+ Very solid workmanship
+ Big ball
+ Panorama function
+ Quick release plate
+ Allows taking pictures while he is not fully applied, will not tip off
+ Does not require oiling, there is no risk of contaminated clothing
Corners of the plate are too narrow because you can turn hurt, especially when combined with a heavy camera
-Passgenauigkeit The ball could be better, not at all angles the friction is constant. Plays virtually but not really matter if the camera weighs about 500 g. In very small it may be a bit annoying.
-Rubber The wheel looks questionable, could go possibly broken.
Although the disadvantages nearly compensate the benefits of text length here, I would note that no practical disadvantages longer relevant with a file on the corners and a normal reflex. Therefore, 4 stars for a practical, good head.