Sony SEL 20-70mm f/4.0 G for full-frame Sony E-mount cameras can be used for photo and video across many genres such as portraits, city scenes, landscapes, and architecture. Optical design: 16 elements in 13 groups, including two aspherical elements and three special low-dispersion elements to reduce chromatic and spherical aberrations, color fringing, distortion, and other optical anomalies. Two linear motors provide fast, quiet focusing. The lens is designed to minimize axial shift and focus breathing, reducing image shift while zooming. Included: Sony SEL 20-70mm f/4.0 G lens, front and rear caps, lens hood, protective filter.