Samyang AF 35mm f/1.8 FE vs Yongnuo YN 33mm f/1.4 DA DSM Pro

Both are Sony E mount primes for standard prime and everyday — 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

Spec	Samyang AF 35mm f/1.8 FE	Yongnuo YN 33mm f/1.4 DA DSM Pro
Focal length	35mm	33mm
Max aperture	f/1.8	f/1.4
Type	prime	prime
Coverage	full-frame	APS-C
Mount	Sony E	Sony E

Which should you buy?

the Yongnuo YN 33mm f/1.4 DA DSM Pro opens wider (f/1.4) — brighter in low light and more background blur
the Yongnuo YN 33mm f/1.4 DA DSM Pro (33mm) is wider — more in the frame for street and interiors; the Samyang AF 35mm f/1.8 FE (35mm) is tighter — more reach and compression for portraits
the Samyang AF 35mm f/1.8 FE covers full-frame (also works on APS-C bodies); the Yongnuo YN 33mm f/1.4 DA DSM Pro is APS-C-only — it won't fill a full-frame sensor

Where to buy

Samyang SYIO3518 35mm F1.8 Auto Focus Full Frame Lens, Sony E

Check the Samyang AF 35mm f/1.8 FE price on Amazon →

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YONGNUO 33MM F1.4 DA DSM WL Pro Prime Standard Lens for Sony E Mount, Auto Focus APS-C Format for Sony Mirrorless Camera

Check the Yongnuo YN 33mm f/1.4 DA DSM Pro price on Amazon →

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FAQ

What's the difference between the Samyang AF 35mm f/1.8 FE and the Yongnuo YN 33mm f/1.4 DA DSM Pro?
The Samyang AF 35mm f/1.8 FE is 35mm f/1.8 prime, full-frame; the Yongnuo YN 33mm f/1.4 DA DSM Pro is 33mm f/1.4 prime, APS-C. Both fit the Sony E mount.

Which is better in low light, the Samyang AF 35mm f/1.8 FE or the Yongnuo YN 33mm f/1.4 DA DSM Pro?
The Yongnuo YN 33mm f/1.4 DA DSM Pro — its f/1.4 maximum aperture lets in more light and gives more background blur than the f/1.8 of the other.

Do the Samyang AF 35mm f/1.8 FE and Yongnuo YN 33mm f/1.4 DA DSM 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 33mm f/1.4 DA DSM Pro 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:

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Samyang AF 35mm f/1.8 FEAffiliate linkAmazon →