iShoot IS-SM135 Metal Tripod Mount Ring for Sigma 135mm f/1.8 DG HSM Art Lens.

Features:

Made of aviation aluminium, CNC precisely machined, hollow-out weight reduction design, polished and surface anodized finish, with stainless steel screw;
Customized according to the lens. Positioning by the switch and bayonet. Cannot be rotated. All the corners are rounded. The inside is covered with 3M plastic film to prevent wear;
Inner diameter is about 83mm, width is about 25mm; bottom is added quick release plate feature, plate length is about 70mm, with 1/4 and 3/8 screw holes and stainless steel anti-slip screw, the net weight is about 175g;
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 IS-JZ30 / IS-JZ50 / IS-JZ64 / IS-QJ58 / IS-QJ64-FD / IS-JZ60BK / IS-JZ70MFT / IS-JZ80BK clamp.

Suitable for:

Package Content:

iShoot Tripod Mount Ring IS-SM135ART for Sigma 135mm f/1.8 DG HSM Art Lens x 1
(The other items in the photos not listed here are for illustrating only, not included)