Products
Spherical Lenses
CaF2 Negative Meniscus Spherical Lenses
Material:CaF2
Design Wavelength:4μm
Focal Length Tolerance:±1%
Diameter Tolerance:+0.0/-0.1mm
Thickness Tolerance:±0.1mm
Surface Accuracy:λ/4@632.8nm
Surface Quality:80-50
Centration:<3'
Clear Aperture:>80%
Bevelling:<0.2×45
Coating:IR AR Coating 3-5μm
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CaF2 Negative Meniscus Spherical Lenses
| NO. | EFL(mm) | Dia(mm) | Radius(mm) | Tc(mm) | Te(mm) | BFL(mm) |
| 13F5067R | -20.00 | 12.70 | (R1)7.50(R2)95.57 | 2.00 | 5.30 | -21.55 |
| 13F5847R | -50.00 | 12.70 | (R1)9.79(R2)20.42 | 3.00 | 4.30 | -54.45 |
| 13F5154R | -80.00 | 12.70 | (R1)16.19(R2)33.72 | 3.00 | 3.70 | -84.31 |
| 13F5469R | -40.00 | 25.40 | (R1)15.50(R2)308.29 | 4.00 | 10.40 | -43.00 |
| 13F5414R | -50.00 | 25.40 | (R1)15.50(R2)68.50 | 4.00 | 9.40 | -53.75 |
| 13F5895R | -75.00 | 25.40 | (R1)14.80(R2)30.80 | 4.00 | 8.50 | -80.89 |
| 13F5515R | -100.00 | 25.40 | (R1)20.16(R2)41.97 | 4.00 | 6.50 | -105.76 |
| 13F5175R | -150.00 | 25.40 | (R1)30.81(R2)64.15 | 4.00 | 5.50 | -155.66 |
| 13F5961R | -200.00 | 25.40 | (R1)41.44(R2)86.21 | 4.00 | 5.10 | -205.61 |
| 13F5048R | -500.00 | 25.40 | (R1)105.10(R2)218.25 | 4.00 | 4.40 | -505.53 |
| 13F5807R | -750.00 | 25.40 | (R1)158.12(R2)328.18 | 4.00 | 4.30 | -755.52 |
| 13F5394R | -1000.00 | 25.40 | (R1)211.13(R2)438.09 | 4.00 | 4.20 | -1005.51 |
