iShoot Lens Tripod Mount Ring for Sigma 40mm f14 DG HSM Art Lens CNC Machined Aviation Aluminum Lens Collar Support Bracket Holder Bottom is ARCASWISS Fit Quick Release Plate for Tripod Ball Head

iShoot Lens Tripod Mount Ring for Sigma 40mm f/1.4 DG HSM Art, CNC Machined Lens Collar Support Bracket Holder, Bottom is ARCA Fit Quick Release Plate for Tripod Ball Head ARCA-SWISS Type Main features: 1. This lens collar is tailor-made for Sigma 40mm f/1.4 DG HSM Art Lens; quick release plate feature is added to the bottom, very practical; positioning by the switch and bayonet. Cannot be rotated. All corners of the tripod mount ring are grinding rounded, with 3M film inside for protecting the lens from scratches; 2. 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 82mm, the width is about 18mm; 3. The bottom of the lens bracket is 70mm detachable 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 / PMG / WIMBERLEY / MARKINS / PHOTOCLAM / SUNWAYFOTO / BENRO / SIRUI / MARSACE / ISHOOT ball head of Arca 39mm fit, suitable for iShoot IS-JZ30 / IS-JZ50 / IS-JZ64 / IS-QJ58 / IS-QJ64-FD / IS-JZ60BK / IS-JZ70MFT / IS-JZ80BK. Suitable for: Sigma 40mm f/1.4 DG HSM Art lens Package Includes: 1 x iShoot Tripod Mount Ring IS-SM40 Note: The other items in the photos not listed here are for illustrating only, not included.