Sony Unveils 400-800mm F6.3-8 G OSS: Its Longest Full-Frame E-Mount Lens
Sony Electronics has expanded its full-frame E-Mount lens lineup with the introduction of the 400-800mm F6.3-8 G OSS (SEL400800G), now the longest-reaching lens in the Sony mirrorless system. Previously capped at 600mm, this new addition extends the focal length to an impressive 800mm, offering photographers enhanced reach for specialized shooting, including birding, wildlife, aerial, and sports photography.
Advanced Optical Design for Superior Image Quality
The 400-800mm F6.3-8 G OSS is engineered to deliver high-quality imagery with precise control across its ultra-telephoto zoom range. An internal zoom mechanism provides stable handling, while the lens’ advanced optics ensure smooth bokeh and sharp detail. Designed for both photographers and videographers, it features fast and accurate autofocus, making it a versatile tool for capturing distant subjects with clarity.
Yang Cheng, Vice President of Imaging Solutions at Sony Electronics Inc., emphasized the company’s commitment to pushing creative boundaries:
"The 400-800mm F6.3-8 G OSS reflects our dedication to providing photographers and videographers with tools that deliver both reach and reliability. By expanding our lens lineup, we’re ensuring that Sony mirrorless users have the specialized gear needed to capture stunning imagery in even the most challenging environments."
Unmatched Focal Length and Autofocus Precision
As the first Alpha-series lens to offer a 400mm to 800mm zoom range, this model is ideal for applications where precision and reach are essential. The ability to start at 400mm for subject tracking before zooming into 800mm ensures maximum flexibility. Additionally, compatibility with 1.4x and 2x teleconverters extends the range up to 1600mm, providing even greater magnification.
Key features include:
✅ Internal zoom mechanism for balanced handling
✅ Fast and responsive zoom ring for smooth adjustments
✅ 11-blade circular aperture for beautiful, soft background bokeh
✅ Six ED (Extra-low Dispersion) glass elements to minimize chromatic aberration
✅ Advanced coatings to reduce flare and ghosting, ensuring high-contrast images
For precise autofocus, the lens is equipped with dual linear motors, capable of tracking at speeds matching the Alpha 9 III's 120 fps burst mode and up to 240 fps in video. A quiet focusing system and focus range limiter further enhance usability for both stills and video production.
Enhanced Stability and Professional Control
Designed for both handheld and tripod-mounted shooting, the lens incorporates Optical SteadyShot™ (OSS) stabilization, reducing blur from camera shake. When paired with a Sony Alpha camera featuring in-body stabilization, users can expect even greater stability.
Other notable design elements include:
🔹 Three customizable focus hold buttons for quick access in any orientation
🔹 Full-time Direct Manual Focus (DMF) for instant fine-tuning
🔹 A redesigned lens hood with a lock button and filter opening
🔹 Dust- and moisture-resistant construction for enhanced durability
Additionally, a fluorine-coated front element repels dirt and contaminants, ensuring easy maintenance in demanding environments.
With cutting-edge optics, an extended focal range, and professional-grade control, the 400-800mm F6.3-8 G OSS sets a new benchmark for Sony’s mirrorless lens lineup.
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