| KBC043 25.4 mm Dia. x -50 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC016AR.14 12.7 mm Dia. x -100 mm FL; AR coated; Double-Concave Lens 430-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC046 25.4 mm Dia. x -25 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC046AR.14 25.4 mm Dia. x -25 mm FL; AR coated; Double-Concave Lens 430-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC010AR.16 6.35 mm Dia. x -12.5 mm FL; NIR coated; Double-Concave Lens 650-1000nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC085 50.8 mm Dia. x -75 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC028AR.14 12.7 mm Dia. x -12.5 mm FL; AR coated; Double-Concave Lens 430-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC028AR.16 12.7 mm Dia. x -12.5 mm FL; NIR coated; Double-Concave Lens 650-1000nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC031AR.16 25.4 mm Dia. x -200 mm FL; NIR coated; Double-Concave Lens 650-1000nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC034AR.16 25.4 mm Dia. x -150 mm FL; NIR coated; Double-Concave Lens 650-1000nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC043AR.16 25.4 mm Dia. x -50 mm FL; NIR coated; Double-Concave Lens 650-1000nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC085AR.14 50.8 mm Dia. x -75 mm FL; AR coated; Double-Concave Lens 430-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC070AR.18 50.8 mm Dia. x -500 mm FL; IR coated; Double-Concave Lens 1000-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC016AR.33 12.7 mm Dia. x -100 mm FL; Double-Concave Lens Laser V-Coat 1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC019AR.33 12.7 mm Dia. x -75 mm FL; Double-Concave Lens Laser V-Coat 1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC022AR.16 12.7 mm Dia. x -50 mm FL; NIR coated; Double-Concave Lens 650-1000nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC040AR.16 25.4 mm Dia. x -75 mm FL; NIR coated; Double-Concave Lens 650-1000nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC076AR.16 50.8 mm Dia. x -200 mm FL; NIR coated; Double-Concave Lens 650-1000nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| HO-BVL25-1.2 25mm Dia. N-BK7 Double-Concave Lens; EFL=-30mm Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | Holmarc Opto-Mechatronics | N-BK7 | Circular |
| KBC025AR.33 12.7 mm Dia. x -25 mm FL; Double-Concave Lens Laser V-Coat 1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC043AR.33 25.4 mm Dia. x -50 mm FL; Double-Concave Lens Laser V-Coat 1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC070AR.33 50.8 mm Dia. x -500 mm FL; Double-Concave Lens Laser V-Coat 1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC079AR.33 50.8 mm Dia. x -150 mm FL; Double-Concave Lens Laser V-Coat 1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| BICV103 12.7 mm Dia. x -25 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | WTS Photonics | N-BK7 | Circular |
| BICV302 38 mm Dia. x -50 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | WTS Photonics | N-BK7 | Circular |
| BICV306 38 mm Dia. x -350 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | WTS Photonics | N-BK7 | Circular |
| BICV401 40 mm Dia. x -63.5 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | WTS Photonics | N-BK7 | Circular |
| LD1357-A N-BK7 Bi-Concave Lens; Dia:12.7 mm; f=-50.0 mm ARC 350-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | Thorlabs | N-BK7 | Circular |
| LD1613-A N-BK7 Bi-Concave Lens; Dia:25.4 mm; f=-100.0 mm ARC 350-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | Thorlabs | N-BK7 | Circular |
| LD1357-B N-BK7 Bi-Concave Lens; Dia:12.7 mm; f=-50.0 mm ARC 650-1050nm | Optics | Lens | Spherical Lens (Concave-Concave) | Thorlabs | N-BK7 | Circular |
| LD2297-C N-SF11 Bi-Concave Lens; Dia:25.4 mm; f=-25.0 mm ARC 1050-1700nm | Optics | Lens | Spherical Lens (Concave-Concave) | Thorlabs | N-SF11 | Circular |
| BICC-25.4/50.0UV 25.4 mm Dia. x -49 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | Laser Components | Fused Silica | Circular |
| BICC-25.4/75.0C 25.4 mm Dia. x -72 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | Laser Components | N-BK7 | Circular |
| 14BCV200-1-1 25.4 mm Dia. x -200 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | Standa | N-BK7 | Circular |
| 14BCV12.5-05-2 12.7 mm Dia. x 12.5 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | Standa | UVFS | Circular |
| 14BCV25-1-2 25.4 mm Dia. x 25 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | Standa | UVFS | Circular |
