| 63-721-INK 10 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=40mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 63-722 10 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=50mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 63-722-INK 10 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=50mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 63-723 10 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=100mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 63-723-INK 10 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=100mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-321 12.5 mm Dia. N-BAF10/N-SF5 Achromatic Doublet; EFL=14mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF5 | Circular |
| 63-724 12.5 mm Dia. N-LAK22/N-SF6 Achromatic Doublet; EFL=15mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-LAK22, N-SF6 | Circular |
| 63-724-INK 12.5 mm Dia. N-LAK22/N-SF6 Achromatic Doublet; EFL=15mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-LAK22, N-SF6 | Circular |
| 49-952-INK 12.5 mm Dia. N-BAF10/N-SF57 Achromatic Doublet; EFL=17.5mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF57 | Circular |
| 49-322 12.5 mm Dia. S-BAH11/N-SF10 Achromatic Doublet; EFL=20mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | S-BAH11, N-SF10 | Circular |
| 49-323 12.5 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=25mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF10 | Circular |
| 49-323-INK 12.5 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=25mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF10 | Circular |
| 49-324 12.5 mm Dia. N-SSK8/N-SF10 Achromatic Doublet; EFL=30mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-SSK8, N-SF10 | Circular |
| 49-324-INK 12.5 mm Dia. N-SSK8/N-SF10 Achromatic Doublet; EFL=30mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-SSK8, N-SF10 | Circular |
| 49-326-INK 12.5 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=40mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-328 12.5 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=50mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-329 12.5 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=60mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-332-INK 12.5 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=90mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-333 12.5 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=100mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-333-INK 12.5 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=100mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-784-INK 12.7 mm Dia. N-BAF10/N-SF57 Achromatic Doublet; EFL=15mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF57 | Circular |
| 49-785 12.7 mm Dia. N-BAF10/N-SF6 Achromatic Doublet; EFL=19.1mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF6 | Circular |
| 49-785-INK 12.7 mm Dia. N-BAF10/N-SF6 Achromatic Doublet; EFL=19.1mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF6 | Circular |
| 49-786-INK 12.7 mm Dia. N-SSK8/N-SF56 Achromatic Doublet; EFL=25.4mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-SSK8, N-SF56 | Circular |
| 49-787 12.7 mm Dia. N-SSK8/N-SF56 Achromatic Doublet; EFL=31.75mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-SSK8, N-SF56 | Circular |
| 49-788 12.7 mm Dia. N-SSK8/N-SF56 Achromatic Doublet; EFL=38.1mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-SSK8, N-SF56 | Circular |
| 49-790 12.7 mm Dia. N-BAK1/N-SF15 Achromatic Doublet; EFL=50.8mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAK1, N-SF15 | Circular |
| 49-953 15 mm Dia. N-BAF10/N-SF57 Achromatic Doublet; EFL=20mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF57 | Circular |
| 49-953-INK 15 mm Dia. N-BAF10/N-SF57 Achromatic Doublet; EFL=20mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF57 | Circular |
| 49-334 15 mm Dia. S-BAH11/N-SF10 Achromatic Doublet; EFL=25mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | S-BAH11, N-SF10 | Circular |
| 49-334-INK 15 mm Dia. S-BAH11/N-SF10 Achromatic Doublet; EFL=25mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | S-BAH11, N-SF10 | Circular |
| 49-337 15 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=50mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-954-INK 15 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=60mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-339 18 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=27mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF10 | Circular |
| 49-340 18 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=30mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF10 | Circular |
| 49-341 18 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=35mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF10 | Circular |
