An electronic autocollimator is typically calibrated to read the actual mirror angle.
2.
A Laser Analyzing Autocollimator ( LAA ) device, that was recently developed by Duma Optronics, allows boresighting between multiple lines of sights to a laser source.
3.
It is used for measuring small tilting angles of the mirror, see autocollimator, or for testing the quality of the optical system or of a part of it.
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