Sony DSLR-A100 - Manual (Page 55)

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• The flash indicator is displayed only when the flash is pulled up.
( : The default setting)
To perform wireless flash shooting
1 Attach the external flash to the camera (page 145) and turn on the camera and the external flash.
2 Select (Wireless).
3 Remove the external flash from the camera and pull up the built-in flash on the camera.
“WL” appears in the viewfinder and on the LCD monitor.
4 Determine the position of the camera and the external flash.
5 Make sure the built-in flash and the external flash are fully charged.
• The built-in flash is fully charged when appears in the viewfinder.
• The external flash is fully charged when appears on the back of the external flash and the red lamp
flashes on the front of the flash.
(Autoflash) Fires if it is dark or against light.
• This is not selectable when the mode dial is set to A, S, or M.
(Fill-flash) Fires whenever the built-in flash is pulled up.
(Rear sync.) Ordinarily, the flash is fired right after the shutter has been
released, then objects illuminated by other light sources are
captured. This causes certain subjects, such as trailing light,
to appear unnatural when the slower shutter speed is used.
In rear sync mode, the objects illuminated by other light
sources are captured first, then the flash is fired. You can
capture a flowing light or the trail of a moving subject in a
more realistic way when shooting a moving subject using a
slower shutter speed with the flash.
(Wireless) Using the built-in flash or an external flash (not supplied)
mounted on the camera may make certain pictures appear too
flat. In such a case, an off-camera flash in a proper position
can create more contrast, resulting in a more three-
dimensional picture.
Generally, this type of shooting requires the camera and an
off-camera flash to be connected with a cable. This camera
can do this without a cable because it uses the flash light
instead of the cable to transmit the signal. This is called
wireless flash shooting. The exposure is automatically
adjusted to the optimal exposure.
• Wireless flash shooting requires the flash HVL-F56AM or
HVL-F36AM (not supplied).