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Sony Electronics Introduces the FE 100-400mm F4.5 GM OSS G Master™ Lens

Sony Electronics has made a significant stride in the world of professional photography with the launch of their latest product, the FE 100-400mm F4.5 GM OSS. This innovative lens joins the prestigious G Master™ series, designed specifically for full-frame Alpha™ E-mount cameras. Notably, the FE 100-400mm covers a substantial focal range, all while maintaining a constant aperture of F4.5 throughout its range.

This new lens takes advantage of advanced optics to deliver stunningly detailed images, marking a leap from its predecessor, the FE 100-400mm F4.5-5.6 GM OSS. The autofocus system has been radically upgraded, boasting speeds that are three times faster, allowing for seamless tracking of fast-moving subjects like birds in flight or athletes in action. Photographers will appreciate the reduced weight of around 65 oz (1,840 g), providing optimal balance and mobility when capturing images.

Key Features and Advantages

Unparalleled Optical Quality

The lens features a sophisticated optical design that incorporates several types of glass elements, including newly developed ED XA (Extra-low Dispersion extreme aspherical) and Super ED (Extra-low Dispersion). This meticulous construction is designed to minimize chromatic and spherical aberrations, thus ensuring exceptional resolution across the zoom range—even at the largest aperture of F4.5.

Advanced Autofocus Capabilities

Equipped with four XD (extreme dynamic) linear motors and improved focusing algorithms, the lens achieves impressive autofocus speeds. These innovations lead to approximately 50% better subject tracking, making it fully compatible with the Alpha 9 III model, which features continuous shooting at up to 120 fps.

Lightweight and Robust Design

The inner-zoom design of the FE 100-400mm GM OSS maintains a constant length throughout its zooming, which helps with framing adjustments while keeping the center of gravity stable. Built from robust magnesium alloy, this lens combines both durability and a lightweight profile, perfect for long shooting sessions without fatigue.

Ideal for Diverse Photography Types

Whether you are into wildlife photography, sports, or photojournalism, the FE 100-400mm F4.5 GM OSS is designed for excellence. Its capability to capture decisive moments—thanks to its fast autofocus and superb image quality—makes it an advantageous choice for serious creators.

Built-in Stabilization and User Control

Not only does this new lens come with built-in stabilization capabilities for smoother captures, but it also features four customizable focus hold buttons and a dedicated function ring. This aspect of user control allows for a more intuitive experience while shooting in various environments.

Weather Sealing

The design includes dust and moisture resistance, paired with a fluorine coating on the front element that further protects against harsh conditions, ensuring reliability during outdoor shoots.

Pricing and Availability

The FE 100-400mm F4.5 GM OSS will be available starting in June 2026, with a price tag of approximately $4,299.99 in the U.S. and $5,599.99 CAD. It will be available through Sony’s website and authorized dealers in North America.

For visual demonstrations of this new technology, users can view product videos and extensive educational content on the official Sony Alpha Universe site, dedicated to inspire photographers worldwide.

Sony Electronics Inc. continues to lead with groundbreaking innovations that empower creators to capture their visions and tell their stories through imagery that resonates.

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For more details regarding the lens and its specifications, visit Sony Electronics.

Conclusion

With the introduction of the FE 100-400mm F4.5 GM OSS, Sony reaffirms its commitment to professional photographers, setting new standards in image quality, and providing the tools needed to thrive in competitive photography environments.