Review: Sony 400-800mm f/6.3-8 G OSS: The Ultimate Long-Range Lens for Wildlife, Sports, and Aviation Photography

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by David Schloss

posted Monday, March 24, 2025 at 1:47 PM EDT

If you're a photographer passionate about capturing wildlife, sports, or aviation with super-long reach, you won't want to miss our latest video review. In this hands-on test, Imaging Resource’s editor David takes the Sony 400-800mm f/6.3-8 G OSS for a spin, showcasing its impressive focal length and real-world performance—all at a surprisingly attractive price.

A Closer Look at the Sony 400-800mm f/6/3 - 8 G OSS

David explains that this lens pushes the limits of focal length reach without breaking the bank. Perfect for Sony shooters, the lens fills a niche for photographers who need that extra reach when it counts. During a shoot at the Shawnagunk Grasslands National Wildlife Refuge, David captured stunning shots of harriers flying at a distance—details that other photographers missed. This review highlights how the extra 200 millimeters over the popular 200-600mm version can make all the difference.

Autofocus and Image Quality

The review dives into the lens's robust autofocus capabilities. Paired with Sony's AI subject detection, the lens locks onto small, fast-moving subjects, delivering consistently sharp images even at 30 frames per second. Despite its maximum f/8 aperture at 800mm reducing the light intake—requiring higher ISOs in fast-paced scenarios—the overall image quality remains impressive. From edge sharpness to minimal chromatic aberrations, David’s shots of birds in flight and detailed close-ups of snow monkeys and sea lions prove that this lens is more than capable when it comes to delivering crisp, vivid photos.

Build Quality and Handling

David praises the construction and design of the 400-800mm lens, noting its solid weather resistance and durable build—qualities it shares with the 200-600mm version. The innovative internal zoom mechanism makes it easier to handle compared to external telescoping designs, providing steadier shots even when hand-holding. Weighing in at just over 5.5 pounds (2.5 kg), it’s hefty yet manageable for long shooting sessions, making it a reliable companion for both field and studio work.

Comparing the Options

While the Sony 600mm f/4 remains the pinnacle of long-range glass, the 400-800mm f/6.3-8 G OSS offers a compelling alternative for those seeking versatility and affordability. If your budget is tight but you still crave the reach and performance for wildlife or sports photography, this lens could be your ideal choice. Additionally, compatibility with Sony’s teleconverters can extend its reach even further, opening up creative possibilities that push your photography to new heights.

Watch the Full Review of the Sony 400-800mm f/6.3-8 G OSS

Discover all the details—from autofocus performance and image quality nuances to handling and build reliability—in our full video review on Imaging Resource. Whether you're an avid wildlife photographer or a sports enthusiast, this review will help you decide if the Sony 400-800mm f/6.3-8 G OSS is the right tool for your photography arsenal.

Visit the video now for an in-depth look and see the incredible images captured with this long-range powerhouse.