Unmounted N-BK7 Plano-Concave Lenses, Uncoated
Our LINOS® Plano-concave lenses are available in a wide range of focal lengths and diameters, allowing you to select the best option for your application. We use only premium materials from trusted manufacturers and maintain strict tolerances to ensure exceptional quality. Each lens type is offered both unmounted and with a high-quality, black-anodized, engraved aluminum mount.
Our plano-concave lenses are supplied unmounted for flexible integration into your optical system. Their narrow focal-length tolerances ensure consistent performance and reliable optical behavior. These lenses deliver precise results in applications requiring controlled beam divergence. Uncoated N-BK7 singlets are suitable for a broad wavelength range.
ZEMAX files support fast and accurate optical design and simulation. For customized or larger-scale orders, contact us to request for a quotation tailored to your requirements.
Note: f = focal length (object side), f' = focal length (image side) , s = object distance, s' = back focal length, Ø = lens diameter, dm = center thickness, dr = edge thickness, h = primary vertex (h=dm-dr-h'), F, F' = focal points, H, H' = principal points; Tolerances: focal length f: ±2% image distance s': ±2%
| Product | Plano-Conc. lens; N-BK 7; D=22.4; F=-150 | Plano-Conc. lens; N-BK 7; D=22.4; F=-100 | Plano-Conc. lens; N-BK 7; D=6; F=-6 | Plano-Conc. lens; N-BK 7; D=8; F=-8 | Plano-Conc. lens; N-BK 7; D=12.7; F=-50 | Plano-Conc. lens; N-BK 7; D=12.7; F=-30 | Plano-Conc. lens; N-BK 7; D=12.7; F=-500 | Plano-Conc. lens; N-BK 7; D=22.4; F=-50 | Plano-Conc. lens; N-BK 7; D=25.4; F=-200 | Plano-Conc. lens; N-BK 7; D=6; F=-10 | Plano-Conc. lens; N-BK 7; D=10; F=-16 | Plano-Conc. lens; N-BK 7; D=10; F=-10 | Plano-Conc. lens; N-BK 7; D=12.7; F=-200 | Plano-Conc. lens; N-BK 7; D=12.7; F=-100 | Plano-Conc. lens; N-BK 7; D=22.4; F=-40 | Plano-Conc. lens; N-BK 7; D=25.4; F=-100 | Plano-Conc. lens; N-BK 7; D=25.4; F=-50 | Plano-Conc. lens; N-BK 7; D=25.4; F=-1000 | Plano-Conc. lens; N-BK 7; D=25.4; F=-500 |
| Optic Size | Ø 22.4 mm | Ø 22.4 mm | Ø 6.0 mm | Ø 8.0 mm | Ø 12.7 mm | Ø 12.7 mm | Ø 12.7 mm | Ø 22.4 mm | Ø 25.4 mm | Ø 6.0 mm | Ø 10.0 mm | Ø 10.0 mm | Ø 12.7 mm | Ø 12.7 mm | Ø 22.4 mm | Ø 25.4 mm | Ø 25.4 mm | Ø 25.4 mm | Ø 25.4 mm |
| Focal Length (+/-) | -150.0 mm | -100.0 mm | -6.0 mm | -8.0 mm | -50.0 mm | -30.0 mm | -500.0 mm | -50.0 mm | -200.0 mm | -10.0 mm | -16.0 mm | -10.0 mm | -200.0 mm | -100.0 mm | -40.0 mm | -100.0 mm | -50.0 mm | -1000.0 mm | -500.0 mm |
| Optic Substrate | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 |
| Optic Center Thickness | 1.5 mm | 1.5 mm | 0.5 mm | 1.0 mm | 1.5 mm | 1.5 mm | 1.5 mm | 1.5 mm | 1.5 mm | 1.0 mm | 1.5 mm | 1.0 mm | 1.5 mm | 1.5 mm | 1.5 mm | 1.5 mm | 1.5 mm | 1.5 mm | 1.5 mm |
| Radius of Curvature 1 | -78.298 mm | -52.33 mm | -3.101 mm | -4.134 mm | -26.039 mm | -15.51 mm | -260.39 mm | -26.039 mm | -104.41 mm | -5.012 mm | -8.475 mm | -5.168 mm | -102.92 mm | -51.212 mm | -20.833 mm | -51.212 mm | -26.039 mm | -523.3 mm | -260.39 mm |
| Radius of Curvature 2 | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm |
