Parameter | Value |
Aperture ratio | 1:1,0 |
Spectral range, μm | 8 - 14 |
Main wavelength (λ0), μm | 10 |
Focal length at the main wavelength (λ0), mm | 11 |
Back focal length, mm (including 1 mm germanium window) | 12,75 |
Optical system length, mm | 28,09 |
Operating temperature range, oC | -10 … +40 |
Maximum vignetting ,% | absent |
Field of view, 2ω, deg | 73,6 |
Linear field, 2y', mm | 13,6 |
Maximum distortion,% | 17,0 |
MTF for ω = 0° at 30 lp/mm | 0,49 |
MTF for ω = 25° at 30 lp/mm | 0,38 |
MTF for ω = 45° at 30 lp/mm | 0,36 |
MTF @20⁰C
MTF @40⁰C
MTF @0⁰C
MTF @-10⁰C
Field curvature and distortion