Tamron 70-300mm F/4.5-6.3 Di III RXD Lens For Sony

70-300mm Focal Length/ F4.5-6.3 Max Aperture/ 15 Elements In 10 Groups Optical Construction/ 67mm Filter Size/ 7 (Circular Diaphragm) Aperture Blades/ RXD Stepping Motor Unit/ Moisture-Resistant Construction/ BBAR (Broad-Band Anti-Reflection) Coating/ Compatible With Sony Full-Frame And APS-C Mirrorless Cameras/ Black Finish