The GH-V5 tripod Head specially designed to minimize the backlash of a gear, and once the head angle is adjusted, it will remain firmly in place without wobbling. Fine tune knob Always turns smoothly. The GH-V5 head provides 1:80 ratio of metal gear system and preload friction damping on pan (0--360) and tilt (-90--65) axes, give two axes both fine tune and fast coarse control. The pitch axis is not only for landscape and portrait position, but preloaded friction damping, which can fix the pitch angles set by hand (payload