Products
Spherical Lenses
Fused Silica Plano-concave Spherical Lenses
Material:UV-Grade Fused Silica
Design Wavelength:587.6nm
Focal Length Tolerance:±1%
Diameter Tolerance:+0.0/-0.1mm
Thickness Tolerance:±0.1mm
Surface Accuracy:λ/4@632.8nm
Surface Quality:40-20
Centration:<3'
Clear Aperture:>90%
Bevelling:<0.2×45°
Coating:UV AR:290-370nm
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Fused Silica Plano-concave Spherical Lenses
| NO. | EFL(mm) | Dia(mm) | Radius(mm) | Tc(mm) | Te(mm) | BFL(mm) |
| 12C4573R | -10.00 | 6.00 | -4.58 | 2.00 | 3.10 | -11.37 |
| 12C4291R | -12.00 | 8.00 | -5.50 | 2.00 | 3.70 | -13.37 |
| 12C4924R | -20.00 | 12.70 | -9.17 | 2.00 | 4.50 | -21.37 |
| 12C4210R | -25.00 | 12.70 | -11.46 | 3.00 | 4.90 | -27.06 |
| 12C4796R | -30.00 | 12.70 | -13.75 | 3.00 | 4.50 | -32.06 |
| 12C4357R | -50.00 | 12.70 | -22.92 | 3.50 | 4.40 | -52.40 |
| 12C4413R | -75.00 | 12.70 | -34.39 | 3.50 | 4.10 | -77.40 |
| 12C4232R | -100.00 | 12.70 | -45.85 | 3.50 | 3.90 | -102.40 |
| 12C4918R | -200.00 | 12.70 | -91.70 | 4.00 | 4.20 | -202.74 |
| 12C4252R | -30.00 | 25.40 | -13.75 | 3.00 | 11.40 | -32.06 |
| 12C4027R | -50.00 | 25.40 | -22.92 | 3.00 | 6.80 | -52.06 |
| 12C4513R | -75.00 | 25.40 | -34.39 | 3.50 | 5.90 | -77.40 |
| 12C4888R | -100.00 | 25.40 | -45.85 | 3.50 | 5.30 | -102.40 |
| 12C4425R | -75.00 | 50.80 | -34.39 | 3.50 | 14.60 | -77.40 |
| NO. | EFL(mm) | Dia(mm) | Radius(mm) | Tc(mm) | Te(mm) | BFL(mm) |
| 12C4743R | -100.00 | 50.80 | -45.85 | 4.00 | 11.60 | -102.74 |
| 12C4869R | -150.00 | 50.80 | -68.77 | 4.00 | 8.80 | -152.74 |
