FitMyLensthe lens-by-mount reference

Sony FE 135mm f/1.8 GM vs Samyang AF 135mm f/1.8 FE

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

Last verified 2026-06-21 · Sony E mount · prices change — check the retailer

SpecSony FE 135mm f/1.8 GMSamyang AF 135mm f/1.8 FE
Focal length135mm135mm
Max aperturef/1.8f/1.8
Typeprimeprime
Coveragefull-framefull-frame
MountSony ESony E

Which should you buy?

Where to buy

Check the Sony FE 135mm f/1.8 GM price on Amazon →

Check the Samyang AF 135mm f/1.8 FE price on Amazon →

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FAQ

What's the difference between the Sony FE 135mm f/1.8 GM and the Samyang AF 135mm f/1.8 FE?
The Sony FE 135mm f/1.8 GM is 135mm f/1.8 prime, full-frame; the Samyang AF 135mm f/1.8 FE is 135mm f/1.8 prime, full-frame. Both fit the Sony E mount.

Do the Sony FE 135mm f/1.8 GM and Samyang AF 135mm f/1.8 FE 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).

More Sony E comparisons: Sigma 16mm f/1.4 DC DN Contemporary vs Sony E 15mm f/1.4 G · Sigma 50mm f/1.4 DG DN Art vs Sony FE 50mm f/1.4 GM · Sony FE 14mm f/1.8 GM vs Samyang AF 24mm f/1.8 FE · Sony FE 40mm f/2.5 G vs Sony FE 50mm f/2.5 G · all Sony E lenses · all comparisons