Samsung Galaxy J4+ User Manual page 70

Apps and features
Adding another camera button
Add another camera button to the location you want on the screen to capture photos more
conveniently.
Drag to the preview screen.
If another camera button is not added, tap
Floating Camera button switch to activate it.
Using the focus and exposure features
You can lock the focus or exposure on a selected area to prevent the camera from
automatically adjusting based on changes to the subjects or light sources.
Tap and hold the area to focus, the AF/AE frame will appear on the area and the focus and
exposure setting will be locked. The setting remains locked even after you take a photo.
This feature is available only in AUTO and PRO modes.
on the preview screen and tap the
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