Sony SEL100400B.SYX FE 100-400mm f/4.5-5.6 GM OSS Lens

Wildlife photographers chasing elusive subjects across open terrain need a lens that delivers both reach and speed. The Sony SEL100400B.SYX FE 100-400mm f/4.5-5.6 GM OSS is built for that moment—a super-telephoto zoom that pairs G Master resolution with fast, precise autofocus. Whether you're tracking birds in flight or compressing landscapes at golden hour, this lens keeps every detail razor-sharp.

Key specifications

• Focal length: 100-400mm (full-frame E-mount)
• Aperture range: f/4.5-5.6 to f/32-40
• Optical design: 22 elements in 16 groups, including 1 Super ED and 2 ED elements
• Nano AR Coating suppresses flare and ghosting
• Optical SteadyShot (OSS) image stabilization
• Dual Linear Motor and Direct Drive SSM for fast, quiet autofocus
• Minimum focus distance: 0.98 m (3.22 ft)
• Maximum magnification: 0.12x
• 9-blade circular aperture for smooth bokeh
• Dust and moisture resistant construction
• 77 mm filter thread

Why choose it

This lens combines G Master optical excellence with rugged reliability. The advanced stabilization system allows handheld shooting at long focal lengths, while the internal focus and zoom design maintains balance and prevents dust ingress. Its fast, accurate autofocus locks onto moving subjects instantly, making it a top choice for action and wildlife photography.

Ideal use cases

• Wildlife and bird photography
• Sports and action
• Travel and landscape compression
• Portraits with creamy background blur

Good to know

The lens is compatible with Sony E-mount full-frame and APS-C cameras (providing a 150-600mm equivalent field of view on APS-C). It includes a removable tripod collar for balanced mounting on tripods or monopods. The 77 mm filter thread allows the use of standard filters for protection or creative effects.