SUNWAYFOTO DMP-100R Multi-Purpose Rail Nodal Slide with screw-knob clamp, CNC cutting machine from light weight aircraft-grade aluminum, stain anodized surface finish for better abrasion and corrosion resistant. Compatible with all Arca-Swiss style plates.
It is widely used for fish-eye-lens and wide-angle lens.
The most important function of this product is accurately find nodal point for panoramic photography. For close-up photography, slide the camera in and out without moving the tripod.
 
Product Features:

1. Double dovetail allow you to mount the rail to an Arca clamp and combine with DDT-53/DDB-53 clamp for incredible versatility;
2. Safety stop relief grooves for protecting your camera from accident drops.
3. Integrate two safety stop mounting holes on the back of the plate. (SUNWAYFOTO provides safety stop screws).