Acratech 4" Long Arca Type Quick Release Plate for Lenses.

hi my name is Scott dyrdek this is the video instruction manual for our Acura tech quick-release system our accra tech quick-release system is made up of the quick release clamp that stays attached to your ball head and the quick release plate that stays attached to your camera or lens we have several different options with our quick-release clamps this is our newest clamp with all the options the first option is the bullseye level it is large and easy to read and especially useful for photographing subjects with parallel and perpendicular lines the next option is a double speed rubber knob which provides very fast and secure clamping and unclamping of your camera to your tripod head the last clamp option is our detent pin the detent pin is designed to prevent the quick-release plate from sliding out of the quick release clamp in case you accidentally partially loosen the quick release