Superb optics and AF in a superlative super-tele zoom
This exemplary 100400 mm super-telephoto zoom lens is ideal for wildlife, birds, sports, photojournalism and more. Maximum aperture is a constant F4.5 and AF performance is fast and precise, easily maximizing the potential of Sonys most advanced E-mount camera bodies. A lightweight inner-zoom design results in stress-free handling, while comprehensive control meets professional needs

Outstanding G Master resolution and bokeh from 100 to 400 mm
This fine lens delivers superb quality over a 100400 mm range, extendable to 800 mm with an optional teleconverter. An ED XA (Extra-low Dispersion extreme aspherical) element plus XA, Super ED, and ED elements optimize chromatic and spherical aberration for high resolution throughout the zoom range. Maximum aperture is a constant F4.5 while zooming. The ED XA and XA elements contribute