Sony’s latest FE 100–400mm F4.5 G Master OSS refines one of its most versatile telephoto ranges with a clear focus on speed, consistency, and field usability. By introducing a constant F4.5 aperture, faster autofocus performance, and a more balanced internal zoom design, this updated lens is built to better support demanding scenarios like wildlife, sports, and photojournalism. It maintains the optical precision expected of the G Master line while improving responsiveness and handling for...