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FE 100-400mm F4.5 GM OSS: An advanced 100-400mm super-telephoto zoom lens
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- Superb optics and AF in a superlative super-tele zoom
- Outstanding G Master™ resolution and bokeh from 100 to 400 mm
- Fast, precise AF effortlessly tracks active subjects
Features
Superb optics and AF in a superlative super-tele zoom
This exemplary 100-400 mm super-telephoto zoom lens is ideal for wildlife, birds, sports, photojournalism and more. Maximum aperture is a constant F4.5 and AF performance is fast and precise, easily maximizing the potential of Sony’s most advanced E-mount camera bodies. A lightweight inner-zoom design results in stress-free handling, while comprehensive control meets professional needs.
Superb optics and AF in a superlative super-tele zoom
This exemplary 100-400 mm super-telephoto zoom lens is ideal for wildlife, birds, sports, photojournalism and more. Maximum aperture is a constant F4.5 and AF performance is fast and precise, easily maximizing the potential of Sony’s most advanced E-mount camera bodies. A lightweight inner-zoom design results in stress-free handling, while comprehensive control meets professional needs.
Outstanding G-MasterTM resolution and bokeh from 100 to 400 mm
This fine lens delivers superb quality over a 100-400 mm range, extendable to 800 mm with an optional teleconverter.1 An ED XA (Extra-low Dispersion extreme aspherical) element plus XA, Super ED, and ED elements optimize chromatic and spherical aberration for high resolution throughout the zoom range. Maximum aperture is a constant F4.5 while zooming. The ED XA and XA elements contribute to exquisite G Master bokeh.
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- SEL20TC and SEL14TC teleconverters supported.
- Compared to the FE 100-400mm F4.5-5.6 GM OSS (SEL100400GM) mounted on an α9 III body (sold sep.).
- Sony tests. Continuous burst speed may be lower in some shooting conditions. Continuous burst speed may vary depending on the lens used in AF-C focus mode.
- Functions that can be assigned to the Function Ring will depend on the camera used. Refer to the corresponding camera Help Guide for details.
- body compatibility information: https://www.sony.com/electronics/support/articles/00199251 opens in a new window
- Not guaranteed to be 100% dust and moisture proof.
© 2026 Sony Electronics Inc. All rights reserved. Reproduction in whole or in part without written permission is prohibited. Sony is not responsible for typographical and photographic errors. Sony, the Sony logo, the Alpha logo and G Lens are trademarks of Sony Corporation. All other trademarks are trademarks of their respective owners.
What is the FE 100-400mm F4.5 GM OSS best used for?
This 100-400mm super-telephoto zoom lens is ideal for wildlife, birds, sports, photojournalism and more. Its long reach, fast AF, and reliable tracking make it well suited to action and distant subjects.
Does the FE 100-400mm F4.5 GM OSS have a constant aperture?
Yes, the lens maintains a constant F4.5 maximum aperture across the entire zoom range. This keeps exposure consistent while zooming and is bright enough for many lower-light scenarios.
How far can I extend the reach of the FE 100-400mm F4.5 GM OSS?
The 100-400mm range is extendable to 800mm with an optional teleconverter, using the SEL20TC or SEL14TC teleconverters. On APS-C bodies, the crop factor provides additional effective reach.
Does the FE 100-400mm F4.5 GM OSS have image stabilization?
Yes, it features built-in Optical SteadyShot (OSS), which helps keep images sharp and framing steady at long focal lengths and slower shutter speeds. Stabilization is especially valuable in telephoto shooting since even small hand movements are magnified.
How fast is the autofocus on the FE 100-400mm F4.5 GM OSS?
AF performance is fast and precise, easily maximizing the potential of Sony's most advanced E-mount camera bodies. It effortlessly tracks active subjects, making it suited to demanding uses like birds in flight and sports.
What optical elements deliver the image quality of the FE 100-400mm F4.5 GM OSS?
An ED XA (Extra-low Dispersion extreme aspherical) element plus XA, Super ED, and ED elements optimize chromatic and spherical aberration for high resolution throughout the zoom range. The ED XA and XA elements also contribute to exquisite G Master bokeh.
Is the FE 100-400mm F4.5 GM OSS compatible with APS-C Sony cameras?
The lens is designed for Sony's full-frame E-mount and easily maximizes the potential of Sony's most advanced E-mount camera bodies. It can also be used on APS-C E-mount bodies, where the crop factor provides additional effective reach.
Is the FE 100-400mm F4.5 GM OSS easy to handle for a super-telephoto lens?
Yes, a lightweight inner-zoom design results in stress-free handling, while comprehensive control meets professional needs. The internal design keeps the lens length constant while focusing and zooming, improving balance.
How much does the FE 100-400mm F4.5 GM OSS cost?
MSRP is listed as $4,299.99. Given that, these models can go on sale from time to time, and there are several other opportunities to save on price like through their group discounts for education, healthcare and military/veterans (ID.me & Unidays) along with their free loyalty program that gives up to 5% back in points.
*FAQ generated on 07/23/2026. Financing, pricing and promotions may no longer apply.