Sigma | Sigma EF-610 DG Standard Flash
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The Sigma EF-610 DG ST is multifunctional shoe mount type flash, designed to work with digital SLR cameras of most popular manufacturers and features a powerful Guide Number 61. This flash unit provides fully automatic flash photography for digital SLR cameras with automatic TTL exposure control. It combines a convenient array of functions with ease of handling, and include an Autozoom function that automatically sets the optimum illumination angle between 24mm and 105mm, as well as offering bounce and swivel capability.

Equipped with New TTL Auto Flash Exposure

The EF-610 DG ST is designed to work with the latest TTL auto exposure systems of most popular manufacturers` digital SLR cameras. The camera will control the amount of flash lighting to achieve the appropriate exposure for the subject.

Bounce-flash function with movable flash head.

The flash head can be tilted up by as much as to 90° and swivel to the left by 180°, or to the right by 90°. Bounce photography, in which light is reflected off a white wall or the ceiling or a reflector, increases your range of photographic expression. As the flash head can also be tilted down by 7°, the flashgun can also be used for close-up shots.

Modeling Flash function to check for shadows.

Like a studio flash unit equipped with a modeling lamp, the EF-610 DG SUPER also offers a modeling flash function, enabling the user to check for intense reflections and shadows before taking the flash photograph.

*In the case of Canon fitting flashguns, it can only be used with Canon cameras equipped with a Modeling Flash function.

Autozoom function for changing the illumination angle in accordance with the lens' angle of view.

This 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 an angle of up to that of a 17mm lens.

*Autozoom function is not available with some camera models. For details please refer to the compatibility table.


This flash is equipped with a built-in catch light panel, which can create a sparkle in the eyes of the subject when the bounce flash mode is activated.

AF Auxiliary Light for accurate auto-focus in low light conditions.

AF may not work efficiently in dark conditions. However, the AF auxiliary light mechanism of the EF-610 DG SUPER lets you control AF even in situations where autofocusing is difficult. (With some cameras, AF auxiliary light may not work, please refer to a compatibility table)

* AF Auxiliary Light is not available with some camera models. For details please refer to the compatibility table.

Manual flash power level control

The flash power level of the EF-610 DG SUPER can be set from full to 1/128 for Sigma and Canon mounts, and full to 1/64 for Sony, Nikon, and Pentax mounts.

Auto Power-Off function prevents wasted power.

Even if the flash is left with the power on, it automatically shuts off, if it is not operated for a certain length of time. This conserves battery power in flash photography. When the shutter button is depressed halfway, the power turns on again, and charging resumes.


Guide Number:61/m (200/fit) ISO100/m
(with the zoom head at 105mm)
ZOOM 24mm 28mm 35mm 50mm 70mm 85mm 105mm
G.N.(m) 34 35 36 46 52 56 61
G.N.(ft) 112 115 118 151 171 184 200
Power source Four AA Alkaline or AA NiCd or Ni-MH (Nickel Metal Hydride) batteries
Charging time Approx 7 seconds (when using alkaline batteries) Approx. 5 seconds (when using NiCd, Ni-MH batteries)
Number of flashes Approx.120 flashes (when using alkaline batteries) Approx. 160 flashes (when using Nicd, Ni-MH batteries)
Illumination angle Automatically set in accordance with the focal length of the lens, in a range from 24mm to 105mm. Also covers the angle of a 17mm lens when used with the built-in Wide Panel.
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
(W X H X D)
77mm×139mm×117mm / 3.0in. X 5.5in. X 4.6 in.
Weight 320g (11.3oz.) (without batteries)

* The appearance and specifications are subject to change without notice.

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