Direct replacement foot for lens 150 600mm lenses 38mm compatible, ensuring seamless compatibility with major tripod heads Ideal for professional photographers and outdoor enthusiasts using for lens 60 600mm, 70 200mm, or 500mm sports lenses requiring quick tripod to handheld change Extended 12cm aluminum alloy plate features four secure mounting screws and 2.5cm from lens barrels, enabling stable desktop placement and ergonomic grip during handheld operating Perfect for wildlife photography, sports event, and studio where rapid equipment stability adjustments and secure quick release plate compatibility are critical Lightweight and easy to carry, can be quickly replaced, improve efficiency, ensuring safe and stable equipment