Parameter | Value |
---|---|
Spectral range, μm | 8 - 12 |
Main wavelength (λ0), μm | 10 |
Minimum focal length at λ0, mm | 25,0 |
Maximum focal length at λ0, mm | 225,0 |
Aperture ratio | 1:1.5 |
Back focal length, mm | 43,4 |
Image plane | Fixed throughout focal range |
Optical system length, mm | 182,1 |
Minimum field of view, 2ω, deg | 3,5 |
Maximum field of view, 2ω, deg | 30,9 |
Linear field in image space, 2y ', mm | 13,8 |
Maximum distortion,% | -2,70 |
The minimum distance to the object, m |
3 m (f '= 25 mm) 30 m (f '= 225 mm) |
Operating temperature range, degrees Celsius | -30…+60 |
MTF for a focal length of 25 mm
MTF for a focal length of 141 mm
MTF for a focal length of 225 mm