Canon 550EX AF-Assist Beam Emission Preconditions, Camera’s Flash-Related Exposure Warnings, 123

Specifications

●AF-Assist Beam Emission Preconditions

550EX/Camera Combination	550EX’s AF-Assist	Camera’s AF-Assist
	Beam Emitted	Beam Emitted
EOS-1D, EOS-1V, EOS-3, EOS-1N, EOS-1N RS,
EOS D60, EOS D30, EOS ELAN 7/7E, 30/33,
EOS 50/50 E/ELAN ll/ELAN ll E,
EOS 300/REBEL 2000, EOS 500 N/REBEL G,
EOS 3000N/66/REBEL XSN, EOS IX, EOS IX 7/IX Lite
EOS 1000 N/REBEL ll/1000 FN/REBEL S ll,	?	—
EOS 1000/REBEL/1000 F/REBEL S,
EOS 100/ELAN, EOS 700,
EOS RT, EOS-1, EOS 630/600,
EOS 850, EOS 750, EOS 620, EOS 650
EOS 500/REBEL XS/REBEL X,
EOS 5/A2/A2 E, EOS 10/10 S,	—	?
EOS 5000/888

●Camera’s Flash-Related Exposure Warnings

Mode	Warning Indication	Description	Remarks
	Max. sync speed	The background will	Only the flash
	blinks.	be overexposed.	exposure setting for
Aperture-priority AE			the subject is correct.
			Changing the aperture
			may stop the shutter
			speed from blinking.
	Minimum aperture	The background will
Shutter speed-priority	setting blinks.	be overexposed.	Only the flash
			exposure setting for
AE	Maximum aperture	The background will
			the subject is correct.
	setting blinks.	be underexposed.
	Minimum aperture	The subject is too	Attach a neutral-
	setting blinks.	bright.	density filter to the lens
Program AE			to reduce the amount
			of light received by the
			camera.

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