Nikon D100 Product Manual - Page 151

Setting Sensitivity

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Menu Guide-The Shooting Menu Shooting Options Setting Sensitivity: ISO The ISO menu controls sensitivity, the digital equivalent of film speed. Options range from ISO 200 (roughly equivalent to a film speed of ISO 200) to ISO 1600 (ISO 1600 equivalent) in steps equivalent to 1/3 EV. Higher values of HI-1 (approximately equivalent to ISO 3200) and HI-2 (approximately SHOOTING MENU ISO 200 OK 250 320 400 equivalent to ISO 6400) are also available for situ- ations in which high sensitivity is a priority. HI-1 and HI-2 are not available when ON is selected for Custom Setting 3 (ISO Auto). HI-1/HI-2 Photos taken at settings of HI-1 and HI-2 will likely contain appreciable amounts of noise. Use only to capture natural lighting under low light conditions or when a fast shutter speed is required to prevent blurring. We recommend that image sharpening ( 140) be turned off at these settings to avoid heightening the effects of noise. Noise can be reduced at shutter speeds of 1/2 s or slower by selecting ON for Custom Setting 4 (Long Exp. NR). For more information on: 48 Sensitivity (ISO equivalency) 139

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Shooting Options
Menu Guide—The Shooting Menu
139
Setting Sensitivity:
ISO
The
ISO
menu controls sensitivity, the digital
equivalent of film speed.
Options range from
ISO
200
(roughly equivalent to a film speed of ISO 200)
to
ISO 1600
(ISO 1600 equivalent) in steps equiva-
lent to
1
/
3
EV.
Higher values of
HI-1
(approximately
equivalent to ISO 3200) and
HI-2
(approximately
equivalent to ISO 6400) are also available for situ-
ations in which high sensitivity is a priority.
HI-1
and
HI-2
are not available when
ON
is selected for Custom Setting 3 (
ISO
Auto
).
OK
ISO
200
250
320
400
SHOOTING MENU
HI-1/HI-2
Photos taken at settings of
HI-1
and
HI-2
will likely contain appreciable amounts of
noise.
Use only to capture natural lighting under low light conditions or when a fast
shutter speed is required to prevent blurring.
We recommend that image sharpening
(
140) be turned off at these settings to avoid heightening the effects of noise.
Noise
can be reduced at shutter speeds of
1
/
2
s or slower by selecting
ON
for Custom Setting 4
(
Long Exp. NR
).
For more information on:
48
Sensitivity (ISO equivalency)