In the constant battle to provide consumers the best smartphone camera, one area that Apple has yet to innovate is optical zoom, which could use a so-called "periscope lens." We explain what the ...

Virtually all Android phones have preset zoom buttons in the camera app. For example, the Google Pixel 9 offers 0.5x, 1x, and 2x levels while the Pro models have an extra button for 5x zoom thanks to ...

Most mobile phones set the 23 - 27mm focal length to 1x (1.0x). Thus, the super wide-angle is 0.4x, 0.5x, 0.6x, and the medium telephoto is 2.0x, 3.0x, 5.0x... But this brings about two basic ...