DxOMark published their test results of the Sigma 20mm f/1.4 DG HSM Art lens for Canon mount. Tested on the Canon EOS 5D Mark III, the Sigma 20mm f/1.4 DG HSM Art Lens earned a high 31 points overall score and a peak sharpness of 