Yongnuo YN 23mm f/1.4 DA DSM Pro vs Sirui Aurora 35mm f/1.4

Both are Sony E mount primes for everyday 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

Spec	Yongnuo YN 23mm f/1.4 DA DSM Pro	Sirui Aurora 35mm f/1.4
Focal length	23mm	35mm
Max aperture	f/1.4	f/1.4
Type	prime	prime
Coverage	APS-C	full-frame
Mount	Sony E	Sony E

Which should you buy?

the Yongnuo YN 23mm f/1.4 DA DSM Pro (23mm) is wider — more in the frame for street and interiors; the Sirui Aurora 35mm f/1.4 (35mm) is tighter — more reach and compression for portraits
the Sirui Aurora 35mm f/1.4 covers full-frame (also works on APS-C bodies); the Yongnuo YN 23mm f/1.4 DA DSM Pro is APS-C-only — it won't fill a full-frame sensor

Where to buy

Yongnuo YN 23mm f/1.4 DA DSM ProSee price on Amazon We could not find this one on Amazon US in Sony E — this button runs an Amazon search for it rather than opening a product page.

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SIRUI Aurora 35mm F1.4 Full Frame AF Lens for Sony E Mount

Sirui Aurora 35mm f/1.4See price on Amazon

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FAQ

What's the difference between the Yongnuo YN 23mm f/1.4 DA DSM Pro and the Sirui Aurora 35mm f/1.4?
The Yongnuo YN 23mm f/1.4 DA DSM Pro is 23mm f/1.4 prime, APS-C; the Sirui Aurora 35mm f/1.4 is 35mm f/1.4 prime, full-frame. Both fit the Sony E mount.

Do the Yongnuo YN 23mm f/1.4 DA DSM Pro and Sirui Aurora 35mm f/1.4 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 23mm 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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Sirui Aurora 35mm f/1.4Affiliate linkSee price on Amazon