The vanguard alta pro 263at tripod has two special features that make it a cut above its competition first the multi angle central column macc system allows users to move the central column from zero to 180 degree angles in variable vertical and horizontal positions making it perfect for macro photography and special wide angle shots rrsecondly there is the instant swivel stop n lock issl system which securely repositions the central column in one simple movement in just a few seconds w