Canon Speedlite 600 EX-RT User Manual (en, zh)

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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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