Gear Review Slik Pro 634 Carbon Fiber Tripod Slik pro cf-634 carbon fiber tripod with pbh-535as ball head for added versatility, the center column is reversible, facilitating low-angle photography where an attached camera is positioned among the tripod's legs instead of above them. Cameras or accessories that are compatible with a 1/4-20 mount can be connected to the included 6507 Quick Release Plate.