Direct-coupling clip-on type A-TTL/TTL automatic flash with AF auxiliary light (compatible with 5 focusing points when used with EOS 1N), A-TTL pre-flash, auto zoom, and bounce functions.
All Canon EOS cameras.
Auto Zoom: Zoom position is automatically set according to focal length data received for the lens when the shutter button is pressed halfway (SW-1 ON).
Manual Zoom: Zoom position changes sequentially according to manual operation of a push button located on the flash unit.
Wide-angle diffusion panel: When the wide panel is manually pulled into place, the flash automatically zooms to the 28mm position to provide a coverage and angle equivalent to an 18mm lens.
Zoom Stop Positions: Seven Positions: 24mm, 28mm, 35mm, 50mm, 70mm, 80mm, and 105mm (During bounce flash photography when the flash unit is set for auto zoom, the zoom position is automatically set to 50mm).
Equivalent to daylight.
Zoom Speed: Approx. 0.8 sec (at normal temperature).
3-1/8 x 5-7/16 x 4-7/16 in., 80 x 138 x 112 mm.
14oz./405g (without batteries.)