Mount     Shoe
Guide No.     196.85'; (60 m) ISO100 at 200 mm Position
Exposure Control E-TTL / E-TTL II, Manual
Vari-Power     1/1 - 1/128
Bounce Head -7 to 90°
Swivel Head 360°
Coverage 14 - 200 mm (Full Frame)
Zoom Head Full Frame: 20 - 200 mm
Off-Camera Terminal None
Recycle Time Approximately 1.5 Seconds
Flash Duration 1/200 - 1/20000 sec
Flash-Ready Indicator Yes
Compensation -3 EV to +3 EV (in 1/3 and 1/2 EV steps)
Slave Timing Modes Instant Sync
Skip Preflash
Wireless Operation Method: RF
Distance: Up to 328.08' / 100 m
Mode: Master, Slave
Method: Optical pulse
Distance: Up to 82.02' / 25 m
Mode: Master, Optical Slave, Slave
Wireless Communication Channels 5 Channels
Wireless Groups 3 Groups
Power Source 1x Proprietary Rechargeable Li-Ion Battery
Dimensions (W x H x D) 2.5 x 3.1 x 8.3" / 64.0 x 78.0 x 210.0 mm
Weight 15.38 oz / 436 g
Packaging Info
Package Weight 2.8 lb
Box Dimensions (LxWxH) 9.3 x 7.0 x 4.0"