measurement which reflected light is imaged into the camera plane of the autocollimator via the telescope funcitonality; a typical application is the measurement of the tilt angle of the surface that reflects the light back into the autocollimator, mõõtmine, kus peegeldunud valgus kujutatakse pikksilma funktsionaalsuse kaudu autokollimaatori kaameratasandile, st toimub peegelpinna kaldenurga mõõtmise