Iso Iso Sensitivity - Nikon Coolpix P90 User Manual

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Shooting Options: The Shooting Menu
ISO
ISO Sensitivity
Set to
P, S, A
or
M
-+
MENU
-+
P, S, A, M
(shooting menu) (OJ1 05)
-+
ISO sensitivity
~ensitivily
is
d
measure of how quickly the camera reacts to light The higher the sensitivity,
the less
li~)ht
needed to make an exposure. Although a high ISO rating is suitable for
shootin~J
pictures of subjects In action or in poor lighting, high sensitivity is often associated with
"r:oise" . randomly spaced, brightly colored pixels concentrated in dark parts of the image.
Auto (default setting)
Sensitivity is ISO 64 In bright places; in dark places the camera autor-natically raises
sensitivity to a maximum of ISO 800. In
M
(manual) rnode, sensitivity will be fixed at
ISO
64
if
Auto
is chosen.
High ISO sensitivity auto
The ISO sensitivity is set automatically within the range of ISO 64 to 1600 accordinq
to the brightness of the subject. In
M
(manual) mode, semitivity Will be fixed at ISO
64 if High ISO sensitivity auto is chosen.
Fixed range auto
Choose the range in which the camera automatically adjusts ISO sensitivity, from ISO
64-100
(default setting), ISO
64-200
or- ISO
64-400.
The camera will not raise
sensitivity beyond the maximum value in the selected range. Set the maximum value
for ISO sensitivity for- effective control over the amount of "grain" that appears in
images. In
M
(manual) mode, sensitivity will be fixed at ISO
64
if
Fixed range auto
is chosen.
64,100,200,400,800,1600,3200,6400
ISO Sensitivity will be locked at the specified value.
At settings other than Auto, the current setting is displayed in the monitor ([DS).
If Auto
IS
selected and the sensitivity is raised above ISO 64, the
[§])
icon will be displayed
([D34). When High ISO sensitivity auto is selected ~ will be displayed, and ~ arid the
maximum ISO sensitivity value are displayed when Fixed range auto is selected.
~
Notes on ISO Sensitivity 3200 and 6400
• Whel) 3200 or 6400 is selected
for ISO sensitivity,
the image size will display in
red durin~}
'.;hooting.
• When
ISO sensitivity
is
set to
3200
or
6400,
Image size
(CD
I (8) cannot be set to
~
4000x3000,
~
3264x2448,
~
2592xl 944,
E3
3984x2656,
~
3968x2232
,Hid
L!:,1 2992x2992. At these im,1cle
size
settirlqs, selee til1Cj 3200 or 6400 for
ISO sensitivity
dutOl1 iiltiCcllly swite hes the Irilaqe size settil1~1 to
r3'
2048xl 536. The last imaye size
Settlllg
':1pplied
is restored when any
settin~J
other than 3200 ur 6400 is selected for
ISO sensitivity.