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Sony FE 85mm f/1.8 vs Sony E 50mm f/1.8 OSS

Both are Sony E mount primes for portrait and low-light — 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 85mm f/1.8Sony E 50mm f/1.8 OSS
Focal length85mm50mm
Max aperturef/1.8f/1.8
Typeprimeprime
Coveragefull-frameAPS-C
MountSony ESony E

Which should you buy?

Where to buy

Sony SEL85F18 85mm F/1.8-22 Medium-Telephoto Fixed Prime Camera Lens, Black

Sony FE 85mm f/1.8See price on Amazon

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

Sony - E 50mm F1.8 OSS Portrait Lens (SEL50F18/B), Black

Sony E 50mm f/1.8 OSSSee 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 85mm f/1.8 and the Sony E 50mm f/1.8 OSS?
The Sony FE 85mm f/1.8 is 85mm f/1.8 prime, full-frame; the Sony E 50mm f/1.8 OSS is 50mm f/1.8 prime, APS-C. Both fit the Sony E mount.

Do the Sony FE 85mm f/1.8 and Sony E 50mm f/1.8 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 Sony E 50mm f/1.8 OSS is APS-C-only and won't fill a full-frame sensor.

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

More Sony E comparisons: Tamron 17-70mm f/2.8 Di III-A VC RXD vs Sony E PZ 16-50mm f/3.5-5.6 OSS · Sony E 11mm f/1.8 vs Viltrox AF 20mm f/2.8 · Sony FE 90mm f/2.8 Macro G OSS vs Laowa 100mm f/2.8 2x Ultra Macro APO · Sony FE 90mm f/2.8 Macro G OSS vs Sony FE 100mm f/2.8 Macro GM OSS · all Sony E lenses · all comparisons

Sony FE 85mm f/1.8Affiliate linkSee price on Amazon

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