The MTF Tester for UV-VIS-IR range

Parameter ImageMaster® Universal
Optical set up Finite, infinite or afocal
Max. off-axis angle ± 135
Spectral range UV: 250 nm … 400 nm
VIS: 400 nm … 700 nm
NIR: 700 nm … 1000 nm
SWIR: 1000nm … 1700nm
MWIR: 3µm … 5µm
LWIR: 7µm … 13µm
Azimuth range 360°
Max. image height ± 50 mm
Spatial frequency (in specification)
Max. spatial frequency
200 lp/mm in UV
500 lp/mm in VIS / NIR
150 lp/mm in SWIR
100 lp/mm in MWIR
60 lp/mm in LWIR
Accuracy MTF on-axis and off-axis ±0.02 MTF on axis
Repeatability ±0.01 MTF
EFL
Accuracy

± 0.2 %
Distortion
Accuracy (without / with encoder)
Repeatability (without / with encoder)

± 0.7 % / ± 0.25 %
± 0.3 % / ± 0.1 %
Lateral chromatic aberration
Accuracy
Repeatability

± 0.5 µm
± 0.3 µm
Longitudinal chromatic aberration
Accuracy
Repeatability

± 1 µm
0.2 µm
CRA
Accuracy
Repeatability

± 1°
± 0.4°
FFL (relative)
Accuracy
Repeatability

± 2 µm
± 1 µm
Astigmatism
Accuracy
Repeatability

± 4 µm
± 1 µm
Field curvature
Accuracy
Repeatability

± 2 µm
± 1 µm