| 14BCV150-1-2 25.4 mm Dia. x 150 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | Standa | UVFS | Circular |
| SBC028AR.10 25.4 mm Dia. x -100 mm FL; AR coated; Double-Concave Lens 245-440nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | UVFS | Circular |
| SBC028AR.14 25.4 mm Dia. x -100 mm FL; AR coated; Double-Concave Lens 430-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | UVFS | Circular |
| SBC031AR.16 25.4 mm Dia. x -75 mm FL; NIR coated; Double-Concave Lens 650-1000nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | UVFS | Circular |
| SBC028AR.33 25.4 mm Dia. x -100 mm FL; Double-Concave Lens Laser V-Coat 1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | UVFS | Circular |
| KBC082 50.8 mm Dia. x -100 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| BICV108 12.7 mm Dia. x -100 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | WTS Photonics | N-BK7 | Circular |
| BICV206 25.4 mm Dia. x -100 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | WTS Photonics | N-BK7 | Circular |
| BICV208 25.4 mm Dia. x -150 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | WTS Photonics | N-BK7 | Circular |
| BICV214 25.4 mm Dia. x -1000 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | WTS Photonics | N-BK7 | Circular |
| BICV301 38 mm Dia. x -45 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | WTS Photonics | N-BK7 | Circular |
| BICV303 38 mm Dia. x -100 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | WTS Photonics | N-BK7 | Circular |
| BICV501 50 mm Dia. x -100 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | WTS Photonics | N-BK7 | Circular |
| BICV508 50 mm Dia. x -600 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | WTS Photonics | N-BK7 | Circular |
| BICV-FS06 12.7 mm Dia. x -30 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | WTS Photonics | Fused Silica | Circular |
| BICV-FS14 25.4 mm Dia. x -200 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | WTS Photonics | Fused Silica | Circular |
| LD1357 N-BK7 Bi-Concave Lens; Dia:12.7 mm; f=-50.0 mm Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | Thorlabs | N-BK7 | Circular |
| LD2297 N-SF11 Bi-Concave Lens; Dia:25.4 mm; f=-25.0 mm Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | Thorlabs | N-SF11 | Circular |
| LD2060-A N-SF11 Bi-Concave Lens; Dia:12.7 mm; f=-15.0 mm ARC 350-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | Thorlabs | N-SF11 | Circular |
| LD1170-B N-BK7 Bi-Concave Lens; Dia:25.4 mm; f=-75.0 mm ARC 650-1050nm | Optics | Lens | Spherical Lens (Concave-Concave) | Thorlabs | N-BK7 | Circular |
| LD1613-B N-BK7 Bi-Concave Lens; Dia:25.4 mm; f=-100.0 mm ARC 650-1050nm | Optics | Lens | Spherical Lens (Concave-Concave) | Thorlabs | N-BK7 | Circular |
| BICC-25.4/100.0UV 25.4 mm Dia. x -98 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | Laser Components | Fused Silica | Circular |
| BICC-12.7/50.0C 12.7 mm Dia. x -48 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | Laser Components | N-BK7 | Circular |
| BICC-50.8/200.0C 50.8 mm Dia. x -194 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | Laser Components | N-BK7 | Circular |
| BICC-25.4/400.0C 25.4 mm Dia. x -388 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | Laser Components | N-BK7 | Circular |
| 14BCV100-05-1 12.7 mm Dia. x -100 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | Standa | N-BK7 | Circular |
| 14BCV40-1-1 25.4 mm Dia. x -40 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | Standa | N-BK7 | Circular |
| 14BCV250-1-1 25.4 mm Dia. x -250 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | Standa | N-BK7 | Circular |
| 14BCV75-1-2 25.4 mm Dia. x 75 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | Standa | UVFS | Circular |
| SBC031AR.10 25.4 mm Dia. x -75 mm FL; AR coated; Double-Concave Lens 245-440nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | UVFS | Circular |
| SBC025AR.14 25.4 mm Dia. x -150 mm FL; AR coated; Double-Concave Lens 430-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | UVFS | Circular |
| SBC019AR.16 25.4 mm Dia. x -250 mm FL; NIR coated; Double-Concave Lens 650-1000nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | UVFS | Circular |
