Large Field Telescopes

To meet the demands that customers are placing on the testing of optical instruments with a large field of view, TRIOPTICS has developed a new and unique range of test telescopes that are characterized by a significantly larger field of view.

Key Features

  •  50 to 100% larger field of view in comparison to standard test telescopes
  • TRIOPTICS offers test telescopes with different focal lengths depending on the application
  • Available with straight or 90° angled viewing position
  • Optionally the test telescopes can be equipped with dual micrometers
  • Optionally with reticle changer (RC)


Several Telescopes
Several Telescopes

In combination with a telescope, the following measurements can be performed:

  • Angle measurement
  • Measurement of optical parameters (e.g. effective focal length, centration errors)
  • Testing the infinite setting of optical systems