Products
Spherical Lenses
Fused Silica Positive Meniscus 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 Positive Meniscus Spherical Lenses
| NO. | EFL(mm) | Dia(mm) | Radius(mm) | Tc(mm) | Te(mm) | BFL(mm) |
| 12E4173R | 100.00 | 25.40 | (R1)31.00(R2)91.84 | 4.00 | 2.20 | 95.94 |
| 12E4197R | 150.00 | 25.40 | (R1)47.60(R2)151.34 | 3.20 | 2.00 | 146.83 |
| 12E4467R | 200.00 | 25.40 | (R1)64.20(R2)211.05 | 2.90 | 2.00 | 197.16 |
| 12E4329R | 300.00 | 25.40 | (R1)97.60(R2)333.25 | 2.60 | 2.00 | 297.49 |
| 12E4484R | 500.00 | 25.40 | (R1)166.80(R2)609.58 | 2.40 | 2.00 | 497.74 |
| 12E4950R | 1000.00 | 25.40 | (R1)347.09(R2)1425.70 | 2.20 | 2.00 | 998.01 |
| 12E4412R | 100.00 | 50.80 | (R1)30.60(R2)81.89 | 10.70 | 1.20 | 89.01 |
| 12E4125R | 150.00 | 50.80 | (R1)46.50(R2)136.01 | 7.80 | 2.70 | 142.09 |
| 12E4560R | 200.00 | 50.80 | (R1)63.00(R2)194.67 | 6.60 | 2.90 | 193.41 |
| 12E4984R | 300.00 | 50.80 | (R1)97.60(R2)330.21 | 5.40 | 3.00 | 294.78 |
| 12E4150R | 500.00 | 50.80 | (R1)165.40(R2)588.25 | 5.00 | 3.60 | 495.25 |
| 12E4822R | 1000.00 | 50.80 | (R1)355.73(R2)1580.20 | 5.00 | 4.30 | 995.58 |