| Tolerance thickness | ± 0.2 mm | ± 0.2 mm | ± 0.02 mm | ± 0.02 mm | ± 0.1 mm | ± 0.1 mm | ± 0.1 mm | ± 0.2 mm | ± 0.2 mm | ± 0.1 mm | ± 0.2 mm | ± 0.02 mm | ± 0.1 mm | ± 0.1 mm | ± 0.2 mm | ± 0.2 mm | ± 0.2 mm | ± 0.2 mm | ± 0.2 mm |
| Optic Edge Thickness | 2.3 mm | 2.7 mm | 2.82 mm | 4.09 mm | 2.3 mm | 2.9 mm | 1.6 mm | 4.0 mm | 2.2 mm | 2.0 mm | 3.1 mm | 4.86 mm | 1.7 mm | 1.9 mm | 4.8 mm | 3.1 mm | 4.8 mm | 1.7 mm | 1.8 mm |
| Optic Centering Accuracy (min,sec) | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' |
| Tolerance of optic size | - 0.13 mm | - 0.13 mm | - 0.02 mm | - 0.02 mm | - 0.12 mm | - 0.12 mm | - 0.12 mm | - 0.13 mm | - 0.15 mm | - 0.09 mm | - 0.09 mm | - 0.02 mm | - 0.12 mm | - 0.12 mm | - 0.13 mm | - 0.15 mm | - 0.15 mm | - 0.15 mm | - 0.15 mm |
| f' at X nm |
-150.99 mm -152.0 mm -154.52 mm |
-100.88 mm -101.59 mm -103.27 mm |
-5.98 mm -6.02 mm -6.12 mm |
-7.97 mm -8.03 mm -8.16 mm |
-50.2 mm -50.53 mm -51.4 mm |
-29.9 mm -30.11 mm -30.61 mm |
-502.0 mm -505.5 mm -514.0 mm |
-50.2 mm -50.55 mm -51.39 mm |
-201.3 mm -202.7 mm -206.1 mm |
-9.66 mm -9.73 mm -9.89 mm |
-16.34 mm -16.45 mm -16.73 mm |
-9.96 mm -10.03 mm -10.2 mm |
-198.41 mm -199.8 mm -203.1 mm |
-98.73 mm -99.43 mm -101.1 mm |
-40.16 mm -40.44 mm -41.11 mm |
-98.73 mm -99.43 mm -101.1 mm |
-50.2 mm -50.53 mm -51.4 mm |
-1009.0 mm -1018.0 mm -1033.0 mm |
-502.0 mm -505.5 mm -514.0 mm |
| s' at X nm | -152.5 mm | -102.25 mm | -6.33 mm | -8.66 mm | -51.38 mm | -31.0 mm | -504.88 mm | -51.38 mm | -203.03 mm | -10.36 mm | -17.39 mm | -10.66 mm | -200.15 mm | -100.99 mm | -41.3 mm | -100.09 mm | -5138.0 mm | -1013.6 mm | -504.86 mm |
| Part Number | G314317000 | G314316000 | G314001000 | G314002000 | G314332000 | G314331000 | G314335000 | G314315000 | G314323000 | G314304000 | G314305000 | G314003000 | G314334000 | G314333000 | G314301000 | G314322000 | G314321000 | G314325000 | G314324000 |
Tight manufacturing tolerances for excellent performance and precision mounting
Uncoated, suitable for broad wavelength range; for details, refer to the typical transmission curve of N-BK7
These lenses are supplied unmounted to allow for flexible, custom integration into your optical system
ZEMAX files available, enabling easy system design and simulation
| Product | Plano-Conc. lens; N-BK 7; D=22.4; F=-150 | Plano-Conc. lens; N-BK 7; D=22.4; F=-100 | Plano-Conc. lens; N-BK 7; D=6; F=-6 | Plano-Conc. lens; N-BK 7; D=8; F=-8 | Plano-Conc. lens; N-BK 7; D=12.7; F=-50 | Plano-Conc. lens; N-BK 7; D=12.7; F=-30 | Plano-Conc. lens; N-BK 7; D=12.7; F=-500 | Plano-Conc. lens; N-BK 7; D=22.4; F=-50 | Plano-Conc. lens; N-BK 7; D=25.4; F=-200 | Plano-Conc. lens; N-BK 7; D=6; F=-10 | Plano-Conc. lens; N-BK 7; D=10; F=-16 | Plano-Conc. lens; N-BK 7; D=10; F=-10 | Plano-Conc. lens; N-BK 7; D=12.7; F=-200 | Plano-Conc. lens; N-BK 7; D=12.7; F=-100 | Plano-Conc. lens; N-BK 7; D=22.4; F=-40 | Plano-Conc. lens; N-BK 7; D=25.4; F=-100 | Plano-Conc. lens; N-BK 7; D=25.4; F=-50 | Plano-Conc. lens; N-BK 7; D=25.4; F=-1000 | Plano-Conc. lens; N-BK 7; D=25.4; F=-500 |
| Optic Size | Ø 22.4 mm | Ø 22.4 mm | Ø 6.0 mm | Ø 8.0 mm | Ø 12.7 mm | Ø 12.7 mm | Ø 12.7 mm | Ø 22.4 mm | Ø 25.4 mm | Ø 6.0 mm | Ø 10.0 mm | Ø 10.0 mm | Ø 12.7 mm | Ø 12.7 mm | Ø 22.4 mm | Ø 25.4 mm | Ø 25.4 mm | Ø 25.4 mm | Ø 25.4 mm |
