Canon A-1 User Manual

Rear Dust Cap
The rear dust cap must be removed before
mounting the lens.
Operation with an FD lens which lacks
a chrome Breech-lock mount ring:
The rear dust cap for this type of lens has
serrated edges. Do not mount a rear dust
cap which lacks the serrated edges.
Removal from lens
1. Turn the cap counterclockwise until it
stops.
2. Pull the cap out.
Reattachment
1. Align the arrow on the cap with the red
dot at the rear of the lens.
2. In that position, apply slight pressure to
the cap and turn it clockwise until it is
tight.
Operation with an FD lens which has
a chrome Breech-lock mount ring or
with an FL lens:
Removal from Lens
1. Turn the lens' mount ring clockwise until
it stops.
2. Pull the cap out.
Once the rear cap is removed, the Breech-
lock mount ring is locked so that it cannot
be turned. (The diaphragm blades are also
locked and will not move even if the aper-
ture ring is rotated.)
Positioning Pin
Automatic Aperture Lever
–14–
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Canon A-1 Specifications

General

Type	35mm SLR
Lens Mount	Canon FD
Metering	Center-weighted average
Focusing Screen	Interchangeable
Flash Sync	1/60s
Weight	620g (body only)
Dimensions	141 x 92 x 48 mm
Shutter Speed	30s - 1/1000s, Bulb
ISO Range	6 - 12800
Viewfinder	Eye-level pentaprism
Exposure Modes	Program, Aperture-priority, Shutter-priority, Manual
Film Advance	Manual
Film Rewind	Manual
Battery	4LR44 or 4SR44
Shutter	Horizontal cloth focal-plane