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352 Technical Notes
Can not select focus point:
• e(Auto-area AF; 0 83) is selected: choose another AF-area mode.
• Press shutter-release button halfway to start standby timer (044).
Can not select AF-area mode: Manual focus selected (078, 164).
AF-assist illuminator does not light:
• AF-assist illuminator does not light if AF-C is selected for autofocus
mode (078) or if continuous-servo autofocus is selected when the
camera is in AF-A mode.
Choose AF-S. If an option other than
e(Auto-area AF) is selected for AF-area mode, select center focus
point (082, 85).
• The camera is currently in live view or a movie is being recorded.
• Off is selected for Custom Setting a3 (Built-in AF-assist illuminator,
0250).
• Illuminator has turned off automatically.
Illuminator may become hot
with continued use; wait for it to cool down.
Image size can not be changed: Image quality set to NEF (RAW) (0 91).
Camera is slow to record photos:
• Depending on shooting conditions and memory card performance,
memory card access lamp may light for up to about a minute after
shooting ends in continuous release modes.
• Turn long exposure noise reduction off (0 243).
Randomly-spaced bright pixels appear in photos:
• Choose lower ISO sensitivity or turn high ISO noise reduction on
(0244).
• Turn Active D-Lighting off to avoid heightening the effects of noise
(0134).