Film advance lever . . . . Advances film one frame, cocks
shutter, and prepares the aper-
t u r e and mirror for the next
shutter release.
Flash socket . . . . . . . . . Extends internal shutter synchro-
nization contacts outside of
camera, permits connection of
flash unit cable to camera.
Focusing ring. . . . . . . . Facilitates focusing of lens assem-
bly.
Shutter speed dial. . . . . Selects desired shutter speed.
2-2
