The Giottos MML 3290B Monopod is a 5-section professional class model made from aluminum, with 31/28/25/22/19mm diameter segments that makes it appropriate for use with large SLR telephoto lenses such as 170-500mm professional zoom models, a 300mm f/2.8, etc.
The MML 3290B's maximum height towers to 6'2", meaning that when the camera is attached it will reach the comfortable eye level of a person as tall as ~6'8" and can be used by anyone for shots that can get above the average visual obstruction of a crowd.
The MML 3290B has flip style lever locks, which could even be disassembled and cleaned in the field in an emergency situation. The top platform has a spring-loaded and reversible 3/8"-16 or 1/4"-20 threaded camera screw.
MML 3290B 5-Section Aluminum Monopod - Supports 33 lbs (15kg)