EF-500 DG ST can be used with Sigma's and other manufactures' AF 35mm SLR cameras
and Digital SLR cameras. It features TTL automatic flash exposure control for
It has a maximum guide number of 50/m (165/ft) w/ISO100. Projection angle of
the flashlight is set automatically to match the lens' focal length ranging
from 28mm wide-angle to 105mm me-dium-telephoto. It incorporates a built-in
diffuser that widens the angle of illumination to 17mm. The `gun enables full
automatic flash photography by TTL automatic flash exposure control. In ad-dition,
manual flash can be set to full and 1/16 output levels in 2 steps.
For bounce flash it can be tilted 90° upwards and 7° downward for close-ups.
It can also be swiv-eled 180° to the left and 90° to the right. Covering
focal length of the flashlight can be seen on the LED panel and the flash ready
signal can be seen in the viewfinder. The EF-500 DG ST incorporates an auto
power off system.
All models feature a new cosmetic finish and the Nikon version incorporates
the unique iTTL exposure control (fully dedicated to the Nikon D-70 digital
Fittings: Sigma SA-STTL, Canon EO-STTL, Minolta MA-MADI, Nikon NA-ITTL and Pentax