Gitzo Series 5 Carbon Systematic Rapid Column Micro Four Thirds Canon and Nikon mounts Canon and Nikon mounts The head can be removed easily to attach other heads on the tripods upper disc but it is recommended to use the GH1382TQD head to ensure perfect fitting of the head between the folded legs Adding a Systematic column on a Gitzo Systematic tripod is useful when you require additional height as well as quick adjustment of the height The safety catch feature when used together with recent Systematic tripods with a safety button prevents the column from dropping out of the tripod even if it is inadvertently left unlocked