Canon 30D1785 Built-in Flash Range, Flash Sync Shutter Speed and Aperture Settings, ISO Speed

		Using the Built-in Flash
Built-in Flash Range
	(using EF24-85mm F3.5-4.5 USM lens)
ISO Speed	Wide-angle: 24 mm	Telephoto: 85 mm
100	Approx. 1-3.4 m (3.3-11.2 ft)	Approx. 1-2.6 m (3.3-8.5 ft)
200	Approx. 1-4.8 m (3.3-15.7 ft)	Approx. 1-3.7 m (3.3-12.1 ft)
400	Approx. 1-6.8 m (3.3-22.3 ft)	Approx. 1-5.3 m (3.3-17.4 ft)
800	Approx. 1-9.6 m (3.3-31.5 ft)	Approx. 1-7.5 m (3.3-24.6 ft)
1600	Approx. 1-13.7 m (3.3-44.9 ft)	Approx. 1-10.6 m (3.3-34.8 ft)

Flash Sync Shutter Speed and Aperture Settings

Mode	Sync shutter speed	Aperture Value
	Automatically set from 1/200 to 1/60	Automatically set by the E-TTL
	second.	program.
	Manually set to speeds slower than	Automatically set for the metered
	1/200 second.	brightness, according to the shutter
		speed setting.
	Automatically set (1/200 to 30 sec.)
	for the metered brightness, according
	to the aperture value.	Manually set as desired.
	Manually set to speeds slower than
	1/200 second.

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Flash Photography

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