Canon PowerShot G11 - Manual (Page 174)

Using an Externally Mounted Flash (Sold Separately)
174
Canon flashes other than the Speedlite EX series will fire at their full strength. For
the optimal aperture values and ISO speeds for the distance to the subject, refer
to the guide number listed in the flash’s user guide.
• The settings from the flash are applied to the flash mode, flash exposure
compensation, flash output, shutter synchro, and wireless function when you turn
on the camera.
• The following functions can be used.
- Auto Exposure (Set the camera to E-TTL mode)
- FE Lock (When [Flash Mode] is [Auto])
- Auto Zoom (Not available with the 220EX or 270EX)
• Please read the manuals that came with the flash and speedlite
transmitter.
• For continuous shooting, the flash can be used in quick flash mode (pilot
lamp lit green). In this case, light emission may be less than with full
flash (pilot lamp lit red) (580EX II only).
• If the external flash has been set to stroboscopic flash, the flash’s set up
menu cannot be chosen (580EX II only).
Other Canon flashes.
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