The ability to zoom in on real-world images might prove helpful in all kinds of situations, such as when you’re squinting at a menu in a dimly-lit restaurant. To use it, go to Settings, open General, choose Accessibility, and then tap Magnifier and turn the feature on. You can also enable auto-brightness at this time, which means the camera screen will react to ambient light levels.
With this toggle set to on, you can launch the iOS Camera app and triple-tap the Home button to bring up the Magnifier option. Use the slider at the bottom of the screen to take a closer look at anything, from a photograph to a block of text.
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