Guide Number
196.85' / 60 m at ISO 100 (200 mm Position)
Auto Zoom Head Yes
Bounce Head -7 to +90°
Swivel Head 360°
Exposure Control
Canon E-TTL / E-TTL II, Manual
Wireless Operation
Optical Pulse (TTL/Manual)
Up to 49.21' / 15 m (Master, Slave)
Radio (TTL/Manual)
Up to 328.08' / 100 m (Master, Slave)

Internal Power
1x Rechargeable
Off-Camera Terminal
2.5 mm
Flash Head
Guide Number
196.85' / 60 m at ISO 100 (200 mm Position)
Coverage
Full-Frame
20 to 200 mm
14 mm (with Wide-Angle Adapter)
Auto Zoom Head
Yes
Bounce Head
-7 to +90°
Swivel Head
360°
Flash Duration
1/300 to 1/20000 Second
Recycle Time
Approx. 0.1 to 1.5 Seconds
Secondary Illumination
No
Exposure Control
Exposure Control
Canon E-TTL / E-TTL II, Manual
Flash Modes
Hi-Speed Sync, Second-Curtain Sync
Power Range
1/1 to 1/128
Flash Compensation
-3 to +3 EV (1/3 EV Steps)

Wireless
Wireless Operation
Optical Pulse (TTL/Manual)
Up to 49.21' / 15 m (Master, Slave)
Radio (TTL/Manual)
Up to 328.08' / 100 m (Master, Slave)
Wireless Channels 32
Wireless Groups 3

Power
Internal Power
1x Rechargeable
External Power Pack Compatible
No

General
Mount
Shoe
Off-Camera Terminal
2.5 mm
Dimensions (W x H x D)
2.5 x 3 x 7.5" / 64 x 76 x 190 mm
Weight
15.17 oz / 430 g