This document applies to telescopes, binoculars and riflescopes. It defines the direction of actuation for the most common actuating elements e. g. when focusing, adjusting the ametropia or adjusting the magnification. The responsible German standardization body is the working co
DIN 58381:2021 history
2021DIN 58381:2021 Optics and photonics - Operating elements on telescopes, binoculars and telescopic sights