Sony FE 100-400mm f/4.5-5.6 GM OSSTargeting sports, wildlife, and action shooters, this FE 100 400mm f 4. 5 5. 6 GM OSS Lens from Sony 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 with outstanding resolution and sharpness in mind, along with a relatively compact size, responsive autofocus, and Optical SteadyShot image stabilization for outstanding