Calibration images for screencamming

On this page you find a number of images which might help you in calibrating your cam for filming another iPhone. Don't use this to film an ordinary scene!

Use this screen to focus and expose/whitebalance properly for screencamming this device, the gray is a color-neutral 50 percent gray with some focussing/aiming aids.

Calibration ok?

Check for correct exposure and screen brightness, no blown out highlights or too dark shades?

Another calibration
OK check

Check again for correct exposure and screen brightness?