Portrait mode is one of the most popular features on modern phones. It keeps the person sharp and softens everything behind them, giving the picture a look that used to need a large, expensive camera. When it works, the result is striking. When it does not, you can end up with a strange halo around the head or a background that is oddly blurred in patches. Knowing what helps and what confuses it will save you much frustration.
The mode works best when the person is clearly separated from the background. A friend standing a few steps in front of a hedge or a wall will look wonderful, because the phone can see where the person ends and the scenery begins. Good daylight helps as well, particularly the soft light from a window or an overcast sky. Stand at a comfortable distance, not too close, and follow the little prompts on the screen.
Where it struggles
Portrait mode is easily confused by fine detail. Wisps of hair, a woolly hat, glasses, a fringe of fur on a hood or a hand held near the face can all be cut out clumsily. Two or more people at different distances cause trouble too, because the phone may blur one of them by mistake. Poor light makes matters worse, since the camera can no longer judge edges accurately.
Always look at the result on the screen, and zoom in on the outline of the head and shoulders. If the edges seem chopped or hazy, try again from a slightly different angle or distance. Move the person further from the background, or choose a plainer one. Many phones also allow you to change the strength of the blur afterwards. A gentle blur usually looks more natural than a very strong one.
Sometimes the best answer is to switch it off. A normal photograph, taken in good light with the person standing away from a busy background, can look just as attractive. Whatever you choose, ask the person before you take the picture, and show them the result. Most people are happy to help you find the most flattering angle when they feel included in the process rather than simply photographed.
