Calcium Fluoride Plano-concave Spherical Lenses
Material:Calcium Fluoride
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:80-50
Centration:<3'
Clear Aperture:>80%
Bevelling :<0.2×45°
Coating:IR AR Coating 3-5μm
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Calcium Fluoride Plano-concave Spherical Lenses
| NO. | Dia | EFL | R | Tc | Te | BFL |
| 13C5919R | 12.70 | -18.00 | -7.81 | 2.00 | 5.30 | -19.39 |
| 13C5749R | 12.70 | -25.00 | -10.85 | 2.50 | 4.60 | -26.74 |
| 13C5269R | 25.40 | -40.00 | -17.35 | 2.00 | 7.50 | -41.39 |
| 13C5401R | 25.40 | -75.00 | -32.54 | 2.50 | 5.10 | -76.74 |
| 13C5289R | 25.40 | -100.00 | -43.38 | 3.00 | 4.90 | -102.09 |
| 13C5952R | 25.40 | -200.00 | -86.77 | 3.50 | 4.40 | -202.44 |
| 13C5893R | 25.40 | -500.00 | -216.92 | 4.00 | 4.40 | -502.79 |