Nikon D90 D90 User's Manual - Page 271
Shooting (All Modes), Image quality, NEF RAW, Built-in AF-assist, illuminator, Remote on, duration
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Shooting (All Modes) Problem Solution Page Camera takes time to turn on. Delete files or folders. - • Memory card is full or not inserted. 29, 35 Shutter-release disabled. • CPU lens with aperture ring attached but aperture not locked at highest f-number. 25 • Mode dial rotated to S with shutter speed set to A. 83 Final photo is larger than Viewfinder horizontal and vertical frame coverage is area shown in viewfinder. approximately 95%. - • Rotate focus-mode selector to AF. 54 Photos are out of focus. • Camera unable to focus using autofocus: use manual 57, 59 focus or focus lock. Focus does not lock when Use AE-L/AF-L button to lock focus when AF-C autofocus shutter-release button is mode is selected or when photographing moving subjects 54 pressed halfway. in AF-A mode. Image size can not be changed. Image quality set to NEF (RAW). 62 • Unlock focus selector lock. 56 • Auto-area selected for AF-area mode: choose another 173 Can not select focus point mode. • Press shutter-release button halfway to turn monitor off 35 or activate exposure meters. Camera is slow to record photos. Turn long exposure noise reduction off. 167 Randomly-spaced bright pixels ("noise") appear in photos. • Choose lower ISO sensitivity or turn high ISO noise reduction on. • Shutter speed is slower than 8 s: use long exposure noise reduction. 74, 167 167 • Mode dial rotated to l or m: select another mode. 41 • AF-assist lamp does not light for continuous-servo 54 autofocus. Choose AF-S. In single-point, dynamic-area, or AF-assist illuminator does not light. • 3D-tracking AF, select center focus point. Off selected for Custom Setting a3 (Built-in AF-assist illuminator). 174 • Illuminator has turned off automatically. Illuminator - may become hot with continued use; wait for lamp to cool down. • Replace battery in remote control. 241 No photo taken when remote control shutterrelease button is pressed. • Choose remote control mode. • Flash is charging. • Time selected for Custom Setting c5 (Remote on duration) has passed: reselect remote control mode. 68 40 180 n • Bright light is interfering with remote. - Photos are blotched or • Clean lens. - smeared. • Clean low-pass filter. 244 251