Tamron SP AF 17-50mm F/2.8 XR Di II LD A16 Sony Minolta A Mount from Japan
This is a pre-owned Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical [IF] lens (Model A16), likely for Sony / Minolta A mount. Not for Sony E-mount. Zoom operation is smooth. The aperture blades open and close properly.