Canon EOS-1D X Mark II DSLR Camera (Body Only) - Manual (Page 240)

q Selecting the Metering Mode
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With multiple spot meter readings, you can see the relative exposure
levels of multiple areas in the picture and decide the final exposure to
obtain the desired result.
Multi-spot metering can be used in the <
d >, < s >, and < f > modes.
1
Set the metering mode to < r > (spot metering).
2
Press the < B > button ( 8 ) .
Aim the spot metering circle over the area where you want to
check a relative exposure reading, then press the <
B > button.
Do this for all the multiple areas you want to meter.
X On the right of the viewfinder, the relative exposure level will be
displayed for the spot meter readings taken. For the exposure,
the average of the spot meter readings will be set.
In this state, you can set the final exposure to achieve the desired
photographic expression while comparing the exposure level
against the three marks on the exposure level indicator.
Multi-Spot Metering
You can take up to eight spot meter readings for one picture.
The exposure level retained in memory from multi-spot readings will be
deleted in the following cases:
• After the spot metering timer ends (
8 ).
• You pressed the < W >, < o >, < Q >, < i >, < S >,
< O >, or < B > button.
Even when [ 8 1: Spot meter. linked to AF pt ] is set to [ Linked to
active AF point ] (p.425), multi-spot metering can be performed.