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Home > Spherical Lens > Fused Silica Negative Meniscus Lens
Material:UV-Grade Fused Silica
Design Wavelength:587.6nm
Focal Length Tolerance:±1%
Diameter Tolerance:+0.0,-0.1mm
Center Thickness:±0.1mm
Surface Figure:λ/4@632.8nm
Surface Quality:40-20 scratch and dig
Centration:3 arc minutes
Clear Aperture:>90%
Bevel:<0.25mm x 45°
Coating:Specified by customer
| Fused Silica Negative Meniscus Lens |  |
Material:UV-Grade Fused Silica Design Wavelength:587.6nm Focal Length Tolerance:±1% Diameter Tolerance:+0.0,-0.1mm Center Thickness:±0.1mm Surface Figure:λ/4@632.8nm Surface Quality:40-20 scratch and dig Centration:3 arc minutes Clear Aperture:>90% Bevel:<0.25mm x 45° Coating:Specified by customer| Fused Silica Negative Meniscus Lens | |||||||
| Part No. | Dia(mm) | EFL(mm) | R1(mm) | R2(mm) | CT(mm) | ET(mm) | BFL(mm) |
| NMS25100 | 25.40 | -100.00 | -34.89 | -150.00 | 3.00 | 4.90 | -102.70 |
| NMS25150 | 25.40 | -150.00 | -46.86 | -150.00 | 3.00 | 4.20 | -153.02 |
| NMS25200 | 25.40 | -200.00 | -56.49 | -150.00 | 3.50 | 4.40 | -203.89 |
| NMS25300 | 25.40 | -300.00 | -71.22 | -150.00 | 3.50 | 4.10 | -304.64 |
| NMS25500 | 25.40 | -500.00 | -106.22 | -200.00 | 3.50 | 3.90 | -505.18 |
| NMS25110 | 25.40 | -1000.00 | -180.58 | -300.00 | 4.00 | 4.20 | -1006.96 |
| NMS50100 | 50.80 | -100.00 | -37.00 | -200.00 | 5.00 | 13.40 | -104.25 |
| NMS50150 | 50.80 | -150.00 | -50.77 | -200.00 | 5.00 | 10.20 | -154.64 |
| NMS50200 | 50.80 | -200.00 | -62.38 | -200.00 | 5.00 | 8.80 | -205.04 |
| NMS50300 | 50.80 | -300.00 | -88.17 | -250.00 | 5.00 | 7.40 | -305.35 |
| NMS50500 | 50.80 | -500.00 | -129.26 | -300.00 | 5.00 | 6.40 | -506.08 |
| NMS50110 | 50.80 | -1000.00 | -180.39 | -300.00 | 5.00 | 5.70 | -1008.71 |