Amazon.com : iShoot Lens Collar Tripod Mount Ring Compatible with Tamron 70-300 f/4.5-6.3 Di RXD III A047 Z Mount, Support Holder Bracket Arca Fit Quick Release Plate Dovetail for Arca-Swiss Type Clamp
Amazon.com : Tamron 17-70mm f/2.8 Di III-A VC RXD Lens for Sony E APS-C Mirrorless Cameras Black : Electronics