Cowboystudio Macro Focusing Rail Set with 4 Way, Fine Control and Camera Focusing Rail for Macro Photography

Focusing rails are essential accessories for macro photography, which requires precise distance modifications and a steady hand, as well as other situations where accurate camera positioning is crucial. Two 6" rails allow movement in four directions, right, left, forward and backward. Mounts on, and accepts 1/4 thread screws, and it will fit most tripods and stands. Positive locking knobs assure rock-steady focus. This excellent quality rail is for use with all digital and film SLR cameras and is compatible with most Canon, Nikon, Minolta and Pentax macro and EOS bellows, macro shot extension tubes, or macro lenses such as the Canon FD and FL.