* Features a powerful guide number of 53.
* Designed to work with the new TTL systems of all the popular manufacturers.
* Covers a focal length from 24mm to 105mm.
* Autozoom function automatically sets the optimum illumination angle.
* A sophisticated multifunctional flash which can control advanced lighting techniques
* Wireless-slave-flash functions
EF-530 DG SUPER features a powerful Guide Number of 53 and is designed to work with the latest TTL auto exposure systems of all popular manufacturers’ digital and film SLR cameras. It features TTL automatic flash exposure control for easy operation.
Among the advanced features of this flash are modeling flash function, multi pulse flash, TTL wireless flash, FP (high speed) flash, rear-curtain Synchro flash and manual flash mode which allows the photographer to set the flash power level by up to eight stops. The Auto Power-Off function automatically shuts off the display to help save battery power. When the flashgun is fully charged, a confirmation ‘ready’ light will be emitted and the flash exposure level can be checked through the cameras viewfinder.
The autozoom function automatically sets the optimum illumination angle in accordance with the lens’ focal length in a range from 24mm to 105mm. When the built-in Wide Panel is used, the flash can cover the angle of 17mm. For bounce flash, the flashgun head can be tilted up by 90 degrees, to the left by 180 degrees, or to the right by 90 degrees. It can also be tilted down by 7 degrees
allowing ease of use for close-up photography.
Review/Test by John Clements, British Journal of Photography, 12 September 2007:
Flashguns by independent manufacturers - are they up to the task?
'Sigma's EF-530 DG-Super came in a Canon dedication and was tested on an EOS 5D then compared to a (Canon) 580 EX Speedlite alongside. The EF-530 DG is a unit with the range of options similar to a flagship model from the likes of Nikon or Canon. This includes flash exposure comensation. This feature alone is a must i shooting on TTL, or in Canon's case E-TTL control, to fine -tune images.
It also provides wireless compatibility but you have to be a little careful if mixing and matching with a Canon Speedlight. If you use two or more Sigma flashes that's fine, but if one is a Canon (or Nikon) with a pre-flash system, you may run into trouble as this triggers the slaved Sigma too soon. In case of a Canon Speedlite alongside, remove it from its E-TTL mode and choose another to lose the pre flash.
When I tested it side-by-side with the 580 EX outside I found that it was linking in beautifully with the Canon system and the camera was treating it and the control of exposure the same way. This was repeated for interior shooting. From this perspective it worked well but the Canon Speedlight has the superior build and nice touches like the hotshoe lock and a more pleasing interface.
Ultimately, it is the price that may count for most; at £220 the Sigma EF-530 DG Super is a real alternative to Canon's own unit at a fraction of the cost. I would recommend a look.'
Specifications:
Guide number: 53/m(174/ft) ISO 100/m(with the zoom head at 105mm)
ZOOM 24mm 28mm 35mm 50mm 70mm 85mm 105mm
G.N.(m) 28 29 31 40 45 48 53
G.N.(ft) 92 95 102 132 149 158 174
Power source Four AA alkaline or AA NiCd or Ni-MH (Nikel Metal Hybride) batteries
Charging time 6 seconds (when using alkaline batteries)Approx. 4 seconds (when using NiCd, Ni-MH batteries)
Number of flashes Approx. 220 flashes (when using alkaline batteries) Approx. 100 flashes (when using NiCd, Ni-MH batteries)
Illumination angle Automatically set in accordance with the focal length of the lens, in a range from 28 mm to 105 mm. Also covers the angle of a 17-mm lens when used with the built-in Wide Panel.
AF auxiliary light Red LED
Bounce angle (Up) 0, 60, 75, 90 degrees
Bounce angle (Right) 0, 60, 75, 90 degrees
Bounce angle (Left) 0, 60, 75, 90, 120, 150, 180 degrees
Tilt angle (Down) 0, 7 degrees
Weight 77 X 139 X 117mm / 3.0 X 5.5 X 4.6inch
Dimensions
(W x H x D) 335g / 11.8 oz. (without batteries)
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