Sony FE 100-400mm f/4.5-5.6 GM OSS Lens

The Sony FE 100-400mm f/4.5-5.6 GM OSS is a professional-grade telephoto zoom lens built for Sony’s full-frame E-mount mirrorless system, offering an extensive reach well suited to wildlife, sports, and action photography. As part of Sony’s flagship G Master lineup, this lens is engineered to deliver the sharpness, speed, and build quality demanded by professional and serious enthusiast photographers working with distant or fast-moving subjects.

The 100-400mm focal range provides substantial telephoto reach in a still-manageable package, making it a strong choice for photographers who need to fill the frame with distant subjects like birds, wildlife, and athletes without stepping up to a larger, heavier super-telephoto prime. Sony’s G Master optical design emphasizes exceptional resolution and contrast, with a combination of extra-low dispersion and Super ED glass elements working to control chromatic aberration and maintain sharpness even at the lens’s maximum 400mm reach. Sony’s Nano AR Coating helps suppress flare and ghosting, preserving contrast in demanding backlit conditions common in outdoor wildlife and sports photography.

Autofocus is handled by a dual autofocus system combining a ring-drive SSM (Super Sonic Motor) and a direct-drive SSM, resulting in fast, precise, and quiet focusing performance that excels at tracking erratic or fast-moving subjects. Optical SteadyShot (OSS) image stabilization helps counteract camera shake at these longer focal lengths, supporting sharper handheld shots even at slower shutter speeds. A rounded 9-blade aperture diaphragm contributes to smooth, pleasing background blur, further enhancing the lens’s ability to isolate distant subjects against soft, blurred backgrounds.

Built with a magnesium-alloy barrel and comprehensive dust and moisture resistance, this lens is designed to withstand demanding professional use in outdoor and field conditions. A retractable, direct zoom design allows for quick adjustments to focal length, while a built-in tripod mount offers a stable point of support for tripod or monopod use during extended shooting sessions. The Sony E mount ensures native compatibility with Sony’s full-frame mirrorless bodies, delivering full electronic communication for autofocus, stabilization, and aperture control. This combination of extensive telephoto reach, professional-grade optics, and dependable autofocus performance makes it a strong choice for photographers serious about wildlife, sports, and other long-distance subject photography.

Specs:
– Focal length: 100-400mm
– Maximum aperture: f/4.5-5.6 (variable)
– Lens mount: Sony E (full-frame)
– Autofocus: Dual SSM (ring-drive and direct-drive)
– Image stabilization: Optical SteadyShot (OSS)
– Special elements: ED and Super ED glass, Nano AR Coating
– Aperture blades: 9, rounded
– Build: Magnesium alloy, dust/moisture-resistant, tripod mount collar
– Series: Sony G Master (GM)