Sigma 30mm f/1.4 DC DN Contemporary vs 7Artisans AF 35mm f/1.8

Both are L-Mount primes for street 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 · L-Mount · prices change — check the retailer

Spec	Sigma 30mm f/1.4 DC DN Contemporary	7Artisans AF 35mm f/1.8
Focal length	30mm	35mm
Max aperture	f/1.4	f/1.8
Type	prime	prime
Coverage	APS-C	full-frame
Mount	L-Mount	L-Mount

Which should you buy?

the Sigma 30mm f/1.4 DC DN Contemporary opens wider (f/1.4) — brighter in low light and more background blur
the Sigma 30mm f/1.4 DC DN Contemporary (30mm) is wider — more in the frame for street and interiors; the 7Artisans AF 35mm f/1.8 (35mm) is tighter — more reach and compression for portraits
the 7Artisans AF 35mm f/1.8 covers full-frame (also works on APS-C bodies); the Sigma 30mm f/1.4 DC DN Contemporary is APS-C-only — it won't fill a full-frame sensor

Where to buy

Sigma 30mm f/1.4 DC DN Contemporary Lens for L Mount with PC Software Acc

Check the Sigma 30mm f/1.4 DC DN Contemporary price on Amazon →

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Check the 7Artisans AF 35mm f/1.8 price on Amazon → We could not find this one on Amazon US in L-Mount — this button runs an Amazon search for it rather than opening a product page.

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FAQ

What's the difference between the Sigma 30mm f/1.4 DC DN Contemporary and the 7Artisans AF 35mm f/1.8?
The Sigma 30mm f/1.4 DC DN Contemporary is 30mm f/1.4 prime, APS-C; the 7Artisans AF 35mm f/1.8 is 35mm f/1.8 prime, full-frame. Both fit the L-Mount.

Which is better in low light, the Sigma 30mm f/1.4 DC DN Contemporary or the 7Artisans AF 35mm f/1.8?
The Sigma 30mm f/1.4 DC DN Contemporary — 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 Sigma 30mm f/1.4 DC DN Contemporary and 7Artisans AF 35mm f/1.8 fit the same camera?
Yes — both are L-Mount lenses, so they fit Panasonic Lumix S, Leica SL, and Sigma fp full-frame bodies (the L-Mount Alliance). Note the Sigma 30mm f/1.4 DC DN Contemporary 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 L-Mount comparisons: Panasonic Lumix S PRO 50mm f/1.4 vs Sigma 50mm f/1.4 DG DN Art · Sigma 28-45mm f/1.8 DG DN Art vs Sigma 17-40mm f/1.8 DC Art · Panasonic Lumix S 18mm f/1.8 vs Sigma 24mm f/1.4 DG DN Art · Panasonic Lumix S 35mm f/1.8 vs 7Artisans AF 35mm f/1.8 · all L-Mount lenses · all comparisons

Sigma 30mm f/1.4 DC DN ContemporaryAffiliate linkAmazon →