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VSYNC ON lag test methods (VBI stopwatch start, center photodiode stop, framerate=Hz) are good for measuring a display suitability's for gaming consoles.

VSYNC OFF lag test methods (frame present stopwatch start, or top-edge monitoring, both usually produce identical numbers), are good for ...

Hello, I have a question for you two Thomas and Mark!

Display lag tests among the various websites and now YT channels show a significant distinction:
those that report the middle bar, or average of the three, or an equivalent (typical Leo Bodnar or Time Sleuth users, photodiode)
those that ...