Sharpness extracting mechanism for lens of e.g. film camera, has operating knob rotatably and lockably supported around axis lying paralel to lens optical axis and aligned with drive shaft with respect to lens in occupied swiveling position

摘要

The mechanism has an operating knob (11) having a scaling ring arranged on a support-controlled sledge shaped base. An operating device (15) operating on the lens is attached to the knob. The knob is rotatably and lockably supported around an axis lying parallel to an optical axis of the lens and aligned with a drive shaft of the device with respect to the lens in an occupied swiveling position.