Specification Sheet
1
Flash
Compatible Cameras Type-A EOS cameras (E-TTL II/E-TTL autoash)
Flash Coverage
(Focal length; for 35mm
full-frame)
14mm
Wide Panel: Manual
* Not compatible with EF15mm f/2.8 Fisheye or EF8-15mm f/4L Fisheye USM shoot-
ing angles of view
24mm
Zoom
• A: Auto
Flash coverage is set automatically, accounting for [Auto zoom for sensor size] and
[Light distribution] settings at the lens focal length.
• M: Manual
Flash coverage is set manually
[Auto zoom for sensor size] and [Light distribution] settings are not taken into account.
28mm
35mm
50mm
70mm
80mm
105mm
135mm
200mm
Guide Number
• The Guide No. is approximately 46.3 ft./14m at ISO 100.
-When the extendable wide panel is pulled out, the ash coverage is 14mm.
• The maximum Guide No. is approximately 196.9 ft./60m at ISO 100 and 200mm ash
coverage.
-When the extendable wide panel is pulled out, the ash coverage is 14mm.
Maximum Energy 76 Ws.
Flash Modes
(Exposure Control Modes)
Flash Mode
Flash
Exposure
Compensation
FEB FE Lock
Wireless
Radio
Transmission
Optical
Transmission
E-TTL II/E-TTL autoash*¹ Yes Yes Yes Yes Yes
Manual Flash Yes Yes
Stroboscopic Flash Yes Yes
Auto External Flash
Metering
Yes Yes Yes*²
Manual External Flash
Metering
Continuous Shooting
Priority Mode
Yes Yes Yes
Group Firing*³ Yes Yes Yes*⁴ Yes
*1: Set automatically when the camera shooting mode is set to Basic Zone modes.
*2: Only Group ring is available.
*3: Can only be set when the Speedlite is used as a sender in radio transmission wireless operation.
*4: Only groups set to E-TTL II / E-TTL autoash.
Specications