Owner's Manual

98
Type
Flash Head (Light-emitting unit)
Exposure Control
Specifications
Type: E-TTL II/E-TTL autoflash
Shoe-mount Speedlite
Compatible cameras: Type-A EOS cameras (E-TTL II/E-TTL autoflash)
* Autoflash is not possible when using Type-B EOS cameras.
Guide No.: Approx. 43/141.1 (at 105 mm flash coverage, ISO 100,
in meters/feet)
* Without color filter or bounce adapter
Flash coverage: Supports a shooting angle of view with a lens focal
length of 24-105 mm (with wide panel use: 14 mm)
• Automatic setting
(Automatically sets the flash coverage depending on the
shooting angle of view and the image sensor size.)
• Manual setting
Bounce: 90° up, 150° left, 180° right
Bounce adapter provided can be used
Flash duration: Normal flash: Approx. 1.8 ms or less, Quick flash: 2.3 ms
or less
Color temperature
information transmission:
Flash light color temperature information transmitted to
camera when flash is fired
Color filter: Color filter provided can be used
Exposure control system: E-TTL II/E-TTL autoflash, manual flash
Effective flash range:
(with EF50mm
f/1.4 lens at ISO 100)
Normal flash: Approx. 0.7 - 23.6 m / 2.3 - 77.4 ft.
Quick flash: Approx. 0.7 - 13.6 m / 2.3 - 44.6 ft. (at Guide
No. 19.1/62.7, in meters/feet)
High-speed sync: Approx. 0.7 -12.8 m / 2.3 - 42.0 ft. (at
1/250 sec.)
Flash exposure
compensation:
±3 stops in 1/3- or 1/2-stop increments
FE lock: Possible with the camera’s Multi-function button or FE
lock/AE lock buttons
High-speed sync: Possible
*
During radio transmission wireless shooting, high-speed
sync is possible only with EOS DIGITAL cameras released
in and after 2012 (except with EOS REBEL T5/1200D).
Manual flash: 1/1 - 1/128 power (1/3-step increments)
Modeling flash: Fired with camera’s depth-of-field preview button or
Speedlite’s test flash button