Exposure Control - Canon EOS-3 Instructions Manual

■ Exposure Control

Metering modes:
Exposure Control Methods:
Metering range:
ISO film speed range:
Exposure compensation:
AE Lock:
TTL max. aperture metering with a 21-zone silicon photocell.
(1) Evaluative metering (linkable to any focusing point)
(2) Partial metering (approx. 8.5% of viewfinder at center)
(3) Center spot metering (approx. 2.4% of viewfinder at
center)
(4) Spot metering (linked to focusing point at approx. 2.4% of
viewfinder)
* During continuous shooting with metering modes (3) and
(4), the first shot is metered in real time and the meter
reading is locked (AE lock) for subsequent shots in the
same burst.
(5) Multi-spot metering (Max. 8 multi-spot metering entries)
(6) Centerweighted averaging metering
1 Program AE (shiftable), 2 Shutter speed-priority AE (in 1/3
stops, safety shift enabled with Custom Function), 3
Aperture-priority AE (in 1/3 stops, safety shift enabled with
Custom Function), 4 Depth-of-field AE, 5 E-TTL program
flash AE (high-speed sync, FE lock, and wireless control
enabled with 550EX), 6 A-TTL program flash AE, 7 TTL
program flash AE, 8 Manual, 9 Bulb
EV 0-20 (at 20˚C with 50mm f/1.4 lens, ISO 100)
ISO 6-6400 (Set automatically with DX-coded film at ISO 25-
5000.)
(1) Autoexposure bracketing (AEB): ±3 stops in 1/3-stop
increments. standard exposure, underexposure, and
overexposure sequence. Repeated bracketing enabled
according to current film advance mode. With self-timer,
all three bracketed shots are taken in the continuous
shooting mode regardless the film advance mode.
(2) Manual exposure compensation: ±3 stops in 1/3-stop
increments set with the Quick Control Dial or exposure
compensation button and Main Dial.
(3) AEB and manual exposure compensation can be set
together.
(1) Auto AE lock: Operates in One-Shot AF mode with
evaluative metering when focus is achieved.
(2) Manual AE lock: AE lock button activates AE lock in all
metering modes.
Major Specifications
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