Tokina atx-m 56mm f/1.4 E vs Sony FE 100mm f/2.8 STF GM OSS

Both are Sony E mount primes for portrait — 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

Which should you buy?

• the Tokina atx-m 56mm f/1.4 E opens wider (f/1.4) — brighter in low light and more background blur
• the Tokina atx-m 56mm f/1.4 E (56mm) is wider — more in the frame for street and interiors; the Sony FE 100mm f/2.8 STF GM OSS (100mm) is tighter — more reach and compression for portraits
• the Sony FE 100mm f/2.8 STF GM OSS covers full-frame (also works on APS-C bodies); the Tokina atx-m 56mm f/1.4 E is APS-C-only — it won't fill a full-frame sensor
• the Sony FE 100mm f/2.8 STF GM OSS is first-party (Sony) for guaranteed full autofocus and in-camera corrections; the Tokina atx-m 56mm f/1.4 E is third-party — usually the value pick

Where to buy

Tokina atx-m 56mm f/1.4 ESee price on Amazon We could not find this one on Amazon US in Sony E — this button runs an Amazon search for it rather than opening a product page.

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Sony FE 100mm f/2.8 STF GM OSSSee price on Amazon

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FAQ

What's the difference between the Tokina atx-m 56mm f/1.4 E and the Sony FE 100mm f/2.8 STF GM OSS?
The Tokina atx-m 56mm f/1.4 E is 56mm f/1.4 prime, APS-C; the Sony FE 100mm f/2.8 STF GM OSS is 100mm f/2.8 prime, full-frame. Both fit the Sony E mount.

Which is better in low light, the Tokina atx-m 56mm f/1.4 E or the Sony FE 100mm f/2.8 STF GM OSS?
The Tokina atx-m 56mm f/1.4 E — its f/1.4 maximum aperture lets in more light and gives more background blur than the f/2.8 of the other.

Do the Tokina atx-m 56mm f/1.4 E and Sony FE 100mm f/2.8 STF GM OSS 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). Note the Tokina atx-m 56mm f/1.4 E is APS-C-only and won't fill a full-frame sensor.

More Sony E comparisons: Sony E 11mm f/1.8 vs Viltrox AF 13mm f/1.4 · Sony FE 14mm f/1.8 GM vs Sony FE 24mm f/1.4 GM · Laowa 90mm f/2.8 2x Ultra Macro APO vs Sony E 30mm f/3.5 Macro · Voigtländer Nokton 40mm f/1.2 E vs Voigtländer APO-Lanthar 50mm f/2 E · all Sony E lenses · all comparisons

Sony FE 100mm f/2.8 STF GM OSSAffiliate linkSee price on Amazon