Canon 0298B002, Instruction Manual, Page: 36 / 118

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• Type
Type: On-camera, E-TTL II/E-TTL/TTL autoflash Speedlite
Compatible cameras: Type-A EOS cameras (E-TTL II/E-TTL autoflash),
Type-B EOS cameras (TTL autoflash)
Guide No.: 43/141 (at 105mm focal length, ISO 100 in meters/feet)
Flash coverage: 24 - 105mm (14mm with wide panel)
• Auto zoom (Flash coverage set automatically to match the
lens focal length and image sensor size)
• Manual zoom
• Flash head swing (bounce flash)
Color temperature
information transmission: Flash color temperature information transmitted to camera
when flash is fired
• Exposure Control
Exposure control system: E-TTL II/E-TTL/TTL autoflash, manual flash
Effective flash range:
0.7 - 24.3 m / 2.3 - 79.7 ft.
(With EF50mm f/1.4 lens * High-speed sync: 0.7 - 12 m / 2.3 - 39.4 ft. (at 1/250 sec.)
at ISO 100)
Flash exposure
compensation:
±3 stops in 1/3- or 1/2-stop increments
FE lock: Provided
High-speed sync: Provided
Flash exposure
confirmation:
Flash exposure confirmation lamp lights
• Flash Recycling
Recycling time: Normal flash: Approx. 3.0 sec. (with size-AA alkaline
batteries)
Flash-ready indicator: Red pilot lamp lights
• Wireless Slave
Transmission method: Optical pulse
Channels: 4
Transmission range: Reception angle: Approx. ±40° horizontal, Approx. ±30°
vertical
Slave-ready indicator: AF-assist beam blinks
Modeling flash: Fired with camera’s depth-of-field preview button
• Custom Functions:
9 (20 settings)
Specifications
A81_04.fm Page 35 Thursday, February 14, 2008 11:50 AM
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