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Yongnuo YN 50mm f/1.8S DA DSM II vs Meike AF 55mm f/1.8 Pro

Both are Sony E mount primes for standard prime and 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

SpecYongnuo YN 50mm f/1.8S DA DSM IIMeike AF 55mm f/1.8 Pro
Focal length50mm55mm
Max aperturef/1.8f/1.8
Typeprimeprime
CoverageAPS-Cfull-frame
MountSony ESony E

Which should you buy?

Where to buy

YONGNUO Upgraded YN50MM F1.8S DA DSM II Standard Prime Lens, Auto Focus F1.8 Large Aperture, APS-C Frame for Sony E-Moun

Yongnuo YN 50mm f/1.8S DA DSM IISee price on Amazon

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

Meike 55mm F1.8 Pro AF Lens for Sony E Mount Full-Frame Cameras | Auto Focus, STM motor offers quiet focusing, sharp ima

Meike AF 55mm f/1.8 ProSee 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 Yongnuo YN 50mm f/1.8S DA DSM II and the Meike AF 55mm f/1.8 Pro?
The Yongnuo YN 50mm f/1.8S DA DSM II is 50mm f/1.8 prime, APS-C; the Meike AF 55mm f/1.8 Pro is 55mm f/1.8 prime, full-frame. Both fit the Sony E mount.

Do the Yongnuo YN 50mm f/1.8S DA DSM II and Meike AF 55mm f/1.8 Pro 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 Yongnuo YN 50mm f/1.8S DA DSM II 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: Sony FE 24-70mm f/2.8 GM II vs Tamron 28-75mm f/2.8 Di III VXD G2 · Tamron 17-70mm f/2.8 Di III-A VC RXD vs Tamron 28-75mm f/2.8 Di III VXD G2 · Yongnuo YN 23mm f/1.4 DA DSM Pro vs Sirui Aurora 35mm f/1.4 · Yongnuo YN 33mm f/1.4 DA DSM Pro vs Samyang AF 50mm f/1.4 FE II · all Sony E lenses · all comparisons

Yongnuo YN 50mm f/1.8S DA DSM IIAffiliate linkSee price on Amazon

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