ImageMaster® 3D - Full Field MTF Measurement System for Infinite and Finite Object Distances

Infinite conjugated lens measurement setup
Infinite conjugated lens measurement setup

The ImageMaster® 3D instrument completes the ImageMaster® Universal family to enable the full field measurement without rotating the sample under test. The sample remains in a fixed horizontal position while the automated target generator and the image analyzer scan the complete target respectively image plane.

Key Features

  • Full field measurement for infinite and finite Measurement situations
  • Measurement of the modulation transfer function (MTF) off-axis and on axis
  • MTF values based on international standards
  • Fully automated, ultra-accurate, multi-functional MTF- Test Station
  • Optimal design prevents reduction of the image brightness
  • Motorized finite conjugates stage for long conjugate distances
  • High quality image analyzer
  • Collimator rotates around two axes to cover an object angle of ±60° over the full field azimuth
  • The reticle including illumination unit cover a rectangular object field of ±1100mm (horizontal) and ±800mm (vertical)


ImageMaster® Universal achieves full field measurement of:

  • Line Spread Function (LSF)
  • Modulation Transfer Function (MTF)
  • Phase Transfer Function (PTF)
  • Effective Focal Length (EFL)
  • Distortion
  • MTF versus Field
  • Longitudinal Chromatic Aberration
  • Lateral Chromatic Aberration
  • Field Curvature
  • Depth of Focus
  • Astigmatism
  • Chief Ray Angle