Canon Speedlite 600EX II-RT Flash

Guide Number :
60m at ISO 100 & 200mm flash head position

Distance Range :
0.5-30 m at f/1.4

Exposure Modes :
E-TTL / E-TTL II, manual

Recycle Time :
Normal flash: 0.1-5.5 sec
Quick flash: 0.1-3.3 sec

Manual Power Range :
1/1 - 1/128

Compensation Range :
-3 EV to +3 EV (in 1/2 and 1/3 EV steps)

Remote Trigger Options :
Method: RF
Distance: Up to 30 m
Method: Optical pulse
Distance: Up to 15 m

Strobe :
Yes

Head Movement :
360º swivel & -7° to +90° tilt

Head Zoom Range :
14-200mm

Power Source :
4x AA Alkaline, Lithium, Rechargeable NiMH Batteries

Weight :
435 g