Products
Spherical Lenses
CaF2 Positive 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 Positive Meniscus Spherical Lenses
| NO. | EFL(mm) | Dia(mm) | Radius(mm) | Tc(mm) | Te(mm) | BFL(mm) |
| 13E5838R | 20.00 | 12.70 | (R1)7.50(R2)72.44 | 4.70 | 1.40 | 16.36 |
| 13E5243R | 50.00 | 12.70 | (R1)15.00(R2)52.79 | 3.00 | 2.00 | 47.09 |
| 13E5234R | 80.00 | 12.70 | (R1)20.00(R2)49.08 | 3.00 | 2.40 | 76.52 |
| 13E5183R | 40.00 | 25.40 | (R1)15.00(R2)146.95 | 8.90 | 2.40 | 33.10 |
| 13E5801R | 50.00 | 25.40 | (R1)15.50(R2)55.20 | 7.10 | 2.00 | 43.35 |
| 13E5802R | 75.00 | 25.40 | (R1)15.50(R2)28.02 | 5.60 | 2.00 | 67.12 |
| 13E5803R | 100.00 | 25.40 | (R1)20.00(R2)36.81 | 4.00 | 1.70 | 94.19 |
| 13E5382R | 150.00 | 25.40 | (R1)35.00(R2)78.62 | 4.00 | 2.70 | 145.02 |
| 13E5414R | 200.00 | 25.40 | (R1)40.00(R2)75.89 | 4.00 | 3.00 | 194.19 |
| 13E5990R | 500.00 | 25.40 | (R1)125.00(R2)317.77 | 4.00 | 3.60 | 495.35 |
| 13E5656R | 750.00 | 25.40 | (R1)150.00(R2)290.83 | 4.00 | 3.70 | 744.19 |
| 13E5714R | 1000.00 | 25.40 | (R1)250.00(R2)638.52 | 4.00 | 3.80 | 995.35 |
