511 Lens and Shutter Assembly Adjustments
a. After completing the focusing
procedures, depress the cocking lever
(1) to close the shutter.
b. Rotate the speed selector
ring (2) until the fiducial mark is
opposite the desired shutter speed on
the speed scale.
c. Move the lens opening
selector until its pointer (3) is
opposite the desired f/stop number on
the f/stop scale.