Nikon D3000 - Manual (Page 198)

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Shooting (All Modes)
Camera takes time to turn on : Delete files or folders.
Shutter-release disabled :
• Memory card is locked, full, or not inserted ( 0 20, 22, 26).
• Built-in flash is charging ( 0 29).
• Camera is not in focus ( 0 28).
• CPU lens with aperture ring attached but aperture not locked at highest f-number ( 0 157).
• Non-CPU lens is attached but camera is not in mode M ( 0 159).
Final photo is larger than area shown in viewfinder : Viewfinder horizontal and vertical frame coverage
is approximately 95%.
Photos are out of focus :
• AF-S or AF-I lens is not attached: use AF-S or AF-I lens or focus manually.
• Camera unable to focus using autofocus: use manual focus or focus lock (
0 46, 48).
• Camera is in manual focus mode: focus manually ( 0 48).
Focus does not lock when shutter-release button is pressed halfway : Use AE-L/AF-L button to lock focus
when AF-C focus mode is selected or when photographing moving subjects in AF-A mode.
Can not select focus point :
• e Auto-area selected for AF-area mode: choose another mode (0 44).
• Press shutter-release button halfway to turn monitor off or activate exposure meters ( 0 26).
Can not select AF-area mode : Manual focus selected ( 0 42).
Image size can not be changed : Image quality set to NEF (RAW) or NEF (RAW)+JPEG basic ( 0 51).
Camera is slow to record photos : Turn noise reduction off ( 0 122).
Randomly-spaced bright pixels (“noise”) appear in photos :
• Choose lower ISO sensitivity or turn noise reduction on ( 0 122).
• Shutter speed is slower than 8 s: use noise reduction ( 0 122).
AF-assist illuminator does not light :
• Camera is in l or m mode (0 30): select another mode.
• AF-assist lamp does not light for continuous-servo autofocus. Choose AF-S. In single-point,
dynamic-area, or 3D-tracking AF, select center focus point ( 0 46).
• Off selected for AF-assist ( 0 122).
• Illuminator has turned off automatically. Illuminator may become hot with continued use;
wait for lamp to cool down.