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Product Information
The Sony FE 100-400mm F4.5 GM OSS is a professional super-telephoto zoom lens designed for creators who need outstanding reach, fast autofocus performance, and exceptional image quality in a highly portable design. Built for Sony full-frame E-mount cameras, this advanced G Master™ lens is ideal for wildlife, birds, sports, photojournalism, portraits, and video production where both mobility and precision are critical.
Covering a versatile 100-400mm focal range with a constant F4.5 maximum aperture, the lens is engineered to deliver consistent exposure performance throughout the zoom range while maintaining the sharpness, clarity, and smooth bokeh expected from Sony’s premium G Master lineup. The lens can also be extended to an impressive 800mm equivalent reach when paired with compatible teleconverters, making it an incredibly flexible option for distant subjects and demanding telephoto work.
Outstanding G Master™ Optical Performance
The FE 100-400mm F4.5 GM OSS is built around an advanced optical design that prioritizes high resolution and beautiful background separation across the entire zoom range. Sony incorporates ED XA (Extra-low Dispersion extreme aspherical), XA, Super ED, and ED elements to minimize chromatic aberration and spherical aberration while maintaining excellent sharpness from edge to edge.
These advanced optics also contribute to the lens’s smooth and refined G Master bokeh, helping subjects stand out naturally against soft backgrounds. Whether capturing wildlife in the field, isolating athletes during fast-paced action, or creating compressed portrait perspectives, the lens delivers impressive rendering throughout the focal range.
Ghosting is minimized for improved contrast and clarity, while close-up performance allows creators to capture highly detailed telephoto imagery with strong subject separation and natural depth.
Fast and Precise Autofocus for Action
The FE 100-400mm F4.5 GM OSS is designed to keep up with demanding subjects and high-speed shooting environments. Advanced autofocus algorithms combined with four Sony XD (extreme dynamic) Linear Motors drive the floating focus groups for dramatically improved autofocus speed and tracking performance.
Sony states autofocus performance is up to three times faster compared to the previous generation, while tracking performance has also been significantly improved. When paired with advanced Alpha camera bodies, the lens is capable of maintaining reliable autofocus tracking during extremely high-speed burst shooting, making it an excellent choice for sports, wildlife, and action photography.
Focus breathing and zoom-related focus shifts are minimized to support smooth, professional-looking movie footage, helping hybrid creators transition seamlessly between still photography and video production.
Lightweight Design for Extended Shooting
Despite its powerful telephoto range, the FE 100-400mm F4.5 GM OSS is designed for comfortable handheld operation during long shooting sessions. Magnesium alloy construction and a carefully refined internal design keep the overall weight to approximately 1,840g, making the lens remarkably lightweight for its class.
The inner zoom design minimizes center-of-gravity shift while zooming, helping improve balance and handling when tracking moving subjects. Sony also optimized zoom torque for smoother operation and more precise control in fast-paced shooting situations.
Professional Control and Stabilization
Optical stabilization works together with Sony Alpha in-body image stabilization systems to help maintain sharp handheld results at long focal lengths. The lens also includes advanced professional controls designed for flexible shooting workflows.
A customizable function ring can be assigned to features including Preset Focus for quickly recalling a specific focus point, APS-C/Full Frame switching for rapid changes to a 1.5x equivalent crop, or Power Focus functionality. A zoom smoothness switch and built-in security slot further expand usability for professional productions and field work.
Built for Demanding Environments
The FE 100-400mm F4.5 GM OSS is engineered for reliability in challenging conditions. A dust and moisture-resistant design helps support outdoor use, while the front element features a fluorine coating that resists fingerprints, dust, water, and oil for easier cleaning and maintenance in the field.
Combined with its rugged construction, lightweight handling, and advanced autofocus system, the FE 100-400mm F4.5 GM OSS is built to meet the needs of photographers and filmmakers working in fast-moving and unpredictable environments.