bought my head after a recommendation from Traumflieger and was surprised by the excellent workmanship, he feels very valuable and all functions return smoothly. the fixer does what it should and the extremely reliable, which is movement rate excellent, as the panorama function, really a pleasure these head and also very inexpensive. had him. in conjunction with a Canon 7D and a Sigma 120-400 lens in use and no wiggle in whatever possition true of me five stars and a recommendation. Only the instruction in German but not the functions are self-explanatory.