Lens Collar Tripod Mount Ring Bracket for Sigma 28-70mm f/2.8 DG DN E-mount

(Not compatible with Sigma 28-70mm f/2.8 DG DN Art). 24-70mm f/2.8 DG DN Art E-mount. Sigma 14-24mm f/2.8 DG DN Art E-mount. 28-70mm f/2.8 DG DN Contemporary E-mount. 105mm f/2.8 DG DN Macro E-mount. 85mm f/1.4 DG DN Art E-mount.

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