Metering Modes; Evaluative Metering; Center-Weighted Average Metering - Canon BP-511 Instructions Manual

Metering Modes

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: Evaluative Metering

This is an all-around metering mode suited even for
backlit subjects. The viewfinder field is divided into
35 metering zones to which the three AF points are
linked for evaluative metering. The camera deter-
mines the main subject's size, position, brightness,
background, front and back lighting, etc., so that it
can select the proper exposure for the subject at all
times.
When using manual focusing, evaluative
metering is based on the center AF point.
: Partial Metering
This is particularly effective when the background is
much brighter than the subject due to backlighting,
etc. This method uses a center area of approxi-
mately 9.5% of the screen.
The area covered by partial metering is shown on
the left.

: Center-weighted Average Metering

This method meters the average exposure of the
entire viewfinder screen, and gives extra weight to
the center.