| L-BCC123 50.8 mm Dia. Double-Concave Lens; EFL=-500mm Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | Ross Optical | N-BK7 |
| L-BCC124 63.5 mm Dia. Double-Concave Lens; EFL=-300mm Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | Ross Optical | N-BK7 |
| LB11-12-20 12.7 mm Dia. N-BK7 Double-Concave Lens; EFL=-20mm Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | CeNing Optics | N-BK7 |
| LB11-12-40 12.7 mm Dia. N-BK7 Double-Concave Lens; EFL=-40mm Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | CeNing Optics | N-BK7 |
| SLB-25.4B-70N 25.4 mm Dia. x -69.7 mm FL; Double-Concave Lens Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25.4B-100N 25.4 mm Dia. x -99.7 mm FL; Double-Concave Lens Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-30B-35N 30.0 mm Dia. x -34.7 mm FL; Double-Concave Lens Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-50B-60N 50.0 mm Dia. x -59.5 mm FL; Double-Concave Lens Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-50.8B-200N 50.8 mm Dia. x -199.5 mm FL; Double-Concave Lens Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLSQ-10B-15N 10.0 mm Dia. x -14.7 mm FL; Double-Concave Lens Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | Fused Silica |
| SLSQ-20B-20N 20.0 mm Dia. x -19.7 mm FL; Double-Concave Lens Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | Fused Silica |
| SLSQ-25.4B-30N 25.4 mm Dia. x -29.7 mm FL; Double-Concave Lens Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | Fused Silica |
| SLSQ-25.4B-50N 25.4 mm Dia. x -49.7 mm FL; Double-Concave Lens Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | Fused Silica |
| SLSQ-25.4B-90N 25.4 mm Dia. x -89.7 mm FL; Double-Concave Lens Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | Fused Silica |
| SLSQ-30B-30N 30.0 mm Dia. x -29.7 mm FL; Double-Concave Lens Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | Fused Silica |
| SLSQ-30B-70N 30.0 mm Dia. x -69.7 mm FL; Double-Concave Lens Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | Fused Silica |
| SLSQ-30B-100N 30.0 mm Dia. x -99.7 mm FL; Double-Concave Lens Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | Fused Silica |
| SLSQ-50B-70N 50.0 mm Dia. x -69.5 mm FL; Double-Concave Lens Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | Fused Silica |
| SLSQ-50.8B-300N 50.8 mm Dia. x -299.5 mm FL; Double-Concave Lens Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | Fused Silica |
| SLB-10B-15NM 10.0 mm Dia. x -14.7 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-10B-30NM 10.0 mm Dia. x -29.7 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-10B-50NM 10.0 mm Dia. x -49.7 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-15B-50NM 15.0 mm Dia. x -49.7 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25B-30NM 25.0 mm Dia. x -29.7 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25.4B-30NM 25.4 mm Dia. x -29.7 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25.4B-150NM 25.4 mm Dia. x -149.7 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-15B-25NM 15.0 mm Dia. x -24.7 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-15B-40NM 15.0 mm Dia. x -39.7 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25B-40NM 25.0 mm Dia. x -39.7 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25B-80NM 25.0 mm Dia. x -79.7 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25.4B-70NM 25.4 mm Dia. x -69.7 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-40B-100NM 40.0 mm Dia. x -99.7 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-50.8B-300NM 50.8 mm Dia. x -299.5 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-10B-10NIR1 10.0 mm Dia. x -9.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-15B-25NIR1 15.0 mm Dia. x -24.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25.4B-60NIR1 25.4 mm Dia. x -59.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25.4B-70NIR1 25.4 mm Dia. x -69.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-30B-30NIR1 30.0 mm Dia. x -29.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-30B-35NIR1 30.0 mm Dia. x -34.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25.4B-200NM 25.4 mm Dia. x -199.7 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-30B-40NM 30.0 mm Dia. x -39.7 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-50.8B-50NM 50.8 mm Dia. x -49.5 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-50.8B-200NM 50.8 mm Dia. x -199.5 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-50.8B-250NM 50.8 mm Dia. x -249.5 mm FL; Coated; Double-Concave Lens 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-10B-30NIR1 10.0 mm Dia. x -29.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-15B-15NIR1 15.0 mm Dia. x -14.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-20B-20NIR1 20.0 mm Dia. x -19.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-20B-25NIR1 20.0 mm Dia. x -24.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25B-60NIR1 25.0 mm Dia. x -59.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25.4B-100NIR1 25.4 mm Dia. x -99.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-10B-20NIR1 10.0 mm Dia. x -19.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-10B-50NIR1 10.0 mm Dia. x -49.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25B-70NIR1 25.0 mm Dia. x -69.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25.4B-25NIR1 25.4 mm Dia. x -24.