Key Features
Full-Frame | f/4.5 to f/20
GM-Series Portable Super-Telephoto Prime
Dual XD Linear Motor AF System
Optical SteadyShot Image Stabilization
Custom Fn. Ring & 4 Focus Hold Buttons
Super ED Elements, Nano AR Coating II
Dust and Moisture-Resistant Construction
Continuous AF/AE Tracking up to 120 fps
Rounded 11-Blade Diaphragm
Fixed, Rotating Tripod Collar
 
 
Redefining Super-Telephoto Portability
Offering super-telephoto reach in an ultra-light package, the Sony FE 400mm f/4.5 GM OSS Lens packages G Master optical precision into one of the most portable 400mm primes ever made. With high-speed autofocus support, advanced internal stabilization, and a weather-resistant design, this lens is optimized for handheld use everywhere from football sidelines to photographing wildlife deep in the woods.
 
Optimized for Handheld Use
Avoiding the traditional size and weight difficulties associated with super-telephoto setups, this 400mm f/4.5 is easy to bring with you for a day of handheld shooting, ensuring you'll have the reach you need in any situation.
A maximum aperture of f/4.5 allows the lens to be shorter and lighter without significantly compromising light-gathering abilities when paired with the OSS.
 
Thanks to the use of a single front element, the center of gravity of the lens is shifted toward the camera body for a well-balanced design perfect for handheld use.
With a length of only 9.5" and weighing 2.2 lb, this lens looks closer to a 70-200 f/2.8 than a super-telephoto prime. Compared to the FE 400mm f/2.8, this f/4.5 version weighs 4.2 lb less and measures 4.6" shorter in length.
 
Teleconverter Compatibility
The FE 400mm f/4.5 GM OSS is compatible with the separately available Sony FE 1.4x and 2.0x teleconverters. These teleconverters can be used while still retaining full autofocus and auto-exposure capabilities. When used, the 1.4x and 2.0x teleconverters will provide effective focal lengths and apertures of 560mm f/6.3 and 800mm f/8, respectively.