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manuals
11
Full-field integral mode
Most photographic subjects contain details
of varied brightness. The light reflected by
this type of subject has a mean grey value of
18%, i.e. it is the same as that of a standard
grey area that reflects 18% of the light it
receives. This is the calibration value for all
exposure meters.
The full-field integral mode is suitable for all
subjects in normal light, with no extremes of
light or color, and where the light and dark
areas are fairly evenly distributed over the
entire visual field. For this type of subject,
choose one of the programs that use the
full-field integral mode
A
,
T
or
P
.
Selective mode
This is the method of choice with high-
contrast subjects that have a wide bright-
ness range and correct exposure of a
certain detail is particularly important.
The large central circle in the viewfinder
indicates the field covered in this mode, in
which the exposure meter measures only
the light reflected by the exact area of the
subject that you want determine the expo-
sure. The field is the same size on all focu-
sing screens and for all lenses, whatever
their focal length, and is clearly marked in
the viewfinder. For selective mode, choose
programs
A
and
m
.