ImageMaster®

World standard MTF Measurement System

Image quality testing for small and large lenses

The devices ImageMaster® HR and Universal provide an outstanding level of accuracy and flexibility when testing the MTF (modulation transfer function). The equipment is modular and upgradeable to allow for custom configuration as test requirements change. The instrument can be configured for testing optical systems with the object at infinity or object and image at finite conjugates. The accuracy of the measurement is traceable to international standards.

The ImageMaster® HR offers versatile functionality for testing the image quality of small and medium-sized lenses, e.g. for smartphone, photo and film cameras. For medium and larger lenses, e.g. in camera lens manufacturing and the development of aerial lenses or lenses for space exploration, the horizontally mounted ImageMaster® Universal offers the highest accuracy and maximum stability.

ImageMaster® HR UltraPrecision

Ultra-precise image quality testing

For ultra-precise measurement of MTF and other optical parameters TRIOPTICS has developed the top model among the MTF test stations of our HR product series – the ImageMaster® HR UP.

  • High-precision air bearing sample holder
  • Increased mechanical stability
  • Enhanced measurement reproducibility

ImageMaster® HR

The preferred MTF test station worldwide

The ImageMaster® HR fulfils the high customer requirements for accuracy and flexibility in the measurement of image quality.

  • Fully or semi-automated, ultra-accurate, multi-functional MTF test station
  • Accuracy traceable to international standards
  • MTF measurement at finite and infinite conjugates

ImageMaster® HR MAX

Testing with mirror collimators

ImageMaster® HR MAX has been developed for high-precision MTF testing in the VIS and IR range.

  • Available for NUV/VIS/NIR spectrum
  • Includes a high-quality mirror collimator, halogen light source and high resolution camera sensor
  • Accuracy traceable to international standards

ImageMaster® HR MAX IR

High End MTF testing in the IR range

ImageMaster® HR MAX IR is designed for the measurement of MTF and other optical parameters of today’s high-end IR optics in R&D and production.

  • Available for NUV/VIS/NIR/MWIR/LWIR spectrum (SWIR on request)
  • Includes a high-quality mirror collimator, broadband IR light source and IR focal plane array image sensor
  • Accuracy traceable to international standards

Technical Data

Parameter ImageMaster® HR VIS ImageMaster® HR IR ImageMaster® HR MAX ImageMaster® HR MAX IR ImageMaster® HR UltraPrecision HR MAX
Optical set up Infinite conjugates
(finite optional)
Infinite conjugates Infinite conjugates
(finite optional)
Infinite conjugates
Max. off-axis angle Up to ±110° Up to ±110° Up to ±70° Up to ±70°
Spectral range 450 nm … 750 nm, halogen (NIR/NUV optional) LWIR: 8 µm … 12 µm VIS /NIR
NUV optional
NIR, NUV, LWIR: 8 µm … 12 µm
VIS: 0.4 µm … 0.9 µm
MWIR : 3 µm … 5 µm
SWIR: 0.9 µm … 1.7 µm on request
Azimuth range 360° 360° 360° 360°
Max. image height ±23 mm ±23 mm ±23 mm ±23 mm ±23 mm
Clear aperture up to 100 mm up to 100 mm up to 100 mm
Collimator range 50 mm … 500 mm 50 mm2) 50 mm … 1,000 mm 50 mm … 1,000mm2) 50 mm … 1,000 mm
EFL range of the sample 1 mm … 150 mm 1) 1 mm … 10 mm1),2) 1 mm … 200 mm 1) 1 mm … 200 mm 1) 1 mm … 200 mm 1)
Spatial frequency
(in specification)
Max. spatial frequency
0 lp/mm … 500 lp/mm
1,000 lp/mm
(depending on sample)
0 lp/mm … 60 lp/mm 0 lp/mm … 500 lp/mm
1,000 lp/mm
(depending on sample)
VIS/NIR/LWIR: 0 lp/mm … 60 lp/mm
MWIR: 0 lp/mm … 100 lp/mm
0 lp/mm … 500 lp/mm
1,000 lp/mm
(depending on sample)
Accuracy
(MTF on-axis and off-axis)
±0.02 MTF ±0.03 MTF ±0.02 MTF ±0.03 MTF ±0.02 MTF
Repeatability
(MTF on-axis and off-axis)
±0.005 MTF ±0.02 MTF ±0.005 MTF ±0.02 MTF ±0.005 MTF
  1. Depends on mirror collimator
  2. Larger on request

ImageMaster® R&D Universal

Parameter ImageMaster® Universal
Optical set up Finite, infinite or afocal
Max. off-axis angle ±180
Spectral range UV: 250 nm … 450 nm
VIS: 450 nm … 700 nm
NIR: 700 nm … 1.000 nm
SWIR: 1.000 nm … 2500 nm
MWIR: 3 µm … 5 µm
LWIR: 7 µm … 13 µm
Azimuth range 360°
Max. image height ±50 mm
Spatial frequency
(in specification)
Max. spatial frequency
UV: 100 lp/mm
VIS / NIR: 500 lp/mm
SWIR: 120 lp/mm
MWIR: 80 lp/mm
LWIR: 60 lp/mm
Accuracy
(MTF on-axis and off-axis)
±0.02 MTF on axis
±0.03 MTF off axis
Repeatability
(MTF on-axis and off-axis)
±0.01 MTF
EFL (Effective Focal Length)
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

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