Sony Cyber-shot DSC-RX100 IV - Manual (Page 154)

Electronic Shut.:
Shoot with the electronic shutter only.
The availability of flash shooting, shutter speed, and with or without shutter sound for each
setting is as below.
Mechanical Shut.
Flash:
Shutter speed: BULB to 1/2000 second
*2
Shutter sound: mechanical shutter sound and electronic shutter sound
*3
Electronic Shut.
Flash:
*1
Shutter speed: 30 seconds to 1/32000 second
*2
Shutter sound: electronic shutter sound
*3
*1
When shooting with the flash, the shutter speed is limited to 1/100 second or less.
*2
The settable shutter speed range varies by shooting mode.
*3
To turn off the electronic sound, set [Audio signals] to [Off].
Hint
In the following situations, set the [ Shutter Type] to [Auto] or [Electronic Shut.].
When shooting with a high-speed shutter in a bright environment such as outside in bright
sunlight, the beach, or snowy mountains.
When you want to increase the speed of continuous shooting and speed priority continuous
shooting.
In the following situations, set the [ Shutter Type] to [Auto] or [Mechanical Shut.].
When you want to use the flash with a shutter speed faster than 1/100 second.
When you are concerned about distortion in the image due to the movement of the subject or the
movement of the camera.
Note
When shooting with the electronic shutter, there may be distortion in the image due to the
movement of the subject or the camera itself.
During shooting with the electronic shutter, band-like light-and-dark shading may appear
when shooting under flickering light such as fluorescent light or instantaneous light (such
as the flash of another camera).
In rare cases, the shutter sound may be produced when the power is turned off even if the
[ Shutter Type] is set to [Electronic Shut.]. However, this is not a malfunction.
In the following situations, the mechanical shutter will be activated even if the [ Shutter
Type] is set to [Electronic Shut.].
[White Balance] is set to [Custom Setup]
[Face Registration]
The following functions are unavailable when the [ Shutter Type] is set to [Electronic
Shut.].