The Neewer 4-Way Macro Focusing Rail is designed for precise 4-way camera alignment. It's capable of making incremental adjustments that allow for close-up work and macro photography. It can be adjusted forward/backward 2.5" and left/right 3" for precision macro shots. The movements are controlled by dual-level adjustment knobs. Friction is adjustable by adjusting eight screws with an included Allen key.
The Focusing Rail also features an integrated Arca-type quick release clamp and comes with a quick release plate with a 1/4"-20 mounting screw. On the bottom, the rail has 1/4"-20 and 3/8"-16 tripod mount threads. The maximum load capacity is 22 lb.