iShoot Lens Tripod Mount Ring for Tamron 100 400mm f/4.5 6.3 Di VC USD (A035), CNC Machined Collar Support Bracket Holder, Bottom is ARCA SWISS Fit Quick Release Plate Ball Head

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 lens ;; the tripod mount ring is referencing to and modified from Tamron original standard design, details are improved, quick release plate feature is added to the bottom, more practical than the original lens collar; The lens support adopts lightweight design of hollow, with stainless steel screw, net weight is about 180g; the inner diameter of the tripod ring is about 81.5mm, the width is about 18mm, with 3M film inside for protecting the lens from scratches; 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; The tripod collar 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; This lens holder Bottom quick release plate is AS standard, compatible with RRS / ARCA-SWISS / ISHOOT tripod ball head of Arca fit, suitable for IS-JZ30 / IS-JZ50 / IS-JZ64 / IS-QJ58 / IS-QJ64 / IS-QJ64-FD / IS-JZ60BK / IS-JZ70MFT / IS-JZ80BK clamp.