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 ...

One of the big upgrades Apple announced during its ‘Awe Dropping’ event for the iPhone 17 Pro and 17 Pro Max was a new telephoto camera for its Pro models. On paper, the 48MP Fusion Camera with 4x ...