SHERPA Aluminum tripods, Key Features: 

• PH-157Q 3-way Pan-head, with Aluminum quick-release tripod-attachment plate.
• Single handle releases/locks both Pan and Tilt, in a single action.
• Easy to use, and is very smooth in operation and function.
• Choice of 3 or 4 section legs, depending on height requirement.
• Sherpa 250, 450, 538, 200, 800 are fixed body.
• Sherpa 500, 600 and 750 models feature a low-spread capability.
• 435, 550, 600, and 750 have a split center column, Semi-low angle and Full-Low angle.
• The New-Concept Sherpa 803 has a Ball/Socket head and quick release plate made of Magnesium alloy. It also features a Hide Clamp within the center column. Where Tripod use is not permitted, the pull-out center column in combination with the Clamp makes for a useful separate camera support.
• When clamp is attached to one of the tripod legs, the center column can be used horizontally, especially suitable for macro or product photography.