Vanguard's GH-200 Pistol-Grip Ball Head permits you to lock, unlock, and reposition your gear easily with one hand, so that your other hand is free to make lens adjustments. A 360° panning mechanism has 72 built-in click stops for precise positioning for panoramic photos. There's also side-to-side tilt of -32° to +90° and -8° to +90° of back to front tilt for a wide range of camera movement. This head is a compact 4.52" tall. Two bubble levels help to quickly level the head. A dual-locking quick shoe mechanism prevents accidental release to protect your equipment. A friction control system allows you to modify the amount of friction on the ball to accommodate changing equipment weight, such as switching to heavier lenses, while the anodized center ball allows extremely fluid movement without sacrificing control.
More here -> https://www.bhphotovideo.com/c/product/841540-REG/Vanguard_GH_200_GH_200_Pistol_Grip_Ballhead.html
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