The Sony FE 100-400mm f/4.5-5.6 GM OSS will satisfy many photographers and videographers who are looking for a bit of extra reach with their full-frame E-mount camera. As a member of the G Master line, it is designed for outstanding resolution and sharpness with minimal aberrations, something assisted by the implementation of one Super ED and two ED elements as well as a Nano AR coating. It also features a relatively compact size through the use of an f/4.5-5.6 maximum aperture range, and it is equipped with both a Direct Drive SSM autofocus system as Optical SteadyShot image stabilization for outstanding performance at all focal lengths.