336
Noise (bright spots, randomly-spaced bright pixels, fog, or lines) appear in photos
:
•
Bright spots, randomly-spaced bright pixels, fog, and lines can be
reduced by lowering ISO sensitivity.
•
Use the
Long exposure NR
option in the photo shooting menu to limit
the occurrence of bright spots or fog in photos taken at shutter speeds
slower than 1 s (
•
Fog and bright spots may indicate that the camera’s internal
temperature has become elevated due to high ambient temperatures,
long exposures, or similar causes: turn the camera off and wait for it to
cool before resuming shooting.
•
At high ISO sensitivities, lines may appear in photos taken with some
optional flash units; if this occurs, choose a lower value.
•
At high ISO sensitivities, including
Hi BW1
or
Hi BW2
and high values
selected with auto ISO sensitivity control, randomly-spaced bright
pixels can be reduced by selecting
High
,
Normal
, or
Low
for
High ISO
NR
in the photo or movie shooting menu (
•
At high ISO sensitivities, bright spots, randomly-spaced bright pixels,
fog, or lines may be more noticeable in long exposures, multiple
exposures, and photos taken at high ambient temperatures or with
Active D-Lighting enabled,
Flat
selected for
Set Picture Control
130) or extreme values selected for Picture Control parameters
•
In
%
mode, randomly-spaced bright pixels, fog, or lines may be more
noticeable in pictures shot under low light.
Flicker or banding appears in live view
: Choose an option for
Flicker reduction
that matches the frequency of the local AC power supply (
290).
Bright regions or bands appear in live view
: A flashing sign, flash, or other light
source with brief duration was used during live view.
Sound is not recorded with movies
:
Microphone off
is selected for
Microphone sensitivity
in the movie shooting menu (
273).