Canon G3 Digital Camera User Manual


 
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Appendix
Using an Externally Mounted Flash (Optional)
You can make your flash photography even clearer and more natural appearing
with the use of a separately sold externally mounted flash. The camera’s auto
exposure function will operate with a Canon Speedlite 220EX, 380EX, 420EX,
550EX, a Macro Ring Lite MR-14EX or a Macro Twin Lite MT-24EX (p. 180). (Except
with the
mode or when [Flash Adjust] is set to [Manual].) Other flashes may fire
manually or not fire at all. Please check the manual for your flash.
Certain functions noted in the manuals for the Canon Speedlite 220EX, 380EX,
420EX, 550EX, the Macro Ring Lite MR-14EX and Macro Twin Lite MT-24EX cannot
be performed when mounted on this camera. Please read this guide before using
one of these flashes on the camera.
1
Attach the flash to the camera’s hot
shoe.
2
Turn the external flash on and turn the mode lever to
(Shooting).
3
Turn the mode dial to a position other than or .
Speedlite 220EX, 380EX, 420EX, 550EX, Macro Ring Lite MR-14EX or
Macro Twin Lite MT-24EX
The flash will automatically adjust its output in the
, , , , ,
and modes when [Flash Adjust] is set to [Auto]. The maximum flash
synchro shutter speed is 1/250 second.
In
mode or when [Flash Adjust] is set to [Manual], the flash will fire with
manual adjustments. The maximum flash synchro shutter speed in this case
is 1/250 second. Set the aperture to an appropriate value according to the
flash’s guide number and the distance to the subject. Check the camera’s
ISO sensitivity setting since the flash’s guide number will change with the
ISO value.