1COMPATIBLE LENSES: Designed for Z lenses 70200mm, 100400mm and 400mm lenses, it can be perfectly compatible with these lenses and ensure solid support. 2ADJUSTABLE: The bottom 95mm quick release plate is equipped with 1/4 inch and 3/8 inch screw holes and stainless steel non slip screws to adjust the position of the lens and tripod. 3EASY INSTALLATION: The installation process is very simple, just slide the lens into the base slot and then turn the knob to fix it, convenient and efficient. 4QUICK MOUNT PLATE: The for Arca quick mount plate allows the lens to be mounted on a tripod, ball head, clamp, or panoramic tripod head for increasing flexibility. 5HOLLOW DESIGN: The base is CNC precisely machined, with a hollow and weight saving design, polished and anodized to provide stable support for the lens. 1 xTripodMountRingBase