Sigma EF-610 DG ST Nikon (F19923)

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

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Sigma EF-610 DG ST Nikon (F19923)

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. Autozoom function for changing the illumination angle 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. Bounce-flash function with movable flash head The flash head can be tilted up as much as 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 photography. -- Catch Light Panel 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 a dark place. However, the AF auxiliary light mechanism of the EF-610 DG ST lets you control AF even in situations where autofocusing is difficult. * AF Auxiliary Light is not available with some camera models. For details please refer to the compatibility table. Manual flash power level control In manual flash mode, you can set the flash power level of the EF-610 DG ST with two levels : Full power and 1/16. Auto Power-Off function prevents wasted power Even if the flash is left with the power switched on, it automatically shuts off if left unused for a certain length of time. This conserves battery power in the flashgun. When the shutter button is depressed halfway, the power turns on again and charging resumes. Guide number: 61/m(174/ft) ISO 100/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 (Nikel Metal Hybride) batteries Charging time 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 24 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 320g / 11.3 oz. (without batteries) Dimensions (W x H x D) 77 X 139 X 117mm / 3.0 X 5.5 X 4.6inch