Phones With Optical Zoom Cameras
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FAQ
Optical zoom uses a camera lens to capture a closer view of a subject rather than relying solely on digital cropping. Many phones with optical zoom cameras switch between lenses with different focal lengths, while some use a lens with adjustable optical zoom.
Optical zoom uses the lens’s focal length to change the view captured by the camera. Digital zoom crops and enlarges part of an image using software. A phone may combine optical zoom with digital processing, depending on the zoom setting and camera mode.
A periscope telephoto camera uses a prism or mirror to redirect light through a lens system arranged along the phone’s body. This folded optical design accommodates a longer focal length without requiring the lens to extend straight out from the back of the phone.
Zoom labels typically describe magnification relative to the phone’s main camera at 1x. A phone with a dedicated 3x or 5x telephoto camera has an optical option at that setting, but intermediate settings may use cropping or computational processing. A listed maximum zoom level may include digital zoom rather than represent optical zoom alone.
Many phones support telephoto cameras during video recording, but access depends on the phone, camera app, resolution, and frame rate. Some recording modes allow switching between cameras, while others keep one camera active and use digital zoom for changes in framing.