This 2 way macro slider has smooth rack and
pinion movement to provide extremely fine focusing adjustment. One 15cm rails can support
movement of 2 directions---forward, back. Positive locking knobs assure rock-steady focus.
If you purchase two Piece macro sliders, they can
be combined into a 4-direction macro slider. And it can also be divided
into two one-way macro slider, it is very simple to mix and
Suitable for: All DSLR or DC with standard 1/4" screw hole