| KBC016 12.7 mm Dia. x -100 mm FL; Uncoated; Double-Concave Lens | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC022AR.14 12.7 mm Dia. x -50 mm FL; AR coated; Double-Concave Lens 430-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC025AR.14 12.7 mm Dia. x -25 mm FL; AR coated; Double-Concave Lens 430-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC043AR.14 25.4 mm Dia. x -50 mm FL; AR coated; Double-Concave Lens 430-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC073AR.16 50.8 mm Dia. x -250 mm FL; NIR coated; Double-Concave Lens 650-1000nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC082AR.16 50.8 mm Dia. x -100 mm FL; NIR coated; Double-Concave Lens 650-1000nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC037AR.18 25.4 mm Dia. x -100 mm FL; IR coated; Double-Concave Lens 1000-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC040AR.18 25.4 mm Dia. x -75 mm FL; IR coated; Double-Concave Lens 1000-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC082AR.18 50.8 mm Dia. x -100 mm FL; IR coated; Double-Concave Lens 1000-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC073AR.33 50.8 mm Dia. x -250 mm FL; Double-Concave Lens Laser V-Coat 1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| HO-BVL25-1.6 25mm Dia. N-BK7 Double-Concave Lens; EFL=-40mm Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | Holmarc Opto-Mechatronics | N-BK7 | Circular |
| KBC076AR.14 50.8 mm Dia. x -200 mm FL; AR coated; Double-Concave Lens 430-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC082AR.14 50.8 mm Dia. x -100 mm FL; AR coated; Double-Concave Lens 430-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC046AR.16 25.4 mm Dia. x -25 mm FL; NIR coated; Double-Concave Lens 650-1000nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC076AR.18 50.8 mm Dia. x -200 mm FL; IR coated; Double-Concave Lens 1000-1550nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| KBC013AR.33 6.35 mm Dia. x -6.3 mm FL; Double-Concave Lens Laser V-Coat 1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | MKS/Newport | N-BK7 | Circular |
| HO-BVL25-02 25mm Dia. N-BK7 Double-Concave Lens; EFL=-50mm Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | Holmarc Opto-Mechatronics | N-BK7 | Circular |
| HO-BVL25-12 25mm Dia. N-BK7 Double-Concave Lens; EFL=-300mm Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | Holmarc Opto-Mechatronics | N-BK7 | Circular |
| HO-BVL50-10C 50mm Dia. N-BK7 Double-Concave Lens; EFL=-500mm Single Layer MgF2 | Optics | Lens | Spherical Lens (Concave-Concave) | Holmarc Opto-Mechatronics | N-BK7 | Circular |
| HO-BVL25-12B 25mm Dia. N-BK7 Double-Concave Lens; EFL=-300mm BBAR 400-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | Holmarc Opto-Mechatronics | N-BK7 | Circular |
| G313249000 40 mm Dia. N-BK7 Double-Concave Lens; EFL=-500mm Uncoated | Optics | Lens | Spherical Lens (Concave-Concave) | Qioptiq Photonics | N-BK7 | Circular |
| G313216322 22.4 mm Dia. N-BK7 Double-Concave Lens; EFL=-100mm 450-700nm | Optics | Lens | Spherical Lens (Concave-Concave) | Qioptiq Photonics | N-BK7 | Circular |
| G313374525 12.7 mm Dia. N-BK7 Double-Concave Lens; EFL=-50mm 725-1050nm | Optics | Lens | Spherical Lens (Concave-Concave) | Qioptiq Photonics | N-BK7 | Circular |
| G313374329 12.7 mm Dia. N-BK7 Double-Concave Lens; EFL=-50mm 1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | Qioptiq Photonics | N-BK7 | Circular |
| G313214329 22.4 mm Dia. N-BK7 Double-Concave Lens; EFL=-40mm 1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | Qioptiq Photonics | N-BK7 | Circular |
| G313215329 22.4 mm Dia. N-BK7 Double-Concave Lens; EFL=-50mm 1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | Qioptiq Photonics | N-BK7 | Circular |
| G313217329 22.4 mm Dia. N-BK7 Double-Concave Lens; EFL=-150mm 1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | Qioptiq Photonics | N-BK7 | Circular |
| G313375331 12.7 mm Dia. N-BK7 Double-Concave Lens; EFL=-100mm | Optics | Lens | Spherical Lens (Concave-Concave) | Qioptiq Photonics | N-BK7 | Circular |
| G313205331 22.4 mm Dia. N-BK7 Double-Concave Lens; EFL=-20mm | Optics | Lens | Spherical Lens (Concave-Concave) | Qioptiq Photonics | N-BK7 | Circular |
| G313214400 22.4 mm Dia. N-BK7 Double-Concave Lens; EFL=-40mm | Optics | Lens | Spherical Lens (Concave-Concave) | Qioptiq Photonics | N-BK7 | Circular |
| G313331525 22.4 mm Dia. UVFS Double-Concave Lens; EFL=-30mm | Optics | Lens | Spherical Lens (Concave-Concave) | Qioptiq Photonics | UVFS | Circular |
| G313330329 22.4 mm Dia. UVFS Double-Concave Lens; EFL=-20mm 1064nm | Optics | Lens | Spherical Lens (Concave-Concave) | Qioptiq Photonics | UVFS | Circular |