Adjustment is the precise fine tuning between the mechanics and optics Adjustment in binoculars refers to the parallel alignment of the two halves of the binoculars. If binoculars are knocked hard or fall to the ground, for example, the prisms are displaced and the binoculars are misaligned. Consequence of misalignment in binoculars When observing through a misaligned binocular model, the observer [...]