Sigma 45mm f/2.8 DG Contemporary vs Sigma 50mm f/2 DG Contemporary
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.
| Spec | Sigma 45mm f/2.8 DG Contemporary | Sigma 50mm f/2 DG Contemporary |
|---|---|---|
| Focal length | 45mm | 50mm |
| Max aperture | f/2.8 | f/2 |
| Type | prime | prime |
| Coverage | full-frame | full-frame |
| Mount | L-Mount | L-Mount |
Which should you buy?
- the Sigma 50mm f/2 DG Contemporary opens wider (f/2) — brighter in low light and more background blur
- the Sigma 45mm f/2.8 DG Contemporary (45mm) is wider — more in the frame for street and interiors; the Sigma 50mm f/2 DG Contemporary (50mm) is tighter — more reach and compression for portraits
Where to buy
Sigma 45mm f/2.8 DG ContemporarySee price on Amazon
Sigma 50mm f/2 DG ContemporarySee price on Amazon
FAQ
What's the difference between the Sigma 45mm f/2.8 DG Contemporary and the Sigma 50mm f/2 DG Contemporary?
The Sigma 45mm f/2.8 DG Contemporary is 45mm f/2.8 prime, full-frame; the Sigma 50mm f/2 DG Contemporary is 50mm f/2 prime, full-frame. Both fit the L-Mount.
Which is better in low light, the Sigma 45mm f/2.8 DG Contemporary or the Sigma 50mm f/2 DG Contemporary?
The Sigma 50mm f/2 DG Contemporary — its f/2 maximum aperture lets in more light and gives more background blur than the f/2.8 of the other.
Do the Sigma 45mm f/2.8 DG Contemporary and Sigma 50mm f/2 DG Contemporary 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).
More L-Mount comparisons: Panasonic Lumix S PRO 50mm f/1.4 vs Sigma 50mm f/1.4 DG DN Art · Sigma 24-70mm f/2.8 DG DN II Art vs Sigma 28-70mm f/2.8 DG DN Contemporary · Sigma 24mm f/2 DG Contemporary vs Sigma 24mm f/3.5 DG Contemporary · 7Artisans AF 24mm f/1.8 vs Meike AF 24mm f/1.4 MIX · all L-Mount lenses · all comparisons