Sirui K-40II Ball Head PENTAXSN Increased focusing control – Enhanced

Increased focusing control – Enhanced Eye- and Animal-Detection AF

Caring for Your Eyes

4x teleconverter allows you to instantly extend your reach to 252-560mm (or 378-840mm equivalent with DX cameras) simply by flipping the right-hand switch

High Speed

making tracking subjects and panning easier whether you're shooting handheld or on a monopod

Sirui K-40II Ball Head PENTAXSN Increased focusing control – EnhancedThis CNC machined K 40II Ball Head from Sirui is Arca type compatible, and it includes a quick release plate with a threaded 1 4 inch 20 camera mount. Safety stops located on the bottom of the plate prevent it from sliding out if the clamp is partially opened. The head's load capacity is 77. 2 lb, its weight is 28. 2 oz, and it is 4. 9 inch tall. The main aluminum locking knob disengages, and it allows you to move the ball and place it at a 90 angle;