Multi-Purpose Rail Nodal Slide Dual Dovetails Clamp is widely used in panoramic and close-up photography, it supports for Arca . Double dovetail allows you to mount the rail to an Arca clamp and combine with a bi-directional clamp for incredible versatility.
The most important function of this product is the option to accurately find nodal point in panoramic photography, which can realize the maximization of stitching of panoramic photography. In close-up photography, you can slide the in and out without moving the tripod.
With 38mm standard AS interface, compatible for RRS, for Arca-, for KIRK, for Wimberley, for MARKINS, for SUNWAYFOTO, for kangrinpoche, for BENRO, for SIRUI ball head of AS standard interface.
(Note: the item can not fit Level-Release System of RRS/Markins/Vanguard and other brands)

Features:
machined from lightweight -grade alloy, sealing it against corrosion and abrasion, has two safety stop screws on back of plate.
The Quick Release Plate Standard dual dovetail design, with high contrast built-in bubble level to improve alignment.
Scale on both sides of the rail to adjust  the nodal point conveniently and accurately.
Quick Release Clamp with screw-knob helps you locking equipment quickly.
Designed with 8pcs UNC1/4" screw thread for extended function.
Accurately find nodal point for panoramic photography.
It is widely used with fish-eye-lenses and wide-angle lenses.
Safety stop grooves for protecting your from accidental drops.

Specifications:
Brand:
Model: FNR-140
Material: alloy
Color: Black
Screw Thread: UNC 1/4"-20
Jaw can be opened from 38mm to 45mm
Fit: For PU-50/PU-60/PU-70/PU-100/PU-120/PU-150/PU-200...
Item Size: 14 * 3.8 * 1.5cm / 5.5 * 1.5 * 0.6in
Item Weight: 131g / 4.6oz
Package Size: 18.8 * 4.7 * 3.2cm / 7.4 * 1.9 * 1.3in
Package Weight: 164g / 5.8oz

Package List: D5114-2
1 * 140mm Nodal Slide Plate Quick Release Plate Clamp
1 *