Canon A-1 User Manual
Page 174
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locked-in EV.
Exposure Preview: Viewfinder digital read
out activated by pressing shutter button
halfway or by pressing exposure preview
switch or exposure memory switch.
Stop-down
Lever:
Foldable.
Stopping-
down an FD lens is possible only when
aperture
ring
is
disengaged
from
“A”
mark.
Manual
Override:
Possible
by
disengaging
FD lens from “A” mark and setting AE
mode selector to Tv. Aperture manually
controlled
with
aperture
ring,
shutter
speed with AT dial.
Shutter:
Cloth
focal
plane
shutter
with
four
spindles.
Electronically
controlled,
steplessly, from 30 sec. to 1/1000 sec.
Shock and noise dcimper mechemisms are
incorporated.
Shutter Speed Scale: B, 30, 15, 8, 4, 2, 1,
2, 4, 8, 15, 30, 60, 125, 250, 500, 1000
plus P (with the AE mode selector at Tv).
“P” setting is for programmed AE mode.
Intermediate speeds not on the scale can
not be set.
Aperture Scale: • 1.4 • 2 ■ 2.8 • 4 • 5.6 • 8 •
11 • 16 • 22 (with the AE mode selector
at Av).
Shutter Release Button: Oversized, two-
step button with electromagnetic shutter
8-