Canon F1N Camera manual Specification

	31 SPECIFICATION
Mechanical Shutter	By removing battery from battery
Operation:	chamber. Only mechanically controlled speeds
	can be used.
Mirror:	Instant-return type with shock-absorbing
	mechanism.
ISO Film Speed Scale:	ISO 6-6400.
Shutter Dial:	1/2000 to 8 sec., ”A”
	(for aperture-priority AE or stopped-down
	AE with AE Finder FN), ”B” (bulb) and ”S”
	(1/90 sec.). Shutter speeds from 1/2000
	to 1 sec., ” S ” and ”B” are in white,
	2 to 8 sees. in yellow and ”A” is in red.
Shutter Button:	Two-step button with electromagnetic release.
	Mechanical release when battery is
	removed from the camera. Pressing it
	halfway activates meter circuit, pressing
	it fully releases the shutter. Can be
	locked by setting self-timer/lock lever
	to ”L.” With cable release socket.
Self-timer/Lock Lever:	Three positions: ”A,” ”L,” and ”S”.
	At ”L,” the shutter button is locked
	as a safety feature. ”S” position is
	for self-timer operation.
Self-timer:	Electronically controlled. Selftimer/lock
	lever set to ”S.” Activated by pressing
	shutter button. Ten-second delay with
	electronic ”beep-beep” sound. Number
	of beeps emitted per second increases
	two seconds before shutter release.
	Cancellation possible.
Stop-down Slide:	For depth-of–field preview or stopped-down
	metering.

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