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How to Adjust iPhone Camera Focus

Set, lock and check focus in the iPhone Camera app, including tap-to-focus, AE/AF Lock, close-up and document shots, and what the built-in app can't do.

The short answer

The iPhone camera focuses automatically, but you can choose what it focuses on. Open the Camera app and tap the part of the scene you want sharp. A yellow square, often called the focus square, appears where you tapped. The camera then focuses on that spot and sets exposure (brightness) for it. To keep focus from shifting, touch and hold the spot until an AE/AF LOCK banner appears near the top of the screen. AE/AF stands for auto exposure and autofocus.

"Adjusting focus" can mean two different things, and the answer changes depending on which one you mean. Choosing where the camera focuses is built in. A manual focus control, such as a slider or ring that sets an exact focus distance, is not something the built-in Camera app offers. Apps from the App Store provide that kind of control, but this guide covers only the built-in Camera app.

How continuous autofocus behaves

By default, the camera uses continuous autofocus. It keeps refocusing as the scene or the phone moves, usually on what it detects as the main subject, such as a face. That works well for everyday shots. It is less reliable when the subject is small, close to the lens, low in contrast, or sitting in front of a busier background. A tap overrides the automatic choice until the scene changes enough for the camera to refocus. A lock overrides it until you release the lock.

Set the focus point with a tap

  • 1. Open the Camera app and select Photo or Video mode.
  • 2. Frame the shot, then tap the exact area you want sharp, such as an eye, a line of text, or the front edge of an object.
  • 3. Look for the yellow focus square at that spot and check that the detail inside it becomes sharp in the preview.
  • 4. If the image now looks too bright or too dark, drag the sun icon next to the square up or down. This changes exposure only, not focus.
  • 5. Take the photo or start recording.

Check that it worked: the area you tapped looks crisp in the preview, and the background or foreground is softer where you'd expect it to be. If the square disappears and the preview drifts out of focus again, the camera has gone back to automatic focusing. Lock the focus instead, as described in the next section.

Lock focus and exposure (AE/AF Lock)

Locking is useful when you need focus to stay put. Typical cases are recording video, photographing a document, shooting through glass, or waiting for a subject to move into a spot you've already prepared.

  • 1. Touch and hold the area you want in focus.
  • 2. Keep your finger down until the AE/AF LOCK banner appears near the top of the screen, then lift it.
  • 3. If needed, drag up or down to adjust brightness. The focus lock stays in place while you do this.
  • 4. Keep the distance between the phone and the subject roughly the same. A lock fixes the focus distance, so moving closer or farther away will blur the subject.
  • 5. To release the lock, tap anywhere else on the screen.

Check that it worked: the AE/AF LOCK banner stays visible. Point the phone slightly away and back again, and the focus should not hunt or shift. Some iPhone models with a Camera Control button can also be set up to lock focus and exposure from that button. The options vary by model and iOS version, so look in the Camera section of the Settings app on your phone.

Close-up shots and documents

Close-up shots are where focus problems happen most often. Every lens has a minimum focusing distance. If you're closer than that, no amount of tapping will make the subject sharp. This guide doesn't state exact distances, because they differ by model and lens, and no verified figures were available.

  • If the subject stays blurry up close, move the phone back a little and use zoom to fill the frame instead.
  • On iPhone models that support macro photography, the camera can switch to the Ultra Wide lens automatically when you get very close. A flower icon appears in the viewfinder when this happens. You can tap that icon to turn automatic macro switching off or back on. The Macro Control option in the Camera section of the Settings app controls whether the icon is shown.
  • If the image jumps or changes look as you move closer, the camera is switching lenses. Hold the phone steady for a moment and tap to focus again.
  • For documents, lay the page flat on a surface that contrasts with it. Use even light without glare, and hold the phone parallel to the page.
  • Tap on a line of text, not a blank margin. Plain white paper gives autofocus very little detail to work with.
  • Lock focus with AE/AF Lock before taking the shot, especially if your hand or the phone's shadow tends to drift over the page.
  • For multi-page or text-heavy documents, consider the document scanner built into the Notes or Files app. It detects the page edges and crops the image for you. It still relies on autofocus, so the same advice about light and distance applies.

Check that it worked: open the saved photo and zoom in on the smallest text. The letters should have clean edges rather than a soft halo. A sharp preview at normal size doesn't prove the saved image is sharp at full size, so zooming in on the actual photo is the reliable check.

Focus in Portrait and Cinematic modes

In Portrait mode, tap the subject to set focus. The camera blurs the background using depth information it records with the photo. On supported models, you can change the focus point after taking the photo by editing it in the Photos app. In Cinematic mode, which is for video, tap a subject to shift focus to it while recording, and tap again to lock tracking on that subject. You can also adjust where the focus falls after recording, when you edit the clip. The exact controls and supported models vary, and verified model lists weren't available for this guide.

If focus still won't stay sharp

  • Clean the lens with a soft, lint-free cloth. Smudges cause a hazy, soft look that refocusing can't fix.
  • Check that your case, a lens protector or your finger isn't partly covering a lens.
  • Add light. In dim conditions the camera has a harder time detecting detail, and the image can look soft from motion blur rather than missed focus.
  • Steady the phone. Shake looks like poor focus, but it blurs the whole frame evenly instead of just one area.
  • Close and reopen the Camera app, or restart the phone, if the preview won't focus on anything at all.
  • If the camera can't focus at any distance, or you hear rattling or buzzing from the camera area, the problem may be hardware. In that case, contact Apple Support or an authorized service provider.

What these checks confirm, and what they don't

The steps above show that the camera can focus where you choose and hold that focus. They don't measure sharpness in a technical sense, and no verified sharpness thresholds or target values were available to include here. A sharp still photo also doesn't guarantee sharp video in a moving scene. And if you use the iPhone as a webcam, through Continuity Camera with a Mac or through a calling app, focus is handled automatically by that feature or app. A good result in the Camera app doesn't confirm that the video call itself will look sharp, because call quality also depends on the app, the lighting and the network connection. Run a short test call or preview in the app you'll actually use.