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Optical Transfer Function Testing Instrument

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                                        Optical Transfer Function Testing Instrument

MTF Test Range

UVB

Ultra-Violet B

193 - 360 nm

NUV

Near Ultra-Violet

325 - 500 nm

VIS

Visible

400 - 700 nm

NIR

Near Infra-Red

700 - 1000 nm

SWIR

Short-Wave Infra-Red

1 - 3 um

MWIR

Medium-Wave   Infra-Red

3 - 5 um

LWIR

Long-Wave Infra-Red

8 - 12 um

Technical Specification

Spectral Range

350nm-1000nm,1-3um,3-5um,

8-12um

Maximum off-axis angle

±90°

Focal length range

3-1000mm

Measurable objective aperture

5-200mm

Space frequency 

range

0-1600lp/nm(350nm-1000nm);

0-100 lp/nm(1-3um);

0-60 lp/nm(3-5um,8-12um)

MTF measurement 

accuracy

±5’

MTF measurement 

repeatability

±0.01

Focal length 

measurement 

accuracy

±0.5%

Distortion 

measurement 

accuracy

±0.5%

Field curvature 

measurement 

accuracy

±5um

Dispersion 

measurement 

accuracy

±0.002dpt

Measuring 

measurement 

accuracy

±5um