***** **********Best Quality Guranteed. *****SpecifaicationThe 4 way Macro focusing rail slider made of aluminum. There is a 1/4 inch standard screw that fits most Nikon, Minolta and Pentax macro and EOS bellows, macro shot extension tubes, or macro lenses such as the Canon FD and FL.
Maximum load capacity: 2.5 kg*****Four DirectionsThe 4-ways Macro Focusing Slide Rail can be adjusted in four directions with two 6" rails: forward, backward, left and right. (Kindly please tighten the knobs after you adjust to keep the camera from slightly moving after you have set it up) *****Dueable QualityThe rail adopts durable aluminum slider, and a geared drive system which enhances accuracy. Positive locking knobs assure rock-steady focus. *****Provides Extremely Fine Focusing AdjustmentsFocusing 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. It can adjust