Model Name: Sigma EF-530 DG ST Flash Unit Flashgun For Canon | |
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Image: | ![]() |
Fivercam Price (used) UK | |
eBay Price (used) UK | |
Release Date | July 2007 |
Strenght / Power | |
Guide Number (ISO100, meters) ![]() | 92' (28 m) at 24mm 132' (40 m) at 50mm 174' (53 m) at 105mm |
Power Level Switching (Vari-power Range) | 1/1, 1/16th |
Head & Coverage | |
Bounce (Up-Down) Head Movement | 90° up, 7° down |
Swivel (Rotation) Head movement | 90° to right, 180° to left |
Focal Length Coverage ![]() | 84° to 23° (24-105mm lenses in 35mm format) 103° (17mm with Wide Panel supplied) |
Auto Zoom Head ![]() | 24-105mm auto-zoom (flash senses focal length & adjusts) |
Flash Related Functions | |
Flash Durations ![]() | about 1 / 700 sec |
Flash Modes(TTL) ![]() | Yes (E-TTL II) |
Flash Exposure Compensation / Correction ![]() | |
Secondary Illumination ![]() | |
Wireles Flash | |
Wireless Operation ![]() | |
Wireless Groups ![]() | |
Wireless Channels | |
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 | Four 1.5-Volt "AA" batteries (alkaline, lithium, NiCad & NiMH) |
External Power | |
Minimum Recycle Time (Charging time between shooting) ![]() | 6 seconds (based on fresh alkaline batteries & full power) 4 seconds (based on fresh Ni-MH batteries & full power) |
Battery Life ![]() | Battery lasts / shots per battery Approx. 220 flashes (when using alkaline batteries) Approx. 100 flashes (when using NiCd, Ni-MH batteries) |
Dimensions & Weight | |
Dimensions | 3.0 x 5.5 x 4.6" (76 x 140 x 117mm) WxHxD |
Weight | 10.8 oz (305 g) |
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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