Canon Speedlite 470EX-AI, Instruction Manual

Page: 53 / 116

53
W AI.B Full-Auto Shooting
The flash head does not move when the camera’s depth-of-field
preview button is pressed.
To check whether or not the camera’s depth-of-field preview button
can be used to start distance measurement in AI.B full-auto mode
(checking if the camera is compatible), see page 46.
The bounce angle is not automatically corrected even when the
orientation (position) of the camera is changed.
Double-clicking the camera’s shutter button (pressing the shutter
button halfway two times in a row within a short period) activates the
flash head to move automatically, resetting the bounce angle to
substantially the same angle as before you changed the orientation
(position) of the camera.
Pictures are underexposed (insufficiently exposed).
During bounce flash photography, less light reaches the subject and
thus underexposure (insufficient exposure) is prone to occur. Take
the action such as taking the picture as close to the subject as
possible, increasing the camera’s ISO speed, or opening the
aperture of the lens before shooting.
Further, when the ceiling or wall for bouncing the flash light on is too
far away, the ceiling is a dark color, or the ceiling is stepped or
uneven, shooting with the appropriate exposure may not be possible
since not enough light may reach the subject.
The color of the subject is not right.
If the surface for bouncing the flash light is not white, a color cast
may result in the picture or shooting with the appropriate exposure
may not be possible since the bounced flash light may not reach the
subject. Select a ceiling or wall that is close to a white color for
bouncing the flash light off for high reflectance.
If the battery is not installed in the camera, the warning on the Speedlite may
not be correctly displayed when the <
X
> button is pressed.