1.[Compact and ]- Move light, right! The Lens Collar promotes convenient travel with its hollow lightweight design combined with a built-in strap hole, making it easier to carry everywhere you . 2.[Lens Compatibility]- No more hunting for the right gear. Our Lens Collar Tripod Mount Ring is the fit for 100‑400mm f5‑6.3 DG OS HSM Contemporary Lens (for EF Mount, for Nikon F Mount), enhancing stability and balance for optimal photo . 3.[Efficient Construction]- An time-saver. With a built-in for Arca ports, 1/4 inch and 3/8 inch screw holes, the Quick Mount Plate on this lens ring is compatible with tripod ball heads, panoramic ball heads, and clamps, enabling quick set-up and efficient usage. 4.[Secure Attachment]- No more fear of accidental lens drops. The Lens Mount Tripod, equipped with two stop screws on either side, anchors your lens ly onto a tripod, ing a secure hold and preventing the device from falling off.