Sony FE 200-600mm f/5.6-6.3 G OSS vs Sigma 300-600mm f/4 DG OS Sports

Both are Sony E mount zooms for telephoto and wildlife — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.

Last verified 2026-09-01 · Sony E mount · prices change — check the retailer

Spec	Sony FE 200-600mm f/5.6-6.3 G OSS	Sigma 300-600mm f/4 DG OS Sports
Focal length	200-600mm	300-600mm
Max aperture	f/5.6-6.3	f/4
Type	zoom	zoom
Coverage	full-frame	full-frame
Mount	Sony E	Sony E

Which should you buy?

the Sigma 300-600mm f/4 DG OS Sports opens wider (f/4) — brighter in low light and more background blur
the Sony FE 200-600mm f/5.6-6.3 G OSS covers 200-600mm and the Sigma 300-600mm f/4 DG OS Sports covers 300-600mm — pick the range that matches what you shoot
the Sony FE 200-600mm f/5.6-6.3 G OSS is first-party (Sony) for guaranteed full autofocus and in-camera corrections; the Sigma 300-600mm f/4 DG OS Sports is third-party — usually the value pick

Where to buy

Sony FE 200-600mm f/5.6-6.3 G OSS Super Telephoto Zoom Lens

Sony FE 200-600mm f/5.6-6.3 G OSSSee price on Amazon

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Sigma 300-600mm f/4 DG OS SportsSee price on Amazon

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FAQ

What's the difference between the Sony FE 200-600mm f/5.6-6.3 G OSS and the Sigma 300-600mm f/4 DG OS Sports?
The Sony FE 200-600mm f/5.6-6.3 G OSS is 200-600mm f/5.6-6.3 zoom, full-frame; the Sigma 300-600mm f/4 DG OS Sports is 300-600mm f/4 zoom, full-frame. Both fit the Sony E mount.

Which is better in low light, the Sony FE 200-600mm f/5.6-6.3 G OSS or the Sigma 300-600mm f/4 DG OS Sports?
The Sigma 300-600mm f/4 DG OS Sports — its f/4 maximum aperture lets in more light and gives more background blur than the f/5.6-6.3 of the other.

Do the Sony FE 200-600mm f/5.6-6.3 G OSS and Sigma 300-600mm f/4 DG OS Sports fit the same camera?
Yes — both are Sony E mount lenses, so they fit Sony a7/a9/a1 (full-frame) and a6000-series (APS-C).

Citing these specs? Go ahead — manufacturer data, last verified 2026-09-01. Copy a ready-made reference:

More Sony E comparisons: Sigma 14-24mm f/2.8 DG DN Art vs Sony FE 16-35mm f/2.8 GM II · Sony FE 24-70mm f/2.8 GM II vs Tamron 17-70mm f/2.8 Di III-A VC RXD · Sony FE 200-600mm f/5.6-6.3 G OSS vs Tamron 50-400mm f/4.5-6.3 Di III VC VXD · Sony FE 20mm f/1.8 G vs Samyang AF 14mm f/2.8 FE · all Sony E lenses · all comparisons

Sony FE 200-600mm f/5.6-6.3 G OSSAffiliate linkSee price on Amazon