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Tamron 20mm f/2.8 Di III OSD M1:2 vs Tamron 24mm f/2.8 Di III OSD M1:2

Both are Sony E mount primes for wide-angle and street — 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

SpecTamron 20mm f/2.8 Di III OSD M1:2Tamron 24mm f/2.8 Di III OSD M1:2
Focal length20mm24mm
Max aperturef/2.8f/2.8
Typeprimeprime
Coveragefull-framefull-frame
MountSony ESony E

Which should you buy?

Where to buy

Tamron 20mm f/2.8 Di III OSD M1:2 Lens for Sony Full Frame/APS-C E-Mount | 20mm f/2.8 lens with 1:2 magnification and OS

Tamron 20mm f/2.8 Di III OSD M1:2See price on Amazon

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

Tamron 24mm F/2.8 Di III OSD M1:2 Lens for Sony Full Frame/APS-C E-Mount Mirrorless Camera

Tamron 24mm f/2.8 Di III OSD M1:2See 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 Tamron 20mm f/2.8 Di III OSD M1:2 and the Tamron 24mm f/2.8 Di III OSD M1:2?
The Tamron 20mm f/2.8 Di III OSD M1:2 is 20mm f/2.8 prime, full-frame; the Tamron 24mm f/2.8 Di III OSD M1:2 is 24mm f/2.8 prime, full-frame. Both fit the Sony E mount.

Do the Tamron 20mm f/2.8 Di III OSD M1:2 and Tamron 24mm f/2.8 Di III OSD M1:2 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 35mm f/1.4 DG DN Art vs Sony FE 35mm f/1.4 GM · Sony FE 50mm f/1.4 GM vs Sony FE 85mm f/1.4 GM II · Tamron 35mm f/2.8 Di III OSD M1:2 vs Samyang AF 35mm f/2.8 FE · Samyang AF 16mm f/2.8 P FE vs Samyang AF 18mm f/2.8 FE · all Sony E lenses · all comparisons

Tamron 20mm f/2.8 Di III OSD M1:2Affiliate linkSee price on Amazon

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