Camera Flash / Speedlight: Canon Speedlight 320 EX Flash Unit Flashgun
Model Name: Canon Speedlight 320 EX Flash Unit Flashgun
Image:Canon Speedlight 320 EX Flash Unit Flashgun
Fivercam Price (used) UK
eBay Price (used) UK
Release Date2011
Strenght / Power
Guide Number (ISO100, meters) Flash Specs 104.99' / 32 m ISO 100 at 50 mm Position
Power Level Switching (Vari-power Range)1/1 to 1/64
Head & Coverage
Bounce (Up-Down) Head Movement0 to +90°
Swivel (Rotation) Head movement270°
Focal Length Coverage Flash Specs 24 - 50 mm (Full Frame)
Auto Zoom Head Flash Specs Yes
Flash Related Functions
Flash Durations Flash Specs
Flash Modes(TTL) Flash Specs Canon E-TTL / E-TTL II
Flash Exposure Compensation / Correction Flash Specs -3 EV to +3 EV (in 1/3 and 1/2 EV steps) In-camera control
Secondary Illumination Flash Specs
Wireles Flash
Wireless Operation Flash Specs Method: Optical Pulse Distance: Up to 32.81' / 10 m Mode: Slave
Wireless Groups Flash Specs 3
Wireless Channels4
Remote Timing Modes
Other Features
MountHot-shoe mount flash
Off Camera Terminal / External ConnectorsNone
Included Accessories
Other Functions
Power Source & Recycle Time
Power Source - Batterry4 x AA Alkaline, Lithium, Rechargeable NiMH Batteries
External Power
Minimum Recycle Time (Charging time between shooting) Flash Specs Approximately 0.1 to 2.3 Seconds
Battery Life Flash SpecsApprox. 180-1000 (flashes per set of batteries)
Dimensions & Weight
Dimensions2.8 x 4.5 x 3.1" / 70.0 x 115.0 x 78.4 mm
Weight9.70 oz / 275 g without batteries
More Details or Support Website: Link
Item 1
Fivercam Wiki information:

There are three ways to trigger off-camera flash units wirelessly: via infrared, radio signals or a hybrid method that involves both infrared and radio. The infrared system works like the TV remote; there need to be a direct line of sight for the signal to reach the destination. The radio signal has no line-of-sight limitations, but comes at a rather high cost. The hybrid system simply takes the infrared signal from the commander, converts it over to radio and then converts it back to infrared on slave units.

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