Focus lock for binoculars

摘要

A binocular with a focusing/locking knob having a pair of essentially flat paddle platforms which are easily contacted by the fingertips of a user. The paddle platforms being independently pivoted on the knob and having means for preventing rotational motion for locking the knob. The means for preventing rotation being engaged by pivoting the paddle platforms in one direction and disengaged by pivoting the paddle platforms in the opposite direction.