Canon Speedlite 600EX-RT - Manual (Page 34)

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q: Manual Flash
When the Speedlite is used with the EOS-1D series, you can also set
the flash exposure level manually. This is convenient for shooting at a
short distance from the subject. Use a commercially available 18% gray
card and shoot as follows.
1
Set the camera and Speedlite settings.
Set the camera’s shooting mode to <q> or <W>.
Set the Speedlite’s flash mode to <q>.
2
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 <B> or <7> button. (2)
X The Speedlite will fire a preflash and the required flash output for
the correct flash exposure is retained in memory.
X On the right side of the viewfinder, the exposure level indicator
will show the flash exposure level for the standard exposure.
5
Set the flash exposure level.
Adjust the Speedlite’s manual flash level and the
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.
Metered Manual Flash Exposures
Metered manual flash exposure is only available with EOS-1D series
cameras.
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