Camera User Guide G3

178
Using an Externally Mounted Flash (Optional) (continued)
• When [Flash Adjust] is set to [Manual], the flash output can be adjusted.
When [Flash Adjust] is set to [Auto] the flash exposure compensation can be
adjusted (p. 100).
•In
mode or when [Flash Adjust] is set to [Manual], the output of an
externally mounted flash can be adjusted in the flash output adjustment
screen (p. 101). When a Speedlite 550EX, a Macro Ring Lite MR-14EX or a
Macro Twin Lite MT-24EX is mounted on the camera, you can adjust the
flash output from either the flash or the camera. To set it from the flash, you
are recommended to use the flash’s manual mode. You can also adjust the
flash output even when the camera is set to the E-TTL automatic flash
exposure compensation mode by changing the flash exposure
compensation setting. In this situation, the +2 step setting fires the flash at
full intensity.
To shoot with the flash, you are recommended to set the white balance to
the
(Flash) setting.
Other Canon Flashes
• Since other flashes fire at full strength, set the shutter speed and aperture
accordingly. Set the shutter speed to 1/125 second or slower, and set the
aperture to a value appropriate to the flash’s guide number and the distance
to the subject. You are recommended to set the white balance to
(Flash)
to shoot.
4
Press the shutter button halfway to focus.
• The flash is charged when its pilot lamp lights up.
5
Press the shutter button all the way to shoot the image.
• The externally mounted flash will not fire in , or continuous shooting.
• The Bracket mode cannot be used for flash photography. If the flash fires, only
one image gets recorded.
• Please note that flashes (especially high-voltage flashes) or flash accessories made
by other manufacturers may cause a camera malfunction.