The Sony FE 600mm f/4 GM OSS (SEL600F40GM) is a full-frame super-telephoto prime lens in the Sony E mount, featuring a maximum aperture of f/4, optical image stabilisation, 18 elements in 24 groups, 11 aperture blades, a minimum focus distance of 4.5m, and a weight of 3040g — built for professional sports and wildlife photography.
Key Specifications
- Focal length: 600mm (prime)
- Maximum aperture: f/4
- Minimum aperture: f/22
- Lens construction: 18 elements in 24 groups
- Aperture blades: 11 (for smooth, rounded bokeh)
- Image stabilisation: Yes (OSS — Optical SteadyShot)
- Minimum focus distance: 4.5m
- Maximum magnification: 0.14x
- Filter thread: 40mm (rear drop-in filter system)
- Dimensions: 164mm diameter × 449mm length
- Weight: 3040g
- Weather sealing: Yes
- Lens mount: Sony E (full-frame compatible)
- Lens series: Sony G Master (GM)
- Hood included: Yes
What makes the Sony FE 600mm f/4 GM OSS special?
The Sony FE 600mm f/4 GM OSS sits at the very top of Sony's G Master lens lineup. G Master lenses deliver both extreme sharpness and beautiful bokeh simultaneously — a combination that's genuinely hard to achieve at super-telephoto focal lengths. The 11-blade aperture diaphragm produces exceptionally smooth, circular out-of-focus rendering even wide open at f/4, making your subject pop against a creamy background in a way that narrower-aperture alternatives simply can't match.
At 600mm and f/4, this lens gives you a one-stop light advantage over f/5.6 telephoto options — that's enough to shoot at faster shutter speeds in dim stadium lighting or golden-hour wildlife scenes, or to keep ISO lower for cleaner files. The Optical SteadyShot (OSS) system works in tandem with Sony's in-body stabilisation on compatible bodies like the Sony Alpha 1 or Sony Alpha 9 III, giving you a meaningful stabilisation advantage when tracking moving subjects or shooting handheld.
The lens construction uses 18 elements in 24 groups. Multiple XA (extreme aspherical) and Super ED (extra-low dispersion) elements are used to suppress chromatic aberration across the full frame — an area where many super-telephoto lenses struggle. Real-world shooters report essentially zero purple fringing even at high contrast edges, which means less time in post correcting fringing on white feathers or jersey numbers.
Autofocus on this lens is driven by a Sony XD (extreme dynamic) linear motor system, which delivers fast, near-silent tracking. Paired with compatible Sony Alpha bodies, you get reliable subject recognition and real-time eye/animal-eye autofocus tracking.
