Nikon D500 用户手册

352

:

• 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 (

• Menus are in use (

0 281).

• Press shutter-release button halfway to start standby timer (

: Select No restrictions for Custom Setting a10 

(Autofocus mode restrictions, 

: Turn long exposure noise reduction off 

(

:

• 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 (

• 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