This is a smaller version of the Zacuto Universal Baseplate, designed for use with smaller DSLR cameras such as the Nikon D90, Canon 5d Mark II. The Mini Baseplate has up and down as well as side to side adjustments that allow it align all cameras with various matte boxes and follow focus units. It can also be used with Midsized flat bottom cameras like the Panasonic HPX170, Small HD cameras like the Canon HV20, etc.