The tripod mount on the tripod helps you attach and balance your telephoto lens that is heavy or long to the front of the camera.
It features an Arca-compatible dovetail plate that allows you to attach your lens to the ball head, clamp or panoramic head of the Arca-Swiss standard.
Multiple threaded holes with 1/4"-20 and 3/8"-16 threads on the bottom for direct attachment of the lens to the tripod.
Made of aviation aluminum alloy and CNC precision machining, anodizing surface treatment, proper weight and strong building.

Performance description:
Made of metal with very high quality
The UNC (Unified National Coarse Thread): 1/4" & 3/8"
Compatibility: Arca-Swiss Standard
Ring inner diameter: 80 mm / 3.15 inches.
Base plate length: 70 mm / 2.75 inches.
Base plate width: 38 mm / 1.49 inches.
Colour: black.
Net weight: 144 g / 5 oz.

Compatible with:
For Tamron 70-180mm F/2.8 Di III VXD (A056) lens

Package includes:
1 x Lens Tripod Mounting Ring