7Artisans AF 10mm f/2.5 (fisheye) vs Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art

Both are L-Mount primes for wide-angle and astrophotography — 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	7Artisans AF 10mm f/2.5 (fisheye)	Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art
Focal length	10mm	15mm
Max aperture	f/2.5	f/1.4
Type	prime	prime
Coverage	full-frame	full-frame
Mount	L-Mount	L-Mount

Which should you buy?

the Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art opens wider (f/1.4) — brighter in low light and more background blur
the 7Artisans AF 10mm f/2.5 (fisheye) (10mm) is wider — more in the frame for street and interiors; the Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art (15mm) is tighter — more reach and compression for portraits

Where to buy

7Artisans AF 10mm F2.5 STM Full Frame Fisheye Lens for L Mount Cameras

7Artisans AF 10mm f/2.5 (fisheye)See price on Amazon

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Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art Lens, L Mount, Included Value | HLA motor, MFL switch, tripod socket, rear f

Sigma 15mm f/1.4 DG DN Diagonal Fisheye ArtSee price on Amazon

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FAQ

What's the difference between the 7Artisans AF 10mm f/2.5 (fisheye) and the Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art?
The 7Artisans AF 10mm f/2.5 (fisheye) is 10mm f/2.5 prime, full-frame; the Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art is 15mm f/1.4 prime, full-frame. Both fit the L-Mount.

Which is better in low light, the 7Artisans AF 10mm f/2.5 (fisheye) or the Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art?
The Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art — its f/1.4 maximum aperture lets in more light and gives more background blur than the f/2.5 of the other.

Do the 7Artisans AF 10mm f/2.5 (fisheye) and Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art 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).

Citing these specs? Go ahead — manufacturer data, last verified 2026-09-01. Copy a ready-made reference:

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7Artisans AF 10mm f/2.5 (fisheye)Affiliate linkSee price on Amazon