| Focal Length (+/-) | -150.0 mm | -100.0 mm | -6.0 mm | -8.0 mm | -50.0 mm | -30.0 mm | -500.0 mm | -50.0 mm | -200.0 mm | -10.0 mm | -16.0 mm | -10.0 mm | -200.0 mm | -100.0 mm | -40.0 mm | -100.0 mm | -50.0 mm | -1000.0 mm | -500.0 mm |
| Optic Substrate | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 | N-BK7 |
| Optic Center Thickness | 1.5 mm | 1.5 mm | 0.5 mm | 1.0 mm | 1.5 mm | 1.5 mm | 1.5 mm | 1.5 mm | 1.5 mm | 1.0 mm | 1.5 mm | 1.0 mm | 1.5 mm | 1.5 mm | 1.5 mm | 1.5 mm | 1.5 mm | 1.5 mm | 1.5 mm |
| Radius of Curvature 1 | -78.298 mm | -52.33 mm | -3.101 mm | -4.134 mm | -26.039 mm | -15.51 mm | -260.39 mm | -26.039 mm | -104.41 mm | -5.012 mm | -8.475 mm | -5.168 mm | -102.92 mm | -51.212 mm | -20.833 mm | -51.212 mm | -26.039 mm | -523.3 mm | -260.39 mm |
| Radius of Curvature 2 | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm | -999.0 mm |
| Tolerance thickness | ± 0.2 mm | ± 0.2 mm | ± 0.02 mm | ± 0.02 mm | ± 0.1 mm | ± 0.1 mm | ± 0.1 mm | ± 0.2 mm | ± 0.2 mm | ± 0.1 mm | ± 0.2 mm | ± 0.02 mm | ± 0.1 mm | ± 0.1 mm | ± 0.2 mm | ± 0.2 mm | ± 0.2 mm | ± 0.2 mm | ± 0.2 mm |
| Optic Edge Thickness | 2.3 mm | 2.7 mm | 2.82 mm | 4.09 mm | 2.3 mm | 2.9 mm | 1.6 mm | 4.0 mm | 2.2 mm | 2.0 mm | 3.1 mm | 4.86 mm | 1.7 mm | 1.9 mm | 4.8 mm | 3.1 mm | 4.8 mm | 1.7 mm | 1.8 mm |
| Optic Centering Accuracy (min,sec) | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' | 10.0 ' |
| Tolerance of optic size | - 0.13 mm | - 0.13 mm | - 0.02 mm | - 0.02 mm | - 0.12 mm | - 0.12 mm | - 0.12 mm | - 0.13 mm | - 0.15 mm | - 0.09 mm | - 0.09 mm | - 0.02 mm | - 0.12 mm | - 0.12 mm | - 0.13 mm | - 0.15 mm | - 0.15 mm | - 0.15 mm | - 0.15 mm |
| f' at X nm |
-150.99 mm -152.0 mm -154.52 mm |
-100.88 mm -101.59 mm -103.27 mm |
-5.98 mm -6.02 mm -6.12 mm |
-7.97 mm -8.03 mm -8.16 mm |
-50.2 mm -50.53 mm -51.4 mm |
-29.9 mm -30.11 mm -30.61 mm |
-502.0 mm -505.5 mm -514.0 mm |
-50.2 mm -50.55 mm -51.39 mm |
-201.3 mm -202.7 mm -206.1 mm |
-9.66 mm -9.73 mm -9.89 mm |
-16.34 mm -16.45 mm -16.73 mm |
-9.96 mm -10.03 mm -10.2 mm |
-198.41 mm -199.8 mm -203.1 mm |
-98.73 mm -99.43 mm -101.1 mm |
-40.16 mm -40.44 mm -41.11 mm |
-98.73 mm -99.43 mm -101.1 mm |
-50.2 mm -50.53 mm -51.4 mm |
-1009.0 mm -1018.0 mm -1033.0 mm |
-502.0 mm -505.5 mm -514.0 mm |
| s' at X nm | -152.5 mm | -102.25 mm | -6.33 mm | -8.66 mm | -51.38 mm | -31.0 mm | -504.88 mm | -51.38 mm | -203.03 mm | -10.36 mm | -17.39 mm | -10.66 mm | -200.15 mm | -100.99 mm | -41.3 mm | -100.09 mm | -5138.0 mm | -1013.6 mm | -504.86 mm |
| Part Number | G314317000 | G314316000 | G314001000 | G314002000 | G314332000 | G314331000 | G314335000 | G314315000 | G314323000 | G314304000 | G314305000 | G314003000 | G314334000 | G314333000 | G314301000 | G314322000 | G314321000 | G314325000 | G314324000 |
Tight manufacturing tolerances for excellent performance and precision mounting
Uncoated, suitable for broad wavelength range; for details, refer to the typical transmission curve of N-BK7
These lenses are supplied unmounted to allow for flexible, custom integration into your optical system
ZEMAX files available, enabling easy system design and simulation