Description
Smooth rack and pinion movement provides extremely fine focusing adjustments. Two 6" rails allow movement in four directions, right, left, forward and backward. Mounts on, and accepts 1/4x20 threaded screws, will fit most tripods and copy stands. Positive locking knobs assure rock-steady focus.

Features
4 Way, Fine Control, Camera Focusing Rail To Aid In Tripod Mounted Macro Photography