Nikon D200 - Manual (Page 163)

153
S
etup
Cu
stom S
ettings
Option Description
Off
(default)
ISO sensitivity remains fi xed at value selected by user, regardless of whether
optimal exposure can be achieved at current ex po sure settings.
On
If optimal exposure can not be achieved at ISO sensitivity selected by user,
ISO sen si tiv i ty is adjusted to compensate, to min i mum ap prox i mate ly equiv-
a lent to ISO 200 and max i mum selected using Max. Sensitivity option.
Flash level is adjusted appropriately when fl ash is used. In exposure modes
P and A, ISO sensitivity will be adjusted if photo would be overexposed at
shutter speed of
1 /
8 , 0 0 0
or underexposed at value selected for Min. Shutter
Speed. Otherwise camera adjusts ISO sensitivity when limits of exposure
metering system are exceeded (mode S) or when optimum exposure can
not be achieved at shutter speed and aperture selected by user (mode M).
ISO sensitivity can not be set to values over 1600 while this option is in ef-
fect.
Max.
Sensitivity
Menu shown at right is displayed. Highlight desired
ISO value and press multi selector right to return to
ISO auto menu.
Min.
Shutter
Speed
Menu shown at right is displayed. Highlight desired
shutter speed and press multi selector right to return
to ISO auto menu.
When On is selected, the control panel and viewfi nder
show ISO-AUTO. When sensitivity is altered from the value
selected by the user, these indicators blink and the altered
value is shown in the viewfi nder (the indicators do not
blink if a fl ash is used).
ISO Auto > On
When a fl ash is used, foreground subjects may be underexposed in photos taken at slow
shutter speeds, in daylight, or against a bright background. Choose a fl ash mode other
than slow sync or select mode A or M and choose a larger aperture.
If a shooting menu bank in which ISO sensitivity has been set to a value greater than 1600 is
chosen after On is selected, ISO sensitivity will not be ad just ed automatically. ISO sensitiv-
ity will also not be ad just ed automatically if a Custom Set tings bank in which On is selected
is chosen after ISO sensitivity has been set to a value over 1600.