Canon T 90 - Manual (Page 109)

1
T
When the spot
metering mark
is moved to
• o -
---------
\
■ tt
1
« 1
f
*
►a
y m
F
another point.
F F
r
-(Indicates underexposure
by more than 4,5 steps)
Fixed dot The free dot is displayed (Indicates 2 steps
to determine the exposure brighter than the
level difference main subiect)
• (Indicates
overexposure by
more than 4 5 steps)
< Exposure Level Difference
Comparison >
When you move the spot metering mark to
another point of the subject after the spot
metering button has been pressed, the new
metering value (•) will appear to the right of
the viewfinder as a free dot. You can check
the exposure level difference between the
main subject (stored into memory by the
fixed dot) and another point of the viewfinder,
that exists in the scene before pressing the
shutter button.
• The free dot moves in the range of ±4
steps If the exposure level difference is
±4.5 steps or more, the “A" (+) or “T"
(—) indicator will be displayed Instead of
66 the“«” dot
In most cases, exposure compensation is neces­
sary for the one-point spot metering. Please react
the column of “H/S control” (—> p.69), too.
In order to obtain correct exposure in the one-
point spot metering, factors such as subject con­
trast pattern, reflectivity and latitude of the film in
use must be carefully considered