Canon speedlite 600ex-rt
The Canon speedlight 600ex-rt is a high output, multi-feature flash unit for Canon EOS cameras. The flash can be used as an on-camera flash that attaches to the hotshoe of the camera, and also as a master or slave unit via wireless (radio or optical) shooting. To accommodate any number of shooting styles, the Speedlite 600EX-RT also has 18 custom functions for the ultimate in flexibility. Options include Flash exposure bracketing controls, modelling flash, test firing controls, AF assist control, power and energy saving features, beep and much, much more. Personal functions, like LCD panel illumination colour and Sender/Receiver configurations are also easily set on the Speedlite.
Guide number; 60 at ISO 100.
Head type; bounce, swivel and zoom.
Zoom flash head covers wide range of 20-200mm
Modes; auto E-TTLii/E-TTL/TTL
Sync speed; 1/250th sec
Power source; 4x AA batteries.