Nikon D300s User Manual

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❚❚Shooting
Camera takes time to turn on
: Delete files or folders.
Shutter-release disabled
• Memory card is full or not inserted (0 31, 38).
• Memory card is locked (SD cards only; 0 35).
• CPU lens with aperture ring attached but aperture not locked at highest 
f-number. If B is displayed in control panel, select Aperture ring for 
Custom Setting f8 (Customize command dials) > Aperture setting to 
use lens aperture ring to adjust aperture (0 297).
• Exposure mode S selected with A selected for shutter speed 
(0 380).
Camera is slow to respond to shutter-release button
: Select Off for Custom Setting 
d10 (Exposure delay mode; 0 278).
Photos are out of focus
:
• Rotate focus-mode selector to S or (0 74).
• Camera unable to focus using autofocus: use manual focus or focus lock 
(0 80, 83).
• Tripod selected in live view: camera will not focus when shutter-release 
button is pressed halfway. Use AF-ON button (0 50).
Full range of shutter speeds not available
: Flash in use. Flash sync speed can be 
selected using Custom Setting e1 (Flash sync speed); when using 
optional SB-900, SB-800, SB-600, or SB-R200 flash unit, choose 1/320 s 
(Auto FP) or 1/250 s (Auto FP) for full range of shutter speeds (0 281).
Focus does not lock when shutter-release button is pressed halfway
: Camera is in 
focus mode C: use AE-L/AF-L button to lock focus (0 81).
Can not select focus point
:
• Unlock focus selector lock (0 78).
• Auto-area AF selected for focus mode: choose another mode (0 76).
• Camera is in playback mode (0 203).
• Menus are in use (0 243).
• Press shutter-release button halfway to turn monitor off or activate 
exposure meters (0 39).
Image size can not be changed
Image quality set to NEF (RAW) (0 68).
Camera is slow to record photos
: Turn long exposure noise reduction off 
(0 258).