Along with Sony a7R III and FE 24-105mm f/4 G OSS Lens, Sony also announced the development of Sony FE 400mm f/2.8 GM OSS Lens, no picture or specs about this lens. Now according to B&H Photo Video, this lens will be shipping in September, 2018.
- E-Mount Lens/Full-Frame Format
- Maximum Aperture: f/2.8
- Optical SteadyShot Image Stabilization