Zinc Selenide Positive Meniscus 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 Positive Meniscus Spherical Lenses
| NO. | Dia | EFL | R1 | R2 | Tc | Te | BFL |
| 14E7246R | 12.70 | 15.00 | 7.50 | 9.03 | 2.90 | 2.00 | 11.62 |
| 14E7276R | 12.70 | 20.00 | 7.50 | 7.85 | 3.00 | 2.70 | 15.33 |
| 14E7963R | 12.70 | 40.00 | 10.88 | 11.32 | 3.00 | 2.90 | 33.56 |
| 14E7185R | 25.40 | 25.40 | 15.50 | 22.58 | 4.70 | 2.00 | 20.90 |
| 14E7981R | 25.40 | 50.00 | 15.50 | 16.90 | 4.00 | 3.10 | 42.47 |
| 14E7996R | 25.40 | 75.00 | 20.97 | 23.27 | 4.00 | 3.50 | 66.65 |
| 14E7031R | 25.40 | 100.00 | 28.36 | 32.62 | 4.00 | 3.60 | 91.77 |
| 14E7667R | 25.40 | 150.00 | 42.71 | 50.66 | 4.00 | 3.70 | 141.80 |
| 14E7898R | 25.40 | 200.00 | 57.69 | 69.69 | 4.00 | 3.80 | 191.91 |
| 14E7495R | 25.40 | 500.00 | 146.10 | 181.59 | 4.00 | 3.90 | 492.01 |
| 14E7117R | 25.40 | 750.00 | 219.57 | 274.54 | 4.00 | 3.90 | 742.02 |
| 14E7199R | 25.40 | 1000.00 | 293.05 | 367.49 | 4.00 | 3.90 | 992.03 |