Sony DSC-RX10M4 Help Manual page 376

Help Guide
Digital Still Camera
DSC-RX10M4
Long Exposure NR (still image)
When you set the shutter speed to 1/3 second(s) or longer (long exposure shooting), noise reduction is turned on for the
duration that the shutter is open. With the function turned on, the grainy noise typical of long exposures is reduced.
MENU → (Camera Settings1) → [
1
Menu item details
On:
Activates noise reduction for the same duration that the shutter is open. When noise reduction is in progress, a message
appears and you cannot take another picture. Select this to prioritize the image quality.
Off:
Does not activate noise reduction. Select this to prioritize the timing of shooting.
Note
[ Long Exposure NR] is not available when [
Noise reduction may not be activated even if [
The shooting mode is set to [Sweep Panorama].
[Drive Mode] is set to [Cont. Shooting] or [Cont. Bracket].
The shooting mode is set to [Scene Selection] and [Sports Action], [Hand-held Twilight] or [Anti Motion Blur] is selected.
The ISO sensitivity is set to [Multi Frame NR].
[ Long Exposure NR] cannot be set to [Off] in the following shooting modes:
[Intelligent Auto]
[Superior Auto]
[Scene Selection]
Depending on the shooting conditions, the camera may not perform noise reduction, even if the shutter speed is 1/3 second(s) or
longer.
Long Exposure NR] → desired setting.
Shutter Type] is set to [Electronic Shut.].
Long Exposure NR] is set to [On] in the following situations:
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