Cop y – Canon Speedlite 580EX II User Manual

Page 54

• Wireless Flash

Transmission method:

Optical pulse

Channels:

Wireless options:

OFF, Master, and Slave

Transmission range (Approx.): Indoors: 12 - 15 m / 39.4 - 49.2 ft.,

Outdoors: 8 - 10 m / 26.2 - 32.8 ft.
Master unit reception angle: ±40° horizontal, ±30° vertical

Controllable slave groups: 3 (A, B, and C)
Flash ratio control:

1:8 - 1:1 - 8:1 in 1/2-stop increments

Slave-ready indicator:

AF-assist beam blinks

Modeling flash:

Fired with camera’s depth-of-field preview button

• Custom Functions:

14 (32 settings)

• AF-Assist Beam

Linkable AF points:

1 - 45 AF points (28mm or longer focal length)

Effective range (Approx.): At center: 0.6 - 10 m / 2.0 - 32.8 ft.,

Periphery: 0.6 - 5 m / 2.0 - 16.4 ft.

• Power Source

Internal power:

Four size-AA alkaline batteries
* Size-AA Ni-MH and lithium batteries also usable

Battery life
(Approx. flash count):

100 - 700 flashes (with size-AA alkaline batteries)

Wireless transmissions:

Approx. 1500 transmissions (With master unit firing disabled
and size-AA alkaline batteries)

Power saving:

Power off after certain period of idle operation (Approx. 1.5 min.
to 15 min.) (60 min. if set as slave)

External power:

Compact Battery Pack CP-E4

• Dimensions

(W x H x D)

76 x 137 x 117 mm / 3.0 x 5.4 x 4.6 in.
(excluding dust- and water-resistant adapter)

• Weight

(Approx.)

405 g / 14.3 oz. (Speedlite only, excluding batteries)

All specifications above are based on Canon’s testing standards.

Product specifications and external appearance are subject to change without
notice.

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