Description
Sony FE 100-400mm f/4.5 GM OSS Lens
The Sony FE 100-400mm f/4.5 GM OSS represents a significant evolution in professional telephoto optics, introducing a constant f/4.5 maximum aperture across the entire 100-400mm range. This breakthrough design ensures consistent exposure and depth-of-field control, making it a premier choice for sports, wildlife, and photojournalism. As a flagship G Master lens, it utilizes a sophisticated optical path of 28 elements in 20 groups, including newly developed ED XA (Extra-low Dispersion extreme aspherical) and Super ED elements. These work in tandem to virtually eliminate chromatic and spherical aberrations, delivering staggering corner-to-corner resolution even when shot wide open.
A major departure from traditional tele-zooms, this lens features a completely internal zoom structure, meaning its physical length remains constant at 12.9 inches. This design is critical for maintaining a stable center of gravity, making it ideal for high-end gimbal work and tracking fast-moving subjects without shifting balance. Driving the optics are four XD (extreme dynamic) Linear Motors, which provide autofocus speeds up to 3x faster and subject tracking accuracy improved by 50% compared to previous generations. This ensures the lens can keep pace with flagship bodies like the Alpha 9 III, supporting full continuous shooting at up to 120 fps with complete AF/AE tracking.
Built for the rigors of professional fieldwork, the FE 100-400mm f/4.5 GM OSS features a robust magnesium alloy barrel and a fully weather-sealed design. It introduces a specialized rear drop-in filter system for 40.5mm filters, alongside a standard 95mm front thread, allowing for creative use of NDs and polarizers even at super-telephoto lengths. The lens is also compatible with Sony’s 1.4x and 2x teleconverters, extending the reach up to 800mm (or 1,200mm in APS-C mode). With an 11-blade circular aperture for creamy G Master bokeh and a dedicated function ring for personalized control, this lens is the ultimate tool for capturing decisive moments with uncompromising clarity.
Key Specifications:
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Focal Range: 100-400mm (150-600mm equivalent on APS-C)
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Aperture: Constant f/4.5 to f/32
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AF System: Quad XD Linear Motors with floating focus
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Minimum Focus Distance: 25.2 inches (0.64m)
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Image Stabilization: Optical SteadyShot (Coordinated)
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Filter Thread: 95mm (Front) / 40.5mm (Rear Drop-in)
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Weight: 4.06 lb (1840g)
Features Include:
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Sony FE 100-400mm f/4.5 GM OSS: Flagship professional telephoto zoom
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Constant Aperture Efficiency: Eliminates exposure shifts while zooming
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Internal Zoom Design: Maintains balance for handheld and gimbal use
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Next-Gen AF Tracking: Optimized for high-speed action and 120 fps shooting
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Cinematic Control: Supports breathing compensation on compatible Alpha bodies
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Flexible Filtering: Dual front and rear filter options for professional versatility
