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Sony FE 400mm f/2.8 GM OSS Lens

  • mfr: SEL400F28GM
  • SKU: SEL400F28GM
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Product highlights

  • Focal length: 400mm
  • Aperture range: f/22-2.8
  • Sony E-mount
  • 35mm full frame format
  • Optical SteadyShot image stabilization
  • Lightweight telephoto zoom lens
  • Fluorite and ED glass elements
  • Nano Anti Reflective coating is applied to interior lens surfaces
  • ED linear motors for fast autofocus
  • 11 blade circular aperture

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Free standard shipping included


Free standard shipping included


Free standard shipping included

Sony FE 400mm f/2.8 GM OSS Lens

The Sony FE 400mm f/2.8 GM OSS Lens features a lightweight design and uses two newly developed XD (Extreme Dynamic) Linear Motors for fast precise autofocus to take full advantage of the world’s fastest cameras - reaching speeds up to 20fps with the 24MP a9 and up to 10fps with the 42.4MP a7R III and 24.2MP a7 III.

Wide f/2.8 Maximum Aperture

The wide f/2.8 maximum aperture maintains exposure and depth of field while also allowing maximum light for shooting in almost any condition. When changing your aperture to defocus the background, the areas out of the focal plane appear blurred. This ‘bokeh’ effect of the blurred background can be enhanced with the 11 blades circular diaphragm used in this lens.

Optical SteadyShot Image Stabilization

High performance optical steady shot image stabilization is built into the lens for beautiful blur free shots. An updated ‘Mode 3’ algorithm is optimized for smooth stable framing of moving subjects. If using with an α series camera 5-axis image stabilization which is built into the camera becomes available for even sharper photos

Lightweight Design

Sony created a remarkably light weight lens with an excellent balance of the FE 400mm f/2.8 GM OSS lens -weighing it at only 6.38 lb. This is achieved through an optical design that includes three fluorite elements as well as the liberal usage of durable magnesium alloy components. The new design of this well-balanced lens, reduces the number of elements deployed at the front of the barrel, resulting in quicker, more precise panning.

Extreme Dynamic Linear Motors

To make full use of the rapidly evolving performance speed of modern and future camera bodies, the lens’s focus group is driven by two -newly developed -XD (extreme dynamic) Linear Motors that achieve higher thrust and efficiency than conventional types of AF drive motors. The XD Linear Motors deliver new levels of fast, precise, quiet autofocus operation and contribute to reliable and tenacious AF tracking that photographers shooting in sport settings will love. Added to that is a new algorithm developed specifically for the XD motors, which notably improves their response, minimizes lag and instability that can occur when driving a large aperture focus lens group. This results in a quiet, low-vibration operation.

Fluorite and ED Glass Elements

The SEL400F28GM includes three fluorite elements and one ED (Extra-low Dispersion) glass element that help to reduce chromatic aberration, a common problem in telephoto lenses. Extremely high resolution is maintained right out to the image edges. Spherical aberration is optimized to create a perfect balance between high resolution and soft, beautiful bokeh through careful control at both the design and manufacturing stages.

Nano Anti Reflective Coating

Sony’s original Nano Anti Reflective Coating is applied to interior lens surfaces to effectively suppress reflections that can lead to flare and ghosting, significantly enhancing image clarity and contrast. This precisely defined regular nano-structure allows accurate light transmission, contributing to high-quality images, even more so than with lenses that use coatings with an irregular nano-structure.

Circular Aperture

When changing your aperture to defocus the background, the light sources appear blurred. This ‘bokeh' effect of the blurred background can be enhanced with circular aperture blades used in this lens. Conventional aperture blades have flat sides creating unappealing polygonal shaped defocused points of light. Sony α lenses overcome this problem through a unique design that keeps the aperture almost perfectly circular from its wide-open setting to when it is closed by 2 stops. Smoother, more natural defocusing can be obtained as a result.


Weight 102.2 oz
Color White
Lens Mount Sony E-Mount
Maximum Aperture f/2.8
Minimum Aperture 22
Focal Length 400mm
Maximum Magnification 0.16
Angle of view 4 degree 10 feet
Minimum Focus Distance 2.7 meters
Focus Type Auto and Manual Focus
Image Stabilization Yes
Diaphragm Blades 11
Optical Design 23 Elements in 17 Groups
Fixed Focal Length 400mm
Lens Format Full Frame Sensors
Lens Type Super Telephoto


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Ratings and reviews

Sony FE 400mm F2.8 GM OSS Lens

Sony FE 400mm f/2.8 GM OSS Lens SKU: SEL400F28GM

Rated 5 out of 5 by from Primes rule! I was extremely pleased with the IQ of the Sony Primes vs the zooms lens. They are very expensive but less than Nikon. If you can justify the cost you will see a noticeable difference in IQ from the primes.
Date published: 2023-11-16
Rated 4 out of 5 by from Great Quality I love every about the Len Except for the lens hood. It would be a lot better if it was like the Minolta 600 lines that I had at one time, the Lions hood slid back it did not come off the lens I really like that all you had to do was slide it back and twist it and lock it on and then put the lens cover on.
Date published: 2022-07-07
Rated 5 out of 5 by from The Best Ever Simply the best 400mm 2.8 I ever had. Moved from Nikon to sony after 40 plus years.
Date published: 2021-05-20
Rated 5 out of 5 by from Awesome Being a wildlife and bird photographer, this lens is amazing. Tack sharp with the 2X teleconverter. Mostly use it on the 7RIII with sharp and fast focus. The lens takes Sony to another standard. I am waiting for the 600 to be a available since sometimes I need a little more reach.
Date published: 2020-09-02
Rated 5 out of 5 by from Great Sports Lens I bought the 400mm lens for the sole purpose of shooting local sports, and I have been very pleased with the results in combination with my 24mm GM and 70-200 GM. To top that off, I just placed a deposit for the 600mm and can't wait to receive it!
Date published: 2020-02-11
Rated 5 out of 5 by from Incredible fast auto focus and tack sharp! Amazing lens with VERY fast auto focus and excellent contrast. Works well with1X and 2X teleconverters! It really make a difference in my work.
Date published: 2019-11-26
Rated 5 out of 5 by from Makes me a better photographer... The auto focus paired with the A9 is "second to none". Best decision I've ever made was getting this lens.
Date published: 2019-09-02
Rated 5 out of 5 by from Excellent for wildlife photography Took this lens on safari in Sabi Sands, South Africa and it loved up to all of my expectations. Light, fast, sharp.
Date published: 2019-03-18
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