ImageMaster® Afocal

Image quality testing for telescopes, riflescopes, binoculars and spotting scopes

Afocal optics, such as those used in riflescopes, are often still tested today using purely visual test procedures. The results are therefore based on the subjective assessment of the tester and thus the repeatability of the measurement results is not guaranteed. Due to the multitude of determining factors, subjective quality testing often reaches its limits even among the most experienced professionals.

With the ImageMaster Afocal® optical afocal systems like telescopes, riflescopes and binoculars are tested in terms of functionality and image quality with a variety of specific optical parameters.

Precision

Does it really make sense to rely solely on subjective quality assessments in the field of afocal optics, where maximum precision is required? Numerous parameters such as chromatic aberrations or knowledge of the exact magnification are decisive factors for quality assessment. The precise measurement of these parameters is an essential precondition for perfect functionality.

Flexibility

The ImageMaster® Afocal telescope test bench is designed for testing the image quality of afocal samples such as telescopes and riflescopes. Options and suitable sample holders allow the measurement of binoculars and spotting scopes.

Operator independent

The horizontal measurement device has been specially developed for precise and automated measurement of the image quality (MTF and further parameters) of afocal optics. The image quality is determined objectively and thus operator-independently.
Video

Testing the image quality of binoculars

Are you looking for an automated measurement solution to determine the image quality of binoculars? We have further developed the ImageMaster® Afocal: Suitable test specimen holders for binoculars with corresponding software now enable precise and automated measurement of the imaging quality of these afocal optics.

Video

Image quality testing of spotting scopes

If you are looking for an automated measurement solution for determining the image quality of spotting scopes, you should take a look at the ImageMaster® Afocal system with matching test specimen holder for spotting scopes and corresponding software.

Software

MTF-Lab for ImageMaster® Afocal

  • Measurements of MTF, magnification and a range of other parameters using special target patterns and dedicated software routines
  • Functions for easy alignment of the sample under test
  • Conventional MTF measurement using a single slit or a crosshair as a target
  • Automated selection and positioning of the suitable reticle (target) and filter for the current application
  • Configuration files with optimized process parameters and password protected access for operator and supervisor
  • Scripting tools for customer specific programming and analysis
  • Intuitive user interface and time-saving lens test routines
  • External control via TCP/IP
MTF-Lab Software

Upgrades

In order to meet individual requirements, the test bench is available with various upgrades. The result are flexible configuration options for measurement of different specific parameters of optical afocal systems, for instance the subjective as well as the objective field of view. Another important parameter, especially for riflescopes and spotting scopes is the eyerelief. It rounds up the versatile measurement functionality of the ImageMaster® Afocal. Additional options and sample holders allow the measurement of binoculars and spotting scopes. x
Test sample holder for binoculars

Sample mounting of binoculars

Test sample holder for spotting scope

Sample mounting of spotting scopes

ImageMaster® Afocal with user

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