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Sony FE 300mm f/2.8 GM OSS vs Sigma 500mm f/5.6 DG DN OS Sports

Both are Sony E mount primes for sports & action 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

SpecSony FE 300mm f/2.8 GM OSSSigma 500mm f/5.6 DG DN OS Sports
Focal length300mm500mm
Max aperturef/2.8f/5.6
Typeprimeprime
Coveragefull-framefull-frame
MountSony ESony E

Which should you buy?

Where to buy

Sony FE 300mm F2.8 GM OSS

Sony FE 300mm f/2.8 GM OSSSee price on Amazon

Amazon links are affiliate links — we may earn a commission at no extra cost to you.

500mm F5.6 DGDN OS for Sony E Mount

Sigma 500mm f/5.6 DG DN OS SportsSee price on Amazon

As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Affiliate links never affect our specs or which lenses we compare.

FAQ

What's the difference between the Sony FE 300mm f/2.8 GM OSS and the Sigma 500mm f/5.6 DG DN OS Sports?
The Sony FE 300mm f/2.8 GM OSS is 300mm f/2.8 prime, full-frame; the Sigma 500mm f/5.6 DG DN OS Sports is 500mm f/5.6 prime, full-frame. Both fit the Sony E mount.

Which is better in low light, the Sony FE 300mm f/2.8 GM OSS or the Sigma 500mm f/5.6 DG DN OS Sports?
The Sony FE 300mm f/2.8 GM OSS — its f/2.8 maximum aperture lets in more light and gives more background blur than the f/5.6 of the other.

Do the Sony FE 300mm f/2.8 GM OSS and Sigma 500mm f/5.6 DG DN 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: Sony FE 24-50mm f/2.8 G vs Sony FE 28-60mm f/4-5.6 · Sigma 14-24mm f/2.8 DG DN Art vs Sony FE 16-35mm f/2.8 GM II · Sony FE 400mm f/2.8 GM OSS vs Sony FE 600mm f/4 GM OSS · Sony FE 400mm f/2.8 GM OSS vs Sony FE 400mm f/4.5 GM OSS · all Sony E lenses · all comparisons

Sony FE 300mm f/2.8 GM OSSAffiliate linkSee price on Amazon

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