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Sigma EF-610 DG ST

Mark Peters
Photokina report
Friday 24th, September 2010
Posted by: Mark Peters

News Photokina 2010 - Sigma announces the launch of the new Electronic Flash EF-610 DG ST. The Sigma EF-610 DG ST Flash unit features a powerful Guide Number of 61 and is designed to work with the latest TTL auto exposure systems of all popular digital and film SLR cameras. The Sigma EF-610 DG ST Flash features TTL automatic flash exposure control for easy operation. 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 new Sigma flash can cover the angle of 17mm. For bounce flash, the Sigma flashgun head can be tilted up by 90 degrees, to the left by 180 degrees, or to the right by 90 degrees.

Sigma EF-610 DG ST

Sigma EF-610 DG ST flashgun functions
• Powerful light output with a Guide number of 61.
• Designed to work with all popular cameras.
• Illumination covers a focal length from 24mm to 105mm.
• Fully automatic flash photography for easy operation.

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Sigma EF-610 DG ST specifications
• Power source : 4 AA Alkaline or AA NiCd or Ni-MH batteries
• Charging time : Approx 7 seconds when using alkaline batteries
• Charging time : Approx. 5 seconds when using NiCd, Ni-MH batteries
• Number of flashes : Approx.120 flashes using alkaline batteries
• Number of flashes : Approx. 160 flashes using Nicd, Ni-MH batteries
• Illumination angle : Automatic settings with the focal length of the lens
• Bounce angle (Up,Right) : 0, 60, 75, 90 degrees
• Bounce angle (Left) : 0, 60, 75, 90, 120, 150, 180 degrees
• Bounce angle (Down) : 0, 7 degrees
• Dimensions (WxHxD) : 77mm×139mm×117mm / 3.0in.x 5.5in.x4.6in.
• Weight : 320g (11.3oz.) (without batteries)

Sigma EF-610 DG ST

Sigma EF-610 DG ST Electronic Flash
The new Sigma EF-610 DG ST Electronic Flash can also be tilted down by 7 degrees allowing ease of use for close-up photography. In addition to automatic mode, the flashgun also features a manual flash mode, making it possible to set the flash power to full or 1/16. When the Sigma flashgun is fully charged, a confirmation 'ready' light will be emitted and the flash exposure level can be checked through the camera’s viewfinder. Other features of the new Sigma flashgun include the Auto Power-Off function to help save battery power.

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