216
n
Shooting (
P
,
S
,
A
, and
M
Modes)
Noise (bright spots, randomly-spaced bright pixels, fog, or lines) appears in photos
:
•
Bright spots, randomly-spaced bright pixels, fog, and lines can be
reduced by lowering ISO sensitivity. Randomly-spaced bright pixels at
high ISO sensitivities can be reduced by enabling high ISO noise reduc-
tion (
•
Use the
Long exposure NR
option in the 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 tempera-
ture 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.
Smudges appear in photographs
: Clean the front and rear lens elements or the
dust shield (
206).
Flicker or banding appears in movies or in the display
: Choose a
Flicker reduc-
tion
setting that matches the local AC power supply (
No flash
: See page 107. The flash will not fire when off (
103); in
P
,
S
,
A
,
M
,
and self-portrait modes, the flash will not fire when lowered.
Menu items are grayed out and unavailable
: Some options are only available in
particular shooting or exposure modes.
The shutter release is disabled
: You selected mode
S
after choosing a shutter
speed of “Bulb” in mode
M
(
70). Choose a different shutter speed.
Some shutter speeds are not available
: You are using the flash.
Colors are unnatural
:
•
Adjust white balance to match the light source (
•
Adjust Picture Control settings (
Cannot measure white balance
: The subject is too dark or too bright (
Picture Controls produce varying results
:
A
(auto) is selected for sharpening,
contrast, or saturation. For consistent results over a series of photos,
choose another setting (
Noise (reddish areas and other artifacts) appears in long time-exposures
: Enable
long exposure noise reduction (