Sigma electronic flash EF-500 DG Super is designed to work with both Canon & Nikon 35mm digital autofocus SLR systems.
Sigma EF500 DG Super replaces prior EF500 and EF500ST flash models.
This Sigma camera flash has a maximum guide number of 165 in feet or 50 in meter at 105mm focal length (ISO 100).
Projection angle of the flashlight is set automatically to match the lens focal length ranging from 28mm wide-angle to 105mm medium-telephoto.
Built-in diffuser expands the angle of illumination down to that of 17mm lens.
Sigma EF500 DG enables full automatic flash photography by TTL automatic flash exposure control, and supports Canon E-TTL flash photography modes.
Bounce flash tilts 90° upwards and 7° downward for close-ups.
Swivels 180° to the left and 90° to the right.
Modeling flash mode provides proper light distribution to check the shadow of the subject.
The multi pulse flash features enable reduced power setting from 1/4 to 1/128 in 6 steps and the pulse frequency of the flash can be set from 1Hz to 199Hz.
Sigma EF-500 DG Super incorporates wireless TTL flash photography, slave flash photography, and FP flash photography (synchronized with high shutter speeds).
Manual flash also can be set at 8 output power levels.
The covering focal length of the flashlight can be seen on the LCD panel.
Flash ready signal can be seen in the viewfinder.
Auto power off system.
Power source: 4 AA Alkaline or NiMH batteries, sold separately.
Recycle time: Approx. 6 seconds with alkaline; 4 seconds with NiMH.
Up to 220 flashes with alkaline; up to 100 flashes per charge with NiMH.
Flash dimensions (W x H x L): 3.0 X 5.5 X 4.6 inches / 77x139x117mm.
Sigma EF500 DG Super weighs 11.83 oz. (325g).
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