Why Focusing on the Background Makes Photos Feel Dreamy

Nearly everything you learn about focus points in one direction: keep the subject sharp and let the background fall apart. Reversing that, so the person in front of the lens goes soft while the scene behind them stays crisp, is one of the simplest ways to make an image feel dreamy and a little unreal.

Max Kent calls this the out-of-focus subject, and he has been using it for years as a way to get an otherworldly mood without slow shutter speeds, blue hour, or smearing anything on the front element. The idea is to separate the subject from the background instead of the other way around. Done well, the figure in the frame still has a recognizable shape, so the viewer can tell it's a person or a dog, yet it feels like it's barely there. Kent points out that most people made frames like this all the time when they first started shooting, just not on purpose. The gap between that accident and a deliberate version comes down to a few choices you make before pressing the shutter, and none of them require new gear.

The first choice is how you get focus onto the background. Manual focus is the most direct route: set the lens on the scene behind your subject, keep the subject in the foreground, and shoot. Kent admits he tends to forget he's switched to manual, then spends half an hour making soft frames he never meant to make. His usual method is to stay in autofocus, focus on the background, hold the AF lock, and recompose. When you let go of the button, the camera goes straight back to behaving normally, so you can move between this look and conventional frames on the same walk without digging through menus.

Modern mirrorless autofocus is built to do the exact opposite of what this technique asks. Face, eye, and body detection on current Sony, Canon, Nikon, and Fujifilm bodies will jump to a person the moment one enters the frame, and wide-area modes often favor whatever sits closest to the lens. If you use the AF lock approach, switching to a single small focus point and turning subject detection off makes the camera far more cooperative, and assigning detection to a custom button lets you toggle it in a second. Back-button focus solves a similar problem from another angle. Once focus is separated from the shutter button, you can set it on the background, release, and the camera won't refocus on your subject when you half-press to shoot. The look itself has a long history. Pictorialists around the turn of the 20th century chased softness on purpose with soft-focus lenses and hands-on printing processes, and the steady popularity of diffusion filters like the Tiffen Black Pro-Mist shows the appetite for less clinical images hasn't faded. The out-of-focus subject reaches a similar mood using nothing but where you place your focus point, which means you can try it on your next outing with whatever is already in your bag.

Focal length shapes the result more than you might expect. Kent shoots almost entirely at 35mm and can make the look work there, though it means getting physically closer to your subject. At 50mm and longer, the effect comes more easily, and the compression from a longer lens adds to the strangeness of the frame. He wouldn't go any wider than 35mm, since wide lenses make it hard to show the depth-of-field falloff the whole effect depends on. Aperture is where he sees most people stumble. The instinct is to open the lens all the way, and that usually turns the subject into a shapeless smear with no form left to read. He aims for around f/3.5 to f/4, which still shows the depth while keeping the figure recognizable. On a wider lens, you may need a lower f-number, and at something like 100mm, he suggests trying f/5.6. He also applies the same idea to foreground objects like walls and gaps in fences, where the blurred edges add texture, build depth, and push the eye toward the sharp part of the scene in the middle.

Try the last tip in Kent's video, framing a sharp scene through a blurred wall or fence gap, on your next photo walk.