Gitzo Series 3 Carbon Systematic Rapid Column Full Frame the lens’ magnesium body ensures the lens’ magnesium body ensures high mobility and its dust and splash proof structure together with the water and oil repellent coating on the front element ensure safe use even in the most challenging shooting conditions this lens is ideal for landscape photography The rapid column slides freely and quickly in the tripod shoulder and is locked and unlocked via a simple twist mechanism offering the same strength and solid locking under heavy loads This carbon fibre rapid centre column is compatible with Series 3 and carbon Series 4 Systematic tripods