| 49-341-INK 18 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=35mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF10 | Circular |
| 49-342 18 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=40mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF10 | Circular |
| 49-342-INK 18 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=40mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF10 | Circular |
| 49-343 18 mm Dia. N-SSK8/N-SF10 Achromatic Doublet; EFL=50mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-SSK8, N-SF10 | Circular |
| 49-343-INK 18 mm Dia. N-SSK8/N-SF10 Achromatic Doublet; EFL=50mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-SSK8, N-SF10 | Circular |
| 49-347 18 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=125mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-956 20 mm Dia. N-BAF10/N-SF6 Achromatic Doublet; EFL=25mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF6 | Circular |
| 49-956-INK 20 mm Dia. N-BAF10/N-SF6 Achromatic Doublet; EFL=25mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF6 | Circular |
| 49-348-INK 20 mm Dia. S-BAH11/N-SF10 Achromatic Doublet; EFL=30mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | S-BAH11, N-SF10 | Circular |
| 49-349-INK 20 mm Dia. S-BAH11/N-SF10 Achromatic Doublet; EFL=35mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | S-BAH11, N-SF10 | Circular |
| 49-350 20 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=40mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF10 | Circular |
| 49-957-INK 20 mm Dia. N-SSK8/N-SF56 Achromatic Doublet; EFL=50mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-SSK8, N-SF56 | Circular |
| 49-351 20 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=60mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-958 20 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=80mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-958-INK 20 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=80mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-352-INK 25 mm Dia. N-BAF10/N-SF10 Achromatic Doublet; EFL=30mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF10 | Circular |
| 49-353 25 mm Dia. S-BAH11/N-SF10 Achromatic Doublet; EFL=35mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | S-BAH11, N-SF10 | Circular |
| 49-353-INK 25 mm Dia. S-BAH11/N-SF10 Achromatic Doublet; EFL=35mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | S-BAH11, N-SF10 | Circular |
| 49-354 25 mm Dia. S-BAH11/N-SF10 Achromatic Doublet; EFL=40mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | S-BAH11, N-SF10 | Circular |
| 49-354-INK 25 mm Dia. S-BAH11/N-SF10 Achromatic Doublet; EFL=40mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | S-BAH11, N-SF10 | Circular |
| 49-355 25 mm Dia. N-SK11/N-SF5 Achromatic Doublet; EFL=45mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-SK11, N-SF5 | Circular |
| 49-357 25 mm Dia. N-SSK8/N-SF10 Achromatic Doublet; EFL=60mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-SSK8, N-SF10 | Circular |
| 49-358 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=75mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-359 25 mm Dia. N-SK11/N-SF5 Achromatic Doublet; EFL=85mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-SK11, N-SF5 | Circular |
| 49-360 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=100mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-361-INK 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=125mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-363 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=175mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-363-INK 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=175mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-364 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=200mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-364-INK 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=200mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-367-INK 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=275mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-368 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=300mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-368-INK 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=300mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-369 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=400mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-370 25 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=500mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BK7, N-SF5 | Circular |
| 49-791 25.4 mm Dia. N-BAF10/N-SF6 Achromatic Doublet; EFL=38.1mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF6 | Circular |