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25.4B-40NIR1 25.4 mm Dia. x -39.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-30B-100NIR1 30.0 mm Dia. x -99.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-40B-50NIR1 40.0 mm Dia. x -49.7 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-50B-50NIR1 50.0 mm Dia. x -49.5 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-50.8B-150NIR1 50.8 mm Dia. x -149.5 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-50.8B-250NIR1 50.8 mm Dia. x -249.5 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-50.8B-300NIR1 50.8 mm Dia. x -299.5 mm FL; Coated; Double-Concave Lens 633-1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-20B-20NIR2 20.0 mm Dia. x -19.7 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-10B-15NIR2 10.0 mm Dia. x -14.7 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-10B-25NIR2 10.0 mm Dia. x -24.7 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-10B-40NIR2 10.0 mm Dia. x -39.7 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-20B-25NIR2 20.0 mm Dia. x -24.7 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25B-30NIR2 25.0 mm Dia. x -29.7 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25B-80NIR2 25.0 mm Dia. x -79.7 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25.4B-30NIR2 25.4 mm Dia. x -29.7 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-10B-10NIR2 10.0 mm Dia. x -9.7 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-10B-20NIR2 10.0 mm Dia. x -19.7 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-15B-25NIR2 15.0 mm Dia. x -24.7 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-20B-30NIR2 20.0 mm Dia. x -29.7 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-15B-50NIR2 15.0 mm Dia. x -49.7 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-20B-40NIR2 20.0 mm Dia. x -39.7 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-20B-50NIR2 20.0 mm Dia. x -49.7 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-30B-40NIR2 30.0 mm Dia. x -39.7 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-25.4B-80NIR2 25.4 mm Dia. x -79.7 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| SLB-50B-60NIR2 50.0 mm Dia. x -59.5 mm FL; Coated; Double-Concave Lens 750-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | OptoSigma | N-BK7 |
| LD7902-E3 25.4 mm Dia. ZnSe Double-Concave Lens; EFL=-200mm 7-12µm | Optics | Lens | Spherical Lens (Concave-Concave) | Thorlabs | ZnSe |
| LF4986 25.4 mm Dia. UVFS Negative Meniscus Lens; EFL=-1000mm Uncoated | Optics | Lens | Spherical Lens (Concave-Convex) | Thorlabs | UVFS |
| LF5067-E 12.7 mm Dia. CaF2 Negative Meniscus Lens; EFL=-20mm 2-5µm | Optics | Lens | Spherical Lens (Concave-Convex) | Thorlabs | CaF2 |
| LF5154-E 12.7 mm Dia. CaF2 Negative Meniscus Lens; EFL=-80mm 2-5µm | Optics | Lens | Spherical Lens (Concave-Convex) | Thorlabs | CaF2 |
| LF5515-E 25.4 mm Dia. CaF2 Negative Meniscus Lens; EFL=-100mm 2-5µm | Optics | Lens | Spherical Lens (Concave-Convex) | Thorlabs | CaF2 |
| LF5807-E 25.4 mm Dia. CaF2 Negative Meniscus Lens; EFL=-750mm 2-5µm | Optics | Lens | Spherical Lens (Concave-Convex) | Thorlabs | CaF2 |
| LF5394-E 25.4 mm Dia. CaF2 Negative Meniscus Lens; EFL=-1000mm 2-5µm | Optics | Lens | Spherical Lens (Concave-Convex) | Thorlabs | CaF2 |
| LF1015 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-300mm Uncoated | Optics | Lens | Spherical Lens (Concave-Convex) | Thorlabs | N-BK7 |
| LF1015-A 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-300mm 350-700nm | Optics | Lens | Spherical Lens (Concave-Convex) | Thorlabs | N-BK7 |
| MNN203 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-200mm Uncoated | Optics | Lens | Spherical Lens (Concave-Convex) | WTS Photonics | N-BK7 |
| MNN204 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-250mm Uncoated | Optics | Lens | Spherical Lens (Concave-Convex) | WTS Photonics | N-BK7 |
| LM11-25-100 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-100mm Uncoated | Optics | Lens | Spherical Lens (Concave-Convex) | CeNing Optics | N-BK7 |
| LM11-25-600 25.4 mm Dia. N-BK7 Negative Meniscus Lens; EFL=-600mm Uncoated | Optics | Lens | Spherical Lens (Concave-Convex) | CeNing Optics | N-BK7 |
| LF7601-F 25.4 mm Dia. ZnSe Negative Meniscus Lens; EFL=-50mm 8-12µm | Optics | Lens | Spherical Lens (Concave-Convex) | Thorlabs | ZnSe |
| LE4329 25.4 mm Dia. UVFS Positive Meniscus Lens; EFL=300mm Uncoated | Optics | Lens | Spherical Lens (Convex-Concave) | Thorlabs | UVFS |
| LE5382 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=150mm Uncoated | Optics | Lens | Spherical Lens (Convex-Concave) | Thorlabs | CaF2 |
| LE5801-E 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=50mm 2-5µm | Optics | Lens | Spherical Lens (Convex-Concave) | Thorlabs | CaF2 |
| LE5990-E 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=500mm 2-5µm | Optics | Lens | Spherical Lens (Convex-Concave) | Thorlabs | CaF2 |
| LE5656-E 25.4 mm Dia. CaF2 Positive Meniscus Lens; EFL=750mm 2-5µm | Optics | Lens | Spherical Lens (Convex-Concave) | Thorlabs | CaF2 |
| LE1156-C 25.4 mm Dia. N-BK7 Positive Meniscus Lens; EFL=125mm 1050-1700nm | Optics | Lens | Spherical Lens (Convex-Concave) | Thorlabs | N-BK7 |
| LE1929-B 25.4 mm Dia. N-BK7 Positive Meniscus Lens; EFL=300mm 650-1050nm | Optics | Lens | Spherical Lens (Convex-Concave) | Thorlabs | N-BK7 |