Sony Xperia 1 V Help Manual page 61

When the drive mode is set to [Single shooting], touch and hold the screen shutter button to lock the focus, and then release your
finger to shoot.
You can prevent Photo Pro from being launched accidentally when the device shutter button is pressed and held. In the BASIC
(Basic) mode, tap [MENU] > [Launch with shutter button] > [Off].
You can set whether to automatically switch to the BASIC (Basic) mode or to the last selected mode when you launch Photo Pro.
To change the setting in the BASIC (Basic) mode, tap [MENU] > [Shooting mode at launch] > [Always use Basic mode].
Related Topic
Settings menu
Scanning QR Codes using Photo Pro
Frequently used features in the BASIC (Basic) mode
Viewing photos and videos
Self-timer
H-340-100-11 Copyright 2023 Sony Corporation
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