The Davis & Sanford Mark II Aluminum Tripod features excellent strength in a full-sized tripod that is portable yet capable of holding even the biggest of cameras. It extends from 35.5" to 75" high and has a self-locking geared center column which gives the ultimate in precision height control. The center brace is adjustable to the operating leg circle. The tripod weighs 11 lb and folds down to 34" for travel. A compatible Davis & Sanford head with a 1 7/8" mount must be used with this tripod. Additionally, an RD238 Platform can be used to adapt the center column to a 3/8"-16 mount.