![]() ![]() The smaller a camera’s image sensor, the larger the depth of field it creates. You can now re-compose the shot, and the focus and exposure will remain the same until you tap the shutter release button.įocusTwist shots a short video and then shows you a still photo derived from it. ![]() Let go, and you’ll see the message “AE/AF Lock” on the screen. Tap and hold a spot on the screen for a few seconds until you see a yellow box flash around your finger. You don’t need to install a new camera app to take advantage of this fancy focusing trick: You can lock the focus on the iPhone sort of like holding the shutter release button halfway down locks focus on a traditional digital camera. The end result: You no longer have to live with under- or over-exposed photos just because you chose to set the focus point.ĪfterFocus lets you adjust the parts of the image you want to focus after the fact. Using either of these apps, you can tap separately to focus and specify where to set the exposure. To solve that problem, install a better camera app – popular favorites include Camera+ ($2) and Top Camera ($3). If your foreground subject is also dark, you can end up over-exposing the photo. The problem with that common trick is that the iPhone sets both exposure and focus with the same tap. Tap and hold to lock the focus with the Camera app. ![]()
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