| 49-793-INK 25.4 mm Dia. N-SSK8/N-SF56 Achromatic Doublet; EFL=63.5mm VIS-NIR 400-1000nm | Optics | Lens | Multiplets | Edmund Optics | N-SSK8, N-SF56 | Circular |
| TRS127-020-A 12.7 mm Dia. N-SF8/N-BAF52 Unmounted Steinheil Achromatic Triplet; EFL=20mm 400-700nm | Optics | Lens | Multiplets | Thorlabs | N-SF8, N-BAF52, N-SF8 | Circular |
| TRS254-040-A 25.4 mm Dia. N-F2/N-K5 Unmounted Steinheil Achromatic Triplet; EFL=40mm 400-700nm | Optics | Lens | Multiplets | Thorlabs | N-F2, N-K5, N-F2 | Circular |
| TRH127-020-A 12.7 mm Dia. N-SF5/N-K5 Unmounted Hastings Achromatic Triplet; EFL=20mm 400-700nm | Optics | Lens | Multiplets | Thorlabs | N-SF5, N-K5, N-SF5 | Circular |
| TRH254-040-A-ML 25.4 mm Dia. N-F2/N-K5 Mounted Hastings Achromatic Triplet; EFL=40mm 400-700nm | Optics | Lens | Multiplets | Thorlabs | N-F2, N-K5, N-F2 | Circular |
| 45-251 12.5 mm Dia. N-F2/N-BK7/N-F2 Hastings Achromatic Triplet; EFL=20mm MgF2 400-700nm | Optics | Lens | Multiplets | Edmund Optics | N-F2, N-BK7, N-F2 | Circular |
| 30-120 15 mm Dia. N-F2/N-BK7/N-F2 Hastings Achromatic Triplet; EFL=25.4mm MgF2 400-700nm | Optics | Lens | Multiplets | Edmund Optics | N-F2, N-BK7, N-F2 | Circular |
| 30-229 23 mm Dia. N-F2/N-BK7/N-F2 Hastings Achromatic Triplet; EFL=40.3mm MgF2 400-700nm | Optics | Lens | Multiplets | Edmund Optics | N-F2, N-BK7, N-F2 | Circular |
| 47-673 6.25 mm Dia. N-BASF64/N-BK7/N-BASF64 Steinheil Achromatic Triplet; EFL=12.5mm MgF2 400-700nm | Optics | Lens | Multiplets | Edmund Optics | N-BASF64, N-BK7, N-BASF64 | Circular |
| 47-674 9 mm Dia. N-BASF64/N-BK7/N-BASF64 Steinheil Achromatic Triplet; EFL=18mm MgF2 400-700nm | Optics | Lens | Multiplets | Edmund Optics | N-BASF64, N-BK7, N-BASF64 | Circular |
| 12-922 12.5 mm Dia. N-BAF10/N-SF57 Mounted Achromatic Doublet; EFL=14mm MgF2 400-700nm | Optics | Lens | Multiplets | Edmund Optics | N-BAF10, N-SF57 | Circular |
| BICC-25.4-154.9-UV 25.4 mm Dia. UVFS Laser Grade Concave-Concave Lens; EFL=-150mm Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | CVI Laser Optics | UVFS | Circular |
| BICC-25.4-206.4-UV 25.4 mm Dia. UVFS Laser Grade Concave-Concave Lens; EFL=-200mm Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | CVI Laser Optics | UVFS | Circular |
| BICC-50.8-154.9-UV 50.8 mm Dia. UVFS Laser Grade Concave-Concave Lens; EFL=-150mm Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | CVI Laser Optics | UVFS | Circular |
| BICC-50.0-51.8-UV 50 mm Dia. UVFS Laser Grade Concave-Concave Lens; EFL=-50mm Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | CVI Laser Optics | UVFS | Circular |
| BICC-25.4-51.8-UV 25.4 mm Dia. UVFS Laser Grade Concave-Concave Lens; EFL=-50mm Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | CVI Laser Optics | UVFS | Circular |
| BICC-20.0-20.9-C 20 mm Dia. N-BK7 Laser Grade Concave-Concave Lens; EFL=-20mm Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | CVI Laser Optics | N-BK7 | Circular |
| HO-BVL25-1.2C 25mm Dia. N-BK7 Double-Concave Lens; EFL=-30mm Single Layer MgF2 | Optics | Lens | Spherical Lens (Concave-Concave) | Holmarc Opto-Mechatronics | N-BK7 | Circular |
| LDX-50.0-49.0-C 50 mm Dia. N-BK7 Image Grade Convex-Convex Lens; EFL=50mm Uncoated | Optics | Lens | Spherical Lens (Convex-Convex) | CVI Laser Optics | N-BK7 | Circular |
| LDX-38.1-37.3-C 38.1 mm Dia. N-BK7 Image Grade Convex-Convex Lens; EFL=38.1mm Uncoated | Optics | Lens | Spherical Lens (Convex-Convex) | CVI Laser Optics | N-BK7 | Circular |
| LDX-5.0-9.9-C 5 mm Dia. N-BK7 Image Grade Convex-Convex Lens; EFL=10mm Uncoated | Optics | Lens | Spherical Lens (Convex-Convex) | CVI Laser Optics | N-BK7 | Circular |
| LDX-25.4-91.6-C 25.4 mm Dia. N-BK7 Image Grade Convex-Convex Lens; EFL=88.9mm Uncoated | Optics | Lens | Spherical Lens (Convex-Convex) | CVI Laser Optics | N-BK7 | Circular |
| LDX-25.0-51.0-C 25 mm Dia. N-BK7 Image Grade Convex-Convex Lens; EFL=50mm Uncoated | Optics | Lens | Spherical Lens (Convex-Convex) | CVI Laser Optics | N-BK7 | Circular |
| PLCC-10.0-7.7-SF11 10 mm Dia. N-SF11 Laser Grade Plano-Concave Lens; EFL=-10mm Uncoated | Optics | Lens | Spherical Lens (Plano-Concave) | CVI Laser Optics | N-SF11 | Circular |
| LPK-8.0-7.8-C 8 mm Dia. N-BK7 Image Grade Plano-Concave Lens; EFL=-15mm Uncoated | Optics | Lens | Spherical Lens (Plano-Concave) | CVI Laser Optics | N-BK7 | Circular |
| LPK-25.0-51.9-C 25 mm Dia. N-BK7 Image Grade Plano-Concave Lens; EFL=-100mm Uncoated | Optics | Lens | Spherical Lens (Plano-Concave) | CVI Laser Optics | N-BK7 | Circular |
| LPK-25.0-259.4-C 25 mm Dia. N-BK7 Image Grade Plano-Concave Lens; EFL=-500mm Uncoated | Optics | Lens | Spherical Lens (Plano-Concave) | CVI Laser Optics | N-BK7 | Circular |
| LPK-25.0-25.9-C 25 mm Dia. N-BK7 Image Grade Plano-Concave Lens; EFL=-50mm Uncoated | Optics | Lens | Spherical Lens (Plano-Concave) | CVI Laser Optics | N-BK7 | Circular |