Check How Focus Editing After Shooting Works in Galaxy Z Portrait Video

What kind of effect is the background blur?

Samsung Electronics' development interview describes technology that varies the amount of blur with the distance between the subject and the background and renders small light sources as bokeh. This effect, however, is created by the smartphone processing the video. It is made differently from the blur that comes from the optical structure of a professional lens, so the two should not be treated as the same thing.

What can you change after shooting?

The official explanation describes two kinds of editing: moving the focus to the subject you want to show, and adjusting the blur strength. First check that the video was shot in portrait video and that you have a supported model, since that is when the option opens. Do not assume that regular video files can be changed the same way.

What should you test before shooting?

For an important shoot, film a short clip before the real one to check that the supported mode is right and how the result looks after saving and sharing. If the background behind the subject is busy, it also helps to see whether the edges blur naturally. A manufacturer's technology introduction is not a promise of the same result in every scene.

Source: Samsung Electronics interview on developing Galaxy Z portrait video. Date checked: 2026-10-10.