm 430-700nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CKV006AR.16 6.35 x 25.4 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-6.4 mm 650-1000nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CKV012AR.16 12.7 x 25.4 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-12.7 mm 650-1000nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CKV025AR.16 0.5in x 1in N-BK7 Plano-Concave Cylindrical Lens; EFL=-25 mm 650-1000nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CKV200AR.16 25.4 x 50.8 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-200 mm 650-1000nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CKV025AR.18 0.5in x 1in N-BK7 Plano-Concave Cylindrical Lens; EFL=-25 mm 1000-1550nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CKV050AR.18 19 x 50.8 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-50 mm 1000-1550nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CKV075AR.18 25.4 x 50.8 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-75 mm 1000-1550nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CKV012AR.33 12.7 x 25.4 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-12.7 mm Laser V-Coat 1064nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CKV025AR.33 0.5in x 1in N-BK7 Plano-Concave Cylindrical Lens; EFL=-25 mm Laser V-Coat 1064nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CKV075AR.33 25.4 x 50.8 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-75 mm Laser V-Coat 1064nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CKV100AR.33 25.4 x 50.8 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-100 mm Laser V-Coat 1064nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CKV075 25.4 x 50.8 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-75 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CKV100 25.4 x 50.8 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-100 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | N-BK7 |
CSV100 1in x 2in UVFS Plano-Concave Cylindrical Lens; EFL=-100 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | UVFS |
CSV200 2in x 2in UVFS Plano-Concave Cylindrical Lens; EFL=-200 mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | UVFS |
CSV050AR.10 1in x 2in UVFS Plano-Concave Cylindrical Lens; EFL=-50.2 mm 245-440nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | UVFS |
CSV200AR.10 2in x 2in UVFS Plano-Concave Cylindrical Lens; EFL=-200 mm 245-440nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | UVFS |
CSV025AR.14 19.05 x 50.8 mm UVFS Plano-Concave Cylindrical Lens; EFL=-25.4 mm 430-700nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | UVFS |
CSV050AR.14 1in x 2in UVFS Plano-Concave Cylindrical Lens; EFL=-50.2 mm 430-700nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | UVFS |
CSV100AR.14 1in x 2in UVFS Plano-Concave Cylindrical Lens; EFL=-100 mm 430-700nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | UVFS |
CSV150AR.14 2in x 2in UVFS Plano-Concave Cylindrical Lens; EFL=-150 mm 430-700nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | UVFS |
CSV200AR.14 2in x 2in UVFS Plano-Concave Cylindrical Lens; EFL=-200 mm 430-700nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | UVFS |
CSV100AR.16 1in x 2in UVFS Plano-Concave Cylindrical Lens; EFL=-100 mm 650-1000nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | UVFS |
CSV200AR.16 2in x 2in UVFS Plano-Concave Cylindrical Lens; EFL=-200 mm 650-1000nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | UVFS |
CSV300AR.16 2in x 2in UVFS Plano-Concave Cylindrical Lens; EFL=-300 mm 650-1000nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | UVFS |
CSV025AR.33 19.05 x 50.8 mm UVFS Plano-Concave Cylindrical Lens; EFL=-25.4 mm Laser V-Coat 1064nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | UVFS |
CSV100AR.33 1in x 2in UVFS Plano-Concave Cylindrical Lens; EFL=-100 mm Laser V-Coat 1064nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | UVFS |
CSV150AR.33 2in x 2in UVFS Plano-Concave Cylindrical Lens; EFL=-150 mm Laser V-Coat 1064nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | UVFS |
CSV200AR.33 2in x 2in UVFS Plano-Concave Cylindrical Lens; EFL=-200 mm Laser V-Coat 1064nm | Optics | Lens | Cylindrical Lens (Plano-Concave) | MKS/Newport | UVFS |
RCC-40.0-25.4-50.9-UV 40 x 25.4 mm UVFS Laser Quality Plano-Concave Cylindrical Lens; EFL=-100mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | CVI Laser Optics | UVFS |
RCC-40.0-25.4-25.4-UV 40 x 25.4 mm UVFS Laser Quality Plano-Concave Cylindrical Lens; EFL=-50mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | CVI Laser Optics | UVFS |
RCC-12.7-6.4-5.1-UV 12.7 x 6.4 mm UVFS Laser Quality Plano-Concave Cylindrical Lens; EFL=-10mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | CVI Laser Optics | UVFS |
RCC-12.7-6.4-6.5-UV 12.7 x 6.4 mm UVFS Laser Quality Plano-Concave Cylindrical Lens; EFL=-12.7mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | CVI Laser Optics | UVFS |
SCC-25.4-63.6-UV 25.4 x 25.4 mm UVFS Laser Quality Plano-Concave Cylindrical Lens; EFL=-125mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | CVI Laser Optics | UVFS |
SCC-25.4-508.6-UV 25.4 x 25.4 mm UVFS Laser Quality Plano-Concave Cylindrical Lens; EFL=-1000mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | CVI Laser Optics | UVFS |
SCC-25.4-38.1-UV 25.4 x 25.4 mm UVFS Laser Quality Plano-Concave Cylindrical Lens; EFL=-75mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | CVI Laser Optics | UVFS |
SCC-25.4-152.6-UV 25.4 x 25.4 mm UVFS Laser Quality Plano-Concave Cylindrical Lens; EFL=-300mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | CVI Laser Optics | UVFS |
SCC-20.0-76.3-UV 20 x 20 mm UVFS Laser Quality Plano-Concave Cylindrical Lens; EFL=-150mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | CVI Laser Optics | UVFS |
SCC-25.4-30.5-UV 25.4 x 25.4 mm UVFS Laser Quality Plano-Concave Cylindrical Lens; EFL=-60mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | CVI Laser Optics | UVFS |
SCC-50.8-50.9-UV 50.8 x 50.8 mm UVFS Laser Quality Plano-Concave Cylindrical Lens; EFL=50.9mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | CVI Laser Optics | UVFS |
CLB-1010-20N 10 x 10 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-20mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | OptoSigma | N-BK7 |
CLB-1010-25N 10 x 10 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-25mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | OptoSigma | N-BK7 |
CLB-1010-30N 10 x 10 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-30mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | OptoSigma | N-BK7 |
CLB-1020-15N 10 x 20 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-15mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | OptoSigma | N-BK7 |
CLB-1020-20N 10 x 20 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-20mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | OptoSigma | N-BK7 |
CLB-1020-40N 10 x 20 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-40mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | OptoSigma | N-BK7 |
CLB-1515-25N 15 x 15 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-25mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | OptoSigma | N-BK7 |
CLB-1515-40N 15 x 15 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-40mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | OptoSigma | N-BK7 |
CLB-1525-20N 15 x 25 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-20mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | OptoSigma | N-BK7 |
CLB-1525-25N 15 x 25 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-25mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | OptoSigma | N-BK7 |
CLB-1525-40N 15 x 25 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-40mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | OptoSigma | N-BK7 |
CLB-2020-130N 20 x 20 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-130mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | OptoSigma | N-BK7 |
CLB-2020-150N 20 x 20 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-150mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | OptoSigma | N-BK7 |
CLB-2020-250N 20 x 20 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-250mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | OptoSigma | N-BK7 |
CLB-2020-25N 20 x 20 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-25mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | OptoSigma | N-BK7 |
CLB-2020-30N 20 x 20 mm N-BK7 Plano-Concave Cylindrical Lens; EFL=-30mm Uncoated | Optics | Lens | Cylindrical Lens (Plano-Concave) | OptoSigma | N-BK7 |