Name: Hoopy Explains How a Camera's Autofocus Locks On
Uploaded: 2026-06-21
Description: How camera autofocus works: the camera measures sharpness or splits incoming light to judge focus, then drives the lens elements until the subject snaps into focus in a fraction of a second.

Hoopy Explains NVIDIA's Computex 2026 Keynote
Hoopy Explains How 3D Printing Builds a Part Layer by Layer
Hoopy Explains the $615 Billion Capex Bill