Canon EOS-3 manual 142, Shutter

Major Specifications

Multiple exposures:	Max. 9 multiple exposures. Cancels automatically after all
	multiple exposures are taken. (Cancelable and resettable at
	any time.)

■ AF
Type:	TTL-AREA-SIR with a CMOS sensor
Focusing points:	Area AF with 45 focusing points (Custom Function can limit
	this to 11)
AF working range:	EV 0-18 (at ISO 100)
Focusing modes:	(1)	One-Shot AF: Autofocus stops when focus is achieved.
		AF lock enabled. Shutter releases only when focus is
		achieved.
	(2)	Predictive AF with AI Servo AF: Tracks subject
		movement up to the start of exposure. Predictive AF
		enabled. The shutter can be released at anytime
		regardless of focus (predictive AF control takes effect
		during continuous shooting), no in-focus indicator (blinks
		at 8 Hz only if AF fails).
	(3)	Manual focusing: Enabled with the focusing ring when the
		lens focus mode is set to MF (or M).
	(4)	Manual focusing: Enabled with the electronic focusing
		ring during continuous shooting (except during film
		exposure).
In-focus indicator:	Lights in viewfinder (●) and beeps. (Beeper can be disabled.).
Focusing point selection:	(1)	Automatic selection: Focusing point camera-selected.

(2)Manual selection: Focusing point manually-selected.

(3)Eye-Control selection: Focusing point eye-selected.

AF focusing point indicator: Superimposed focusing point in viewfinder

AF-assist beam:	Emitted automatically by the attached EOS Speedlite when
	necessary.

■ Shutter
Type:	Vertical-travel, focal-plane shutter with all speeds
	electronically-controlled.
Shutter speeds:	30 to 1/8000 sec. in 1/3-stops, X-sync at 1/200 sec.
Shutter release:	Soft-touch electromagnetic release
Self-timer:	Electronically-controlled with 10-sec. or 2-sec. delay. Lamp
	blinks (2 Hz, then 8 Hz for the remaining two sec.). Self-timer
	countdown on LCD panel. Self-timer cancelable by turning the
	main switch to L.

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