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Sony FE 100-400mm f/4.5-5.6 GM OSS Lens
Key Features
E-Mount Lens/Full-Frame Format
Aperture Range: f/4.5-5.6 to f/32-40
One Super ED Element and Two ED Elements
Nano AR Coating and Fluorine Coating
1 Year Warranty
Sony FE 100-400mm f/4.5 GM OSS Lens
The Sony FE 100-400mm f/4.5 G Master OSS represents a groundbreaking leap in super-telephoto zoom engineering, establishing a new professional benchmark by introducing a constant f/4.5 maximum aperture across its entire focal range . Custom-built for sports photojournalists, wildlife trackers, and action specialists, this elite flagship lens features a fixed internal zoom design that maintains a perfectly consistent center of gravity. Driven by an advanced quad-network of XD Linear Motors, it delivers prime-lens resolution and seamless tracking speed for high-megapixel camera setups.Â
Key Features on Sony FE 100-400mm f/4.5-5.6 GM OSS Lens-
- Constant f/4.5 Maximum Aperture : Delivers an extra 2/3 stop of light at the telephoto end compared to variable-aperture predecessors, optimizing low-light handling.
- Fixed Internal Zoom Architecture : Internal barrel mechanics ensure the physical length of the lens remains entirely static across all focal lengths.
- Blistering Quad XD Linear AF Network : Four extreme dynamic linear motors drive the floating focus groups to achieve up to 3x faster autofocus speeds.
- Flagship G Master Optical Layout : Assembles 28 premium elements in 20 groups, introducing one newly developed ED XA (Extra-low Dispersion extreme aspherical) element.
- 120 fps Continuous Burst Support : Fully coordinates with advanced tracking interfaces to maintain precise subject lock-on at blistering frame rates.
- Three-Mode Optical SteadyShot (OSS) : Integrated optical image stabilization features dedicated algorithms optimized for tracking erratic, fast-moving action.
- Sublime 11-Blade Circular Bokeh : Rounded diaphragm configuration combines with sub-micron XA optical polishing to yield flawlessly smooth background blur.
- 40.5mm Rear Drop-In Filter System : Features an integrated security drawer slot near the mount alongside a large 95mm front filter thread.
- Customizable Control Function Ring : Tactile barrel ring can be mapped directly to toggle camera presets, such as switching instantly between full-frame and APS-C crop modes.
- Four Customizable Focus Hold Buttons : Strategically spaces physical target buttons flanking the barrel to grant immediate tactile control over assigned camera tracking states.
- Full Teleconverter Cross-Compatibility : Seamlessly pairs with premium 1.4x and 2.0x extenders to scale up to a sharp 560mm or 800mm super-telephoto rig.
- Fluorine Front & Weather-Sealed Protection : Built with a highly rigid magnesium alloy framework and extensive gaskets to seal out dust and moisture completely.
Product Overview
The Sony FE 100-400mm f/4.5 GM OSS systematically corrects the physical handling and exposure constraints traditionally associated with long super-telephoto zooms, delivering an unmatched hybrid instrument built for grueling field assignments. The absolute centerpiece of this architectural overhaul is the transition to a constant f/4.5 maximum aperture and an internal zoom layout. By preventing the lens barrel from telescoping outward when zooming from 100mm out to 400mm, the setup retains a rock-solid balance on gimbals, fluid heads, and shoulder rigs, eliminating sudden front-heavy tilting in the field.Â
