Zinc Selenide Bi-concave Spherical Lenses
Material:Zinc Selenide
Design Wavelength:10.6μm
Focal Length Tolerance:±1%
Diameter Tolerance:+0.0/-0.1mm
Thickness Tolerance:±0.2mm
Surface Accuracy:λ/2@632.8nm
Surface Quality:60-40
Centration:<3'
Clear Aperture:>80%
Bevelling:<0.2×45°
Coating:IR AR Coating 8-12μm
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Zinc Selenide Bi-concave Spherical Lenses
| NO. | Dia | EFL | R1=R2 | Tc | Te | BFL |
| 14D7671R | 25.40 | -25.40 | -71.83 | 2.00 | 4.30 | -25.81 |
| 14D7503R | 25.40 | -50.00 | -140.85 | 2.00 | 3.20 | -50.41 |
| 14D7877R | 25.40 | -75.00 | -210.98 | 2.00 | 2.80 | -75.42 |
| 14D7071R | 25.40 | -100.00 | -281.12 | 2.00 | 2.60 | -100.42 |
| 14D7902R | 25.40 | -200.00 | -561.65 | 2.00 | 2.30 | -200.42 |