The Dino-Lite RK-10A universal stand is a stable tabletop platform that features precise fine-focus adjustment and a new quick release function. This high-quality product is compatible with the complete line of Dino-Lite handheld microscope cameras. The RK-10A quick release button is helpful for fast and convenient vertical movement and fine-focus adjustment knob is especially useful at high magnification. This model also includes an adjustable safety stop to help prevent accidental collisions between the microscope and the object in view. Its adjustable horizontal arm has a 7-inch range with 360-degree rotation and an optional arm attachment is included that increases its effective range of motion.