SELECTING EXPOSURE MODE
Selecting the exposure control mode means deciding if you
want the shutter speed and/or lens aperture
to
be set
automatically or manually.
The Nikon N90 camera offers
two
types
of
programmed auto
exposure modes, Auto Multi-Program
(p)
and Vari-Program (P
,)
,
as well as Shutter-Priority Auto (5
),
Aperture-Priority Auto
(Aj,
and Manual
(M)
exposure modes.
50
Programmed auto exposure modes (P
IP
s)
With the
N90's
microcomputer choosing the combination
of
shutter speed and aperture automatically, you can concentrate
on picture composition, without worrying about exposure.
Note
that
programmed
auto
exposure
modes
operate
only
with
Nikon
lenses
that
have
a
built-in
CPU
(AF
Nikkor
and
AI-P
Nikkor
lenses).
When p, for Vari-Program is selected, you have a choice of
seven
options:
(1)
Portrait Program,
(2)
Portrait Program with
Red-
Eye
Reduction,
(3)
Hyperfocal Program,
(4)
Landscape
Program,
(5)
Silhouette Program,
(6)
Sport Program and
(7)
Close-Up Program.
For details about Vari-Program, see pp.
67-85.
Auto Multi-Program
(p)
is
used for most common picture-taking
situations. The chart at right shows the shutter speed/aperture
combinations for Auto Multi-Program that are selected at each
EV
(exposure value) brightness level.
With Auto Multi-Program, you can use the Flexible Program
function to temporarily shift an automatically selected shutter
speed/ aperture combination and obtain the desired shutter
speed/aperture
(p.
55).
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