comment : @focusOTF-X, scan 5 of 5
set focus -0.7 /dir X
rta FOCUS results: not fitting for array1 and array2:
Flux A1: -0.75
FWHM A1: NaN
Flux A2: -0.31
FWHM A2: NaN
Flux A3: -0.70
FWHM A3: -0.92
try to explore wider focus range to improve FWHM fit: modify focusOTF-X to go up to +/- 2.5mm