Tamron 28-75mm f/2.8 Di III RXD is a High-Speed Standard Zoom Lens for Sony E-Mount, Full-Frame Mirrorless Cameras to Deliver Distinctive Images with Soft Bokeh: Compact, Lightweight, Quick and Precise AF, Quiet, Moisture-Resistant Construction; Get New Photographic Expression with Close-Up Shooting at the Wide-Angle End Via the 0.19m Minimum Object Distance (MOD)