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Material: Germanium
Design Wavelength: 10.6μm
Surface Flatness: λ/2
Surface Quality: 60/40
Centration: ≤3 arcmin
Focal Length Tolerance: ±1%
CATEGORY
Germanium Best Form Lenses
Model: JKL92
| Dia | Focus | Back Focus | R1 | R2 | Center Thickness | Edge Thickness | uncoated model | AR @8~12μm model |
| 25 | 25 | 23.3 | 28.3 | 42.5 | 2.5 | 1.3 | JKL92-025-025 | JKL92-025-025-IR2 |
| 25 | 30 | 28.3 | 33.4 | 50 | 2.5 | 1.5 | JKL92-025-030 | JKL92-025-030-IR2 |
| 25 | 35 | 33.3 | 38.4 | 57.6 | 2.5 | 1.6 | JKL92-025-035 | JKL92-025-035-IR2 |
| 50 | 50 | 46.7 | 56.6 | 84.9 | 5 | 2.6 | JKL92-050-050 | JKL92-050-050-IR2 |
| 50 | 75 | 71.6 | 81.9 | 122.8 | 5 | 3.5 | JKL92-050-075 | JKL92-050-075-IR2 |
| 50 | 100 | 96.5 | 107 | 160.5 | 5 | 4 | JKL92-050-100 | JKL92-050-100-IR2 |
