Sony Vario-Tessar T* E 16-70mm f/4 ZA OSS Lens - International Version (No Warranty) Sony E-Mount, 24-105mm (35mm Equivalent) Aperture Range: f/4 to f/22, Optical SteadyShot Image Stabilization Four Aspherical Elements, Carl Zeiss T* Anti-Reflective Coating Constant f/4 Maximum Aperture, Circular Aperture Design Metal Lens Barrel