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Rent NowThe Sony FE 100-400mm f/4.5-5.6 GM OSS is a professional-grade super-telephoto zoom lens for Sony’s full-frame E-mount mirrorless cameras, part of Sony’s flagship G Master series and designed to fill a major gap in Sony’s full-frame telephoto lineup. It’s aimed at wildlife, sports, and action photographers and videographers who need substantial reach combined with G Master optical performance and fast, confident autofocus.
Optically, the lens covers a 100-400mm focal range with a variable maximum aperture of f/4.5 at the wide end narrowing to f/5.6 at full telephoto, an ideal compromise that keeps the lens relatively compact and lightweight for a lens of this reach while remaining bright enough for available-light shooting. The 22-element, 16-group optical design includes one Super ED (Extra-low Dispersion) element and two ED elements to control chromatic aberration and reduce color fringing, along with Sony’s Nano AR Coating to reduce surface reflections, flare, and ghosting, and a fluorine coating on the front element to resist smudges and moisture. A rounded 9-blade diaphragm contributes to pleasing bokeh when using selective-focus techniques.
Autofocus is handled by dual simultaneous focusing groups, combining a Direct Drive Super Sonic wave Motor (SSM) with a double linear motor, a first for an Alpha mirrorless lens at its release, delivering fast, precise, and nearly silent focusing performance well suited to tracking fast-moving subjects. Sony’s Optical SteadyShot (OSS) image stabilization minimizes the appearance of camera shake across the zoom range, and works in coordination with select camera bodies’ built-in sensor-shift stabilization for even more effective blur control. A focus range limiter switch, dedicated focus hold buttons, an AF/MF switch, and a zoom torque adjustment ring (letting photographers tune zoom ring resistance) round out the lens’s intuitive handling.
Build quality includes dust- and splash-resistant construction, along with a removable, rotating tripod mount foot that permits quick switching between horizontal and vertical shooting orientations without needing to readjust the tripod head itself. The lens has a minimum focusing distance of 38.6 in. (0.98m), yielding a best-in-class maximum magnification of 0.35x at 400mm, and accepts a 77mm filter thread. It measures approximately 3.7 x 8.1 in. (93.9 x 205mm) and weighs approximately 1,395g (with the tripod foot removed). The lens is compatible with Sony’s FE 1.4x and FE 2.0x teleconverters, extending effective reach up to 800mm.
As a full-frame E-mount lens, the FE 100-400mm f/4.5-5.6 GM OSS delivers its full angle of view on Sony full-frame bodies while remaining compatible with Sony APS-C E-mount cameras at an effective 150-600mm equivalent focal range.
Key Features
– 100-400mm super-telephoto zoom (G Master) for Sony full-frame E-mount
– Maximum aperture f/4.5-5.6 (variable)
– 22 elements in 16 groups, including 1 Super ED element and 2 ED elements
– Nano AR Coating; fluorine-coated front element
– Dual simultaneous autofocus (Direct Drive SSM + double linear motor)
– Optical SteadyShot (OSS) image stabilization, with IBIS coordination on select bodies
– Focus range limiter switch and dedicated focus hold buttons
– Zoom torque adjustment ring
– Rounded 9-blade diaphragm
– Dust- and splash-resistant construction
– Removable, rotating tripod mount foot
– Minimum focusing distance of 38.6 in. (0.98m); 0.35x maximum magnification (at 400mm)
– Compatible with Sony FE 1.4x and 2.0x teleconverters (up to 800mm effective reach)
– 77mm filter thread
– Approximate weight: 1,395g
– Compatible with Sony full-frame and APS-C E-mount cameras (150-600mm equivalent on APS-C)
