Sony 4-133-499-11 (1) - Manual (Page 118)

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Changing the noise reduction setting
When you set the shutter speed to a second or longer (Long exposure
shooting), the noise reduction is turned on for the same duration as the
shutter was open.
This is to reduce the grainy noise typical in a long exposure. When noise
reduction is in progress, a message appears and you cannot take another
picture. Select [On] to prioritize the image quality. Select [Off] to prioritize
the timing of shooting.
MENU button t 2 t [Long exp.NR] t [Off]
Note
• Noise reduction is not performed on continuous shooting or continuous bracketing
even when it is set to [On].
When shooting with the ISO set at 1600 or above, the camera reduces the
noise that becomes more noticeable when the camera sensitivity is high.
Select [On] to prioritize the image quality. Select [Off] to prioritize the
timing of shooting.
MENU button t 2 t [High ISO NR] t [Off]
Note
• Noise reduction is not performed on continuous shooting or continuous bracketing
even when it is set to [On].
Disabling the noise reduction at a long exposure shooting
Disabling the noise reduction at a high ISO sensitivity