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Taking Photographs—Sensitivity (ISO Equivalency)
“Sensitivity” is the digital equivalent of fi lm speed. The higher the sensitivity,
the less light needed to make an exposure, allowing higher shutter speeds
or smaller apertures.
Sensitivity can be set between values roughly equivalent to ISO 200 and ISO
1600 in steps equivalent to
1
/3 EV. Higher values of HI-1 (approximately equiv-
a lent to ISO 3200) and HI-2 (approximately equivalent to ISO 6400) are also
avail able for sit u a tions in which high sensitivity is a priority. Sensitivity can be
adjusted using the ISO option in the shooting menu or by pressing the ISO
button and rotating the main command dial.
The ISO Menu
1
Highlight ISO in the shooting menu ( 168)
and press the multi selector to the right.
HI-1/HI-2
The higher the sensitivity, the more likely pictures are to be subject to “noise” in the
form of randomly-spaced, brightly-colored pixels. Pho tos taken at set tings of HI-1
and HI-2 will likely con tain ap pre cia ble amounts of noise. Use only to capture natural
light ing under low light conditions or when a fast shutter speed is required to prevent
blurring. Nikon rec om mends that image sharpening ( 65) be turned off at these
set tings to avoid height en ing the effects of noise.
2
High light the de sired op tion and press the
multi se lec tor to the right. The shooting menu
will be displayed.
Sensitivity (ISO Equivalency)
Reacting Faster to Light
A
200
A
A
I
0°
OFF
SHOOTING MENU
White bal.
ISO
Image sharpening
Tone compensation
Color mode
Hue adjustment
Intvl timer shooting
Non-CPU lens data
OK
200
250
320
400
500
640
800
ISO
SHOOTING MENU