This is the help for FoCal 5 and the FoCal Mobile 3.0 apps. For FoCal 6, see the current help.

Test / Utility Information

Quality Value – Calibration Check

(See Chart Features for general chart features - changing scales, copying to clipboard etc)

The Quality Value chart shows the quality values for phase detect and Live View measurements.

Interpretation

A well calibrated lens should show the red line (phase detect) at a similar or higher level than the blue line (Live View).