The Sony FE 100-400mm f/4.5 GM OSS is a constant-aperture supertelephoto zoom lens crafted to the high standards of the G Master series. Ideal for wildlife and sports photographers who require top-tier optics and speed, this second-generation lens features a new internal zoom design, swifter autofocus, and better stabilisation, all in a weather-sealed package weighing under 2kg. Whether you are tracking birds or freezing fast-paced action, this lens delivers exceptional results.

Key Highlights

• 100–400mm constant f/4.5 maximum aperture supertelephoto zoom
• Internal zoom for consistent balance and length
• 4x XD Linear motors for premier AF speed
• 3x faster focus compared to the original 100-400mm GM
• 50% boost in AF tracking performance
• Compatible with 1.4x and 2x teleconverters
• Optical SteadyShot (OSS) with selectable modes
• 28 elements in 20 groups including ED and XA elements
• 11-blade circular aperture for natural bokeh
• 95mm front thread and 40.5mm drop-in filter slot
• Minimum focus: 0.64m (wide), 0.24x magnification
• Dust and moisture resistant with fluorine coating
• Integrated carry grip on tripod foot
• Dimensions: 119.8 x 328mm | Weight: 1,840g

Class-Leading Autofocus

Four XD Linear motors provide the rapid and precise autofocus needed by professionals. This model offers a 3x speed improvement and a 50% tracking boost over the original f/4.5-5.6 version, ensuring a higher success rate in the field. This performance remains consistent even during 120fps capture or whilst zooming.

Versatility Without Compromise

The internal zoom mechanism ensures the lens length remains constant, improving balance on gimbals. A quick quarter-turn allows for fast focal length adjustments. It is fully compatible with Sony’s teleconverters, reaching up to 800mm when necessary.

Exceptional Optics

With 28 elements in 20 groups, including Extra-low Dispersion and extreme aspherical elements, this lens maintains edge-to-edge sharpness and suppresses chromatic aberration. The 11-blade aperture creates smooth bokeh, while the fluorine coating protects the front element from the elements.

Portable and Built to Last

At 1,840g, this lens is highly portable. It features an integrated carrying grip and a security lock slot. Extensive weather sealing ensures reliability outdoors, complemented by customisable buttons for intuitive operation.