Make sure that the focal distance is roughly acculate, and that the mean error value and the maximum error value are not too large.
Focal Distance  mm
Standoff Distance  mm
Lens Distortion
Max Lens Distortion  pix
Scale  mm/pix
Lens Center  pix
Sensor Vert. Spacing  μm
Aspect Ratio
Mean error value  pix
Maximum error value  pix
Position of Camera Relative to Cal. Grid
X Y Z
W P R
Position of Cal. Grid Relative to App. UFrame
X Y Z
W P R
Position of Robot Holding Camera
X Y Z
W P R