Canon SPEEDLITE 580EX II Instruction Manual page 24

Metered Manual Flash Exposures
When the Speedlite is attached to an EOS-1 0 series camera, you can
set the flash level manually for closeup subjects.
1
Set the camera and Speedlite.
~
Set the camera's shooting mode to <
M
> or <
Av
>.
• ' Set the Speedlite to manual flash.
42
Focus the subject.
.' Focus manually.
3
Set up an 18% gray card.
• Place the gray card at the subject's position.
• In the viewfinder, the entire spot metering circle at the center
should cover the gray card.
4
Press the <
FEL
> button.
(816)
~
The Speedlite will fire a preflash and the required flash output for
the subject is retained in memory.
~.
On the right side of the viewfinder, the exposure level indicator
will show the flash exposure level for the correct flash exposure.
S
Set the flash exposure level.
• Adjust the Speedlite's manual flash level and the
camera aperture so that the flash exposure level
aligns with the standard exposure index.
6
Take the picture.
• Remove the gray card and take the picture.
[i]
This feature works only with EX-series Speed lites with manual flash coupled
with an EOS-1D series camera.
23