Nikon D500 - Manual (Page 378)

352
Can not select focus point :
• Unlock focus selector lock ( 0 108).
• Auto-area AF selected for AF-area mode or face-priority AF selected in
live view; choose another mode ( 0 48, 103).
• Camera is in playback mode ( 0 255).
• Menus are in use ( 0 281).
• Press shutter-release button halfway to start standby timer ( 0 39).
Can not select AF mode : Select No restrictions for Custom Setting a10
(Autofocus mode restrictions, 0 294).
Camera is slow to record photos : Turn long exposure noise reduction off
( 0 286).
Noise (bright spots, randomly-spaced bright pixels, fog, or lines) appear in photos :
• Bright spots, randomly-spaced bright pixels, fog, and lines can be
reduced by lowering ISO sensitivity.
• Use the Long exposure NR option in the photo shooting menu to limit
the occurrence of bright spots or fog in photos taken at shutter speeds
slower than 1 s (
0 286).
• Fog and bright spots may indicate that the camera’s internal
temperature has become elevated due to high ambient temperatures,
long exposures, or similar causes: turn the camera off and wait for it to
cool before resuming shooting.
• At high ISO sensitivities, lines may appear in photos taken with some
optional flash units; if this occurs, choose a lower value.
• At high ISO sensitivities, including high values selected with auto ISO
sensitivity control, randomly-spaced bright pixels can be reduced by
selecting High, Normal, or Low for High ISO NR in the photo or movie
shooting menu (
0 286, 290).
• At high ISO sensitivities, bright spots, randomly-spaced bright pixels,
fog, or lines may be more noticeable in long exposures, multiple
exposures, and photos taken at high ambient temperatures or with
Active D-Lighting enabled, Flat selected for Set Picture Control
(
0 180) or extreme values selected for Picture Control parameters
( 0 183).