Sony has announced the FE 100-400mm F4.5 GM OSS lens, which features a constant f4.5 aperture and is designed for sports and wildlife photography. The lens was announced alongside the Alpha 7R VI camera, although not all outlets mention this. The FE 100-400mm F4.5 GM OSS is reportedly a high-end lens, with some outlets suggesting it may be a significant development in the field of sports photography.