BlattWorld, Item Details: Sigma 500 ST

Electronic Flash EF-500 ST works with AF SLR cameras from all manufacturers with sophisticated flash photography. Projection angle of the flashlight is set automatically to match the focal lengths ranging from 28mm wide-angle to 105mm medium-telephoto. It

incorporates a wide panel that covers angle of view down to 17mm focal length. It enables full automatic flash photography by TTL automatic flash exposure control.

Features

Guide number: 50 setting at 105mm focal length (ISO 100m) / 165 ft (ISO100 ft)
3-D multi-sensor balanced fill flash function for Nikon
For bounce it can be tilted up 90° and down 7° for close-ups
Swivel 180° left and 90° right
Manual flash can be set to full and 1/16 output levels in 2 steps