Canon EOS 550D 用户手册

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页码 260
86
The metering mode measures the subject’s brightness to determine the 
correct exposure. Normally, evaluative metering is recommended.
1
Select [Metering mode].
 
Under the [2] tab, select [Metering 
mode
], then press <0>.
2
Set the metering mode.
 
Press the <U> key to select the 
metering mode, then press <0>.
q
 Evaluative metering 
This is an all-around metering mode suited for 
portraits and even backlit subjects. The camera 
sets the exposure automatically to suit the 
scene. This metering mode is set automatically 
in Basic Zone modes.
w
 Partial metering
Effective when the background is much brighter 
than the subject due to backlighting, etc. The 
gray area in the figure is where the brightness is 
metered to obtain the standard exposure.
r
 Spot metering
This is for metering a specific part of the subject 
or scene. The gray area in the left figure is 
where the brightness is metered to obtain the 
standard exposure. This metering mode is for 
advanced users.
e
 Center-weighted average metering
The brightness is metered at the center and 
then averaged for the entire scene. This 
metering mode is for advanced users.
q
 Changing the Metering ModeN
COP
Y