Canon POWERSHOT S2 IS User Manual page 91

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Light metering measures the brightness of a subject. By selecting the
optimal mode, you can shoot a subject with the optimal exposure.
Evaluative metering is the default metering mode.
The camera divides images intoseveral zones for light metering.
Thecamera evaluatescomplex lighting conditions,suchas the
C_ Evaluative of the the the the direct position subject, brightness, background,
light,and the backlighting,and adjusts the settingsto the correct
exposurefor the main subject.
Center-Weighted Averagesthe light meteredfrom the entireframe, but gives greater
I- "3
!_ J Average weight to the subject matterat the center.
Spot AE Point Meters the areawithin the spot AE point frame.
Ce_ Center Locksthe spot meteringframe to the center of the LCD monitor.
AF Point Movesthe spot AE pointto the AF frame.
1 Press the [] button to select a metering mode.
• Each press of the [] button changes the metering mode as follows.
C_ (Evaluative) ____ _ _ (Center-Weighted Averaging)
T_ _o_ (Spot AE Point) J
• The icon of the currently selected light metering mode appears on the
LCD monitor (or viewfinder).
[Evaluative] and [Center-Weighted Averaging] shoot the subject as it
appears.
To set [Spot AE Point], go to Step 2.
2 In the [r_(Rec.)] menu, select [Spot
AE Point],
See Selecting Menus and Settings (p. 73).
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