454 Micrometric positioning sliding plate is ideal for macro photography to make precise positioning movements to achieve the perfect framed shot, for QTVR and other precise copy/ repro work. The new sliding plate has finger-tip control for hairs-breadth positioning but with a simple lock-release lever for fast set-up. Two plates can be interlocked at 90 degrees for full lateral/forward/back movement (over 120mm). In extruded aluminum, the plate has 1/4'' and 3/8'' holes and screws for tripod and camera mounting.