Voigtländer APO-Lanthar 50mm f/2 E vs Sigma 17mm f/4 DG Contemporary

Both are Sony E mount primes for landscape — 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	Voigtländer APO-Lanthar 50mm f/2 E	Sigma 17mm f/4 DG Contemporary
Focal length	50mm	17mm
Max aperture	f/2	f/4
Type	prime	prime
Coverage	full-frame	full-frame
Mount	Sony E	Sony E

Which should you buy?

the Voigtländer APO-Lanthar 50mm f/2 E opens wider (f/2) — brighter in low light and more background blur
the Sigma 17mm f/4 DG Contemporary (17mm) is wider — more in the frame for street and interiors; the Voigtländer APO-Lanthar 50mm f/2 E (50mm) is tighter — more reach and compression for portraits

Where to buy

Voigtlander Standard APO-LANTHAR 50mm F2.0 Lens for Sony E Mount

Voigtländer APO-Lanthar 50mm f/2 ESee price on Amazon Amazon has no new-stock listing for this one right now — this button runs an Amazon search for it rather than opening a product page.

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Sigma 17mm f/4 DG ContemporarySee price on Amazon

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FAQ

What's the difference between the Voigtländer APO-Lanthar 50mm f/2 E and the Sigma 17mm f/4 DG Contemporary?
The Voigtländer APO-Lanthar 50mm f/2 E is 50mm f/2 prime, full-frame; the Sigma 17mm f/4 DG Contemporary is 17mm f/4 prime, full-frame. Both fit the Sony E mount.

Which is better in low light, the Voigtländer APO-Lanthar 50mm f/2 E or the Sigma 17mm f/4 DG Contemporary?
The Voigtländer APO-Lanthar 50mm f/2 E — its f/2 maximum aperture lets in more light and gives more background blur than the f/4 of the other.

Do the Voigtländer APO-Lanthar 50mm f/2 E and Sigma 17mm f/4 DG Contemporary 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).

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

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Sigma 17mm f/4 DG ContemporaryAffiliate linkSee price on Amazon