Manual Diaphragm Control - Canon AE-1 PROGRAM Instructions Manual

Manual Diaphragm Control
FD Lens without Chrome Mount Ring except for FD Macro
Lenses
1. Insert the slot of the accessory manual dia-
phragm adapter over the tip of the automatic
aperture lever at the rear of the lens. Push the
lever counterclockwise and lower the adapter
into the groove. The diaphragm blades will
open or close as you turn the aperture ring.
2. Mount the lens on the accessory.
When the manual diaphragm adapter is
attached, NEVER mount the lens DIRECTLY
on the camera or on an accessory designed
for automatic diaphragm control, such as the
Auto Bellows or Bellows FL.
62
FD Lens with Chrome Mount Ring and FD Macro Lenses
lexcept for FD 200mm f/4 Macro Lens)
1. Push the automatic aperture lever at the rear
of the lens counterclockwise until it auto-
matically locks.
2. Mount the lens on the accessory.
Note
Some of these lenses have an additional lock
lever. With these lenses, push the automatic
aperture lever fully counterclockwise, then push
the lock lever to "L."
Be sure to reset the automatic aperture lever to
its normal position before mounting the lens
DIRECTLY on the CAMERA. In the case of a lens
with a lock lever, switch it back to the position of
the white dot.