CNC Aviation Aluminum Lens Collar Support Tripod Mount Ring IS-SM40
for Sigma 40mm f/1.4 DG HSM Art Lens
Bottom is ARCA Type Quick Release Plate Feature
Compatible with Tripod Ball Head of ARCA-SWISS / PMG Fit
Features:
1. The tripod mount ring is made of aviation aluminum, CNC precisely machined, hollow-out weight reduction design, polished and surface anodized, with stainless steel screw; net weight is about 180g;

2. Tailor-made according to the lens. Positioning by the switch and bayonet. Cannot be rotated. All corners of the lens collar are grinding rounded, using 3M plastic film inside to prevent lens wear;

3. The inner diameter of the lens support is about 82mm and the width is about 18mm. Added the function of quick release plate. The length of the plate is about 70mm, with 1/4 and 3/8 screw holes and stainless steel anti-slip screws;

4. Bottom quick release plate is AS standard, compatible with RRS / ARCA-SWISS / PMG / WIMBERLEY / MARKINS / PHOTOCLAM / SUNWAYFOTO / BENRO / SIRUI / MARSACE / ISHOOT tripod ball head of Arca 39mm fit, suitable for iShoot IS-JZ50 / IS-JZ64 / IS-QJ58 / IS-QJ64-FD / IS-Z60BK / IS-JZ70MFT / IS-JZ80BK / IS-JZ85.
Applicable to:

Sigma 40mm f/1.4 DG HSM Art Lens
Note: Compatible with Canon, Nikon, Sony FE Mount, not compatible with other mount.

Package Including:
1 x iShoot Tripod Mount Ring IS-SM40 for Sigma 40mm f/1.4 DG HSM Art Lens
(The other items in the photos not listed here are for illustrating only, not included)