Nikon D700 User Manual page 431

Problem
Randomly-spaced bright
pixels ("noise") appear in
photos.
AF-assist illuminator does
not light.
Photos are blotched or
smeared.
Colors are unnatural.
Solution
• Choose lower ISO sensitivity or
turn high ISO noise reduction on.
• Shutter speed is slower than 1 s:
use long exposure noise
reduction.
• Camera is in focus mode C.
• Center focus point is not selected
for single-point AF or dynamic-
area AF.
• Off selected for Custom Setting
a9 (Built-in AF-assist
illuminator).
• Illuminator has turned off
automatically. Illuminator may
become hot with continued use;
wait for lamp to cool down.
• Clean lens.
• Clean low-pass filter.
• Adjust white balance to match
light source.
• Adjust Set Picture Control
settings.
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