As students and teachers continue to work from home amid the COVID-19 pandemic, Overviewer has hit the scene as a new iOS app for turning your iPhone into a document camera on Zoom and other video ...
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 ...
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