Long Exposure Nr (Still Image); High Iso Nr (Still Image) - Sony a7s II How To Use Manual

using that switch on the lens. You cannot switch the settings using the camera.
[160] How to Use

Long Exposure NR (still image)

When you set the shutter speed to 1 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.
1. MENU →
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
Noise reduction may not be activated even if [
following situations:
The shooting mode is set to [Sweep Panorama].
[Drive Mode] is set to [Cont. Shooting], [Spd Priority Cont.] 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].
You cannot set [
[Intelligent Auto], [Superior Auto] or [Scene Selection].
Depending on the shooting conditions, the camera may not perform noise reduction, even
if the shutter speed is longer than 1 second(s).
[161] How to Use

High ISO NR (still image)

Using shooting functions
(Camera Settings) → [
Long Exposure NR] to [Off] when the shooting mode is set to
Using shooting functions
Setting the other functions of this product
Long Exposure NR] → desired setting.
Long Exposure NR] is set to [On] in the
Setting the other functions of this product