Model Name: Canon Speedlight 320 EX Flash Unit Flashgun | |
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Image: | ![]() |
Fivercam Price (used) UK | |
eBay Price (used) UK | |
Release Date | 2011 |
Strenght / Power | |
Guide Number (ISO100, meters) ![]() | 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 Movement | 0 to +90° |
Swivel (Rotation) Head movement | 270° |
Focal Length Coverage ![]() | 24 - 50 mm (Full Frame) |
Auto Zoom Head ![]() | Yes |
Flash Related Functions | |
Flash Durations ![]() | |
Flash Modes(TTL) ![]() | Canon E-TTL / E-TTL II |
Flash Exposure Compensation / Correction ![]() | -3 EV to +3 EV (in 1/3 and 1/2 EV steps) In-camera control |
Secondary Illumination ![]() | |
Wireles Flash | |
Wireless Operation ![]() | Method: Optical Pulse Distance: Up to 32.81' / 10 m Mode: Slave |
Wireless Groups ![]() | 3 |
Wireless Channels | 4 |
Remote Timing Modes | |
Other Features | |
Mount | Hot-shoe mount flash |
Off Camera Terminal / External Connectors | None |
Included Accessories | |
Other Functions | |
Power Source & Recycle Time | |
Power Source - Batterry | 4 x AA Alkaline, Lithium, Rechargeable NiMH Batteries |
External Power | |
Minimum Recycle Time (Charging time between shooting) ![]() | Approximately 0.1 to 2.3 Seconds |
Battery Life ![]() | Approx. 180-1000 (flashes per set of batteries) |
Dimensions & Weight | |
Dimensions | 2.8 x 4.5 x 3.1" / 70.0 x 115.0 x 78.4 mm |
Weight | 9.70 oz / 275 g without batteries |
More Details or Support Website: | Link |
Item 1 |
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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