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The exposure program for programmed
auto is shown in the following
graph:
F (lensfocal length) <_ 55 mm
--55mm
< F <_135mm
_135mm<F
_',
._ _ _.,_
........
fl 4
f2
f28
_ f4
_
f56
_ is
fll
,,
f16
ovr_
f22
f32
30" 15"
8"
4"
2 _' 1"
2
4
8
15
30
60
125 250 5001000200040008000
Shutter speed
The maximum
and minimum
values for EV vary with ISO sensitivity;
the above graph
assumes an ISO sensitivity of ISO 200 equivalent.
When matrix metering
is used,
values over 171/3 EVa re reduced to 171/3 EV.
216
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