Nikon D5300 Manuale Utente

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If On is selected, photographs taken at shutter speeds slower 
than 1 s will be processed to reduce noise (bright spots, 
randomly-spaced bright pixels, or fog). The time required for 
processing roughly doubles; during processing, “
l m” will flash in the viewfinder 
and pictures can not be taken (noise reduction will not be performed if the camera is 
turned off before processing is complete).
Photographs taken at high ISO sensitivities can be processed to reduce “noise.”
Adjust ISO sensitivity (
Long Exposure NR
G button
➜ C shooting menu
High ISO NR
G button
➜ C shooting menu
Option
Description
High
Reduce noise (randomly-spaced bright pixels, lines, or fog), particularly in 
photographs taken at high ISO sensitivities. Choose the amount of noise reduction 
performed from HighNormal, and Low.
Normal
Low
Off
Noise reduction is only performed as required. The amount of noise reduction is 
less than the amount performed when Low is selected for High ISO NR.
ISO Sensitivity Settings
G button
➜ C shooting menu