Aluminium Alloy Lens Tripod Mount Adapter Ring Accessory for Sigma 135mm F1.8 DG HSM Art

Feature: 1. Suitable for Sigma 135mm f1.8 DG HSM Art lens. 2. Made of aviation aluminum, CNC precisely machined, hollow-out weight reduction design, polished and surface anodized finish. 3. Customized according to the lens. Positioning by the switch and mount. Cannot be rotated. All the corners are rounded, prevent from wearing. 4. Inner Diameter is about 83mm, width is about 25mm, added quick release plate feature, plate length is about 70mm, with 14 inch and 38 inch screw holes and stainless steel anti-slip screw. 5. The quick release plate adopts AS standard, compatible for RRS ARCA-SWISS PMG WIMBERLEY MARKINS PHOTOCLAM SUNWAYFOTO BENWAYO SIRUI MARSACCE ISHOOT, etc. Suitable for IS-JZ30 IS-JZ50 IS-JZ64 IS-QJ58 IS-QJ64-FD IS-JZ60BK IS-JZ70MFT IS-JZ80BK etc. Specification: Item type: Lens Tripod Mount RingCondition: 100percent brand newMaterial: aluminium alloyWeight: Approx. 242gColor: blackRing inner diameter: Approx. 83mm3.3inRing width: Approx.25mm0.98inQuick release plate: Approx. 70mm2.8in . Package List: 1 x Lens Tripod Mount Ring1 x Inner hex wrench Note: Lens tripod mount ring is not suitable for Sigma mount 135mm f1.4 DG HSM Art lens.