Samsung Galaxy S21 Ultra Review
new 3X short-zoom camera, as we currently measure only the more powerful zoom camera. "PERFECTING THE GALAXY S CAMERA USER EXPERIENCE" Like the Galaxy Note 20 Ultra, the S21 Ultra benefits from a laser-assisted autofocus, which quickly figures out the approximate focus to get the lens motors moving. While that’s going on, the Super-PD (PD = phase detection) autofocus finalizes the AF computations and directs the motors to the final lens position. This two-step process explains the higher AF performance, which improves the user experience significantly but doesn’t affect photo-quality mos...
Source: ubergizmo.com