Canon T 90 - Manual (Page 112)

2) The final exposure is made by averaging
each exposure value of the three points. The
emphasis of the exposure is put on her face
since it is metered t\wice and the correct
exposure can be obtained, while even the
exposure on the background can be main­
tained since it is metered once.
• The digital values of both the shutter speed
and the aperture appearing at the bottom of
the viewfinder are sequential weighted aver­
ages calculated each time a point is metered.
• The triangle index in the center of the right-
hand LCD is also used as the center point
around which the other readings also
marked by the “e" dot are divided.
• When three points are measured, three fixed
dots are displayed finally.
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