sigma ef-610 dg super electronic flash for canon digital slr cameras
the ef-610 dg super features a powerful guide number of 200ft 61m and is designed to work with the latest ttl auto exposure systems of all popular digital and film slr cameras . the autozoom 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 17mm . for bounce flash the flashgun head can be tilted up by 90 degrees to the left by 180 degrees or to the right by 90 degrees . it can also be tilted down by 7 degrees allowing ease of use for close-up photography . among the advanced features of this flash is a modeling flash function multi-pulse flash ttl wireless flash fp high speed flash rear-curtain synchro flash and manual flash mode which allows the photographer to set the flash power level by up to eight stops . the auto power-off function automatically shuts off the lcd panel to help save battery power . when the flashgun is fully charged a confirmation ready light will be emitte