This super telephoto lens with a large aperture incorporates the most advanced lens technologies that Sony has to offer. This enables exceptional speed, outstanding resolution, and bokeh effects characteristic of the G Master series, along with professional control options and reliability. Additionally, the SEL400F28GM super telephoto lens is remarkably lightweight, providing unprecedented flexibility for handheld shooting. The lens is carefully checked for spherical aberrations during construction and manufacturing to ensure the highest possible quality in terms of bokeh. With powerful 1.4x and 2.0x teleconverters available as accessories, outstanding resolution and high contrast can be achieved even at a focal length of 800 mm.