Why buy theSony FE 400mm F2.8 GM OSS Lens? Large Aperture Super-Telephoto G Master Prime Lens is the Worlds lightest in its class, with outstanding AF performance, innovative optical design and exceptional image quality! Sony Introduces the Long-AwaitedSony FE 400mm F2.8 GM OSS Lens! New Large Aperture Super-Telephoto Prime Lens is the Worlds lightest in its class, with outstanding AF performance, innovative optical design and exceptional image quality! This exciting new lens produces brilliant image quality, extraordinary focusing speed and precision while also boasting the lightest weight in its class, and an extremely balanced design.Its the ideal choice for professional sports, wildlife and nature photographers, and a perfect complement for Sonys extensive line-up of high-speed E-mount bodiesincluding Sony Alpha A9 II Digital Camera, Sony Alpha A7R III Digital Cameraand more. Sony FE 400mm F2.8 GM OSS Le