iShoot Lens Collar Tripod Mount Ring Compatible with Tamron 100-400mm f/4.5-6.3 Di VC USD (A035),
Bottom is ARCA Fit Quick Release Plate for Tripod Ball Head ARCA-SWISS Type

Main features:
1. This lens collar is tailor-made and compatible with Tamron 100-400mm f/4.5-6.3 Di VC USD (A035), not compatible with Tamron 50-400mm f/4.5-6.3 Di III VXD A067; the tripod mount ring is referencing to and modified from original standard design, details are improved, quick release plate feature is added to the bottom, more practical than the original lens collar;

2. The bottom of the lens bracket is 90mm detachable lengthening quick release plate, with 1/4” and 3/8” screw holes and stainless-steel anti-slip screws at the bottom;

4. The tripod mount ring is made of high quality Aviation Aluminum, lightweight and solid; precisely machined by world-class high-end CNC turning center, surface anodic oxidation; appearance and exquisite workmanship is much better than similar products made by mold;

5. This lens holder bottom Quick Release Plate is 39mm Arca-Swiss fit, compatible with RRS / ARCA-SWISS / ISHOOT tripod head & clamp of Arca 39mm fit.

Compatible with Tamron Lens:
100-400mm f/4.5-6.3 Di VC USD (A035)

Not compatible with50-400mm f/4.5-6.3 Di III VXD A067

Package Includes:
1 x Tripod Mount Ring IS-TA140
Note: The other items in the photos not listed here are for illustrating only, not included.