I can not say too much, because it is charged by me with only a slight Panasonic FZ200 beyond the limits of carrying capacity.
The is certainly supported by the ball joint, without me having to tighten the screw by force and the head also does not sag from subsequently.
As for stability in windy conditions, I am absolutely satisfied even at full draw. So far, I could not detect any vibrations or "swaying" even at higher wind speeds.
My initial concerns about the leg fixing with screw caps were unjustified.
If you get used to the handling, the adjustment is just as fast as with clamp closures.
If the tripod buy again at any time!