Leofoto NF-05 replaces Nikon's original lens collar foot and provides a lower profile and a lower center of gravity for a better balance . The NF-05 lens replacement foot has built-in Arca-Swiss dovetail mounting and includes a Quick Detatch(QD) Socket for quickly attaching a compatible strap and maintains the 3/8" & 1/4" threaded mounting holes. Light-weight, Low profile and provides the best possible stability for your lens . Leofoto NF-05 Replacement Foot for Nikon Nikkor Z 70-200MM F/2.8 VR S . .10-Year Warranty. Two safety stops are located on the bottom of the foot, which prevents accidental lens release when a quick release receiver clamp is partially open