Selecting The Metering Mode - Canon EOS 5D Mark III Instruction Manual

In [z2: Auto Lighting Optimizer], if the checkmark <X> for [Disable

during man expo] is removed, it can be set in the <a> mode (p.142).
When ISO Auto is set, you can press the <A> button to lock the ISO speed.

After recomposing the picture, you can see the exposure level difference

on the exposure level indicator (p.22, 23) compared to when you pressed
the <A> button.
q Selecting the Metering ModeN
You can select one of four methods to measure the subject brightness.
The metering mode is set automatically to evaluative metering in the
<A> mode.
1
Press the <n> button.
2
Select the metering mode.
While looking at the LCD panel, turn

the <6> dial.
q: Evaluative metering
w: Partial metering
r: Spot metering
e: Center-weighted average
Evaluative metering
q
This is a general-purpose metering mode suited
even for backlit subjects. The camera sets the
exposure automatically to suit the scene.
w Partial metering
Effective when the background is much brighter
than the subject due to backlighting, etc. Partial
metering covers approx. 6.2% of the viewfinder
area at the center.
q Selecting the Metering ModeN
metering
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