4-Way Macro Focus Rail Slider

4-Way Macro Focus Rail Slider Close-Up Shooting for Digital SLR Camera DC with Standard 1/4-Inch

Features:

Made of aluminum, designed with Positive locking knobs assure rock-steady focus.
Two rails allow movement in four directions, right, left, forward, and backward.
Macro focusing rail helps macro photographers to position the camera and focus on the subject with great precision.
This excellent quality rail is used for all digital and film SLR cameras and is compatible with most Nikon, Minolta, Pentax macro and EOS bellows, macro shot extension tubes, or macro lenses such as the Canon FD and FL.
Smooth rack and pinion movement provide extremely fine focusing adjustments.