Sigma 20mm f/2 DG DN: B&H Photo / Amazon / Adorama
Sony FE 20mm f/1.8 G: B&H Photo / Amazon / Adorama
Lens tips published its full review of the Sigma 20mm f/2 DG DN | Contemporary, which you can read in full here. You might want to get the Sony 20mm f/1.8 G instead if you prefer a lens with fewer compromises though.
The Sigma C 20 mm f/2 DG DN is a very decent lens which has just one problem: a very strong direct rival. We think here about the Sony FE 20 mm f/1.8G. It’s true the Sigma is cheaper than the Sony by about $200 and now costs around $700 but I think many people will decide to buy the brand name Sony lens as it is faster and optically better.
Pros:
- solid, weather-sealed mechanical construction,
- good image quality in the frame centre,
- sensible image quality on the edge of the APS-C sensor,
- decent image quality on the edge of full frame,
- negligible lateral chromatic aberration,
- excellent astigmatism correction,
- moderate vignetting on the APS-C sensor,
- very good performance against bright light,
- sensible work of autofocus.
Cons:
- monstrous vignetting on full frame,
- distinct distortion of moustache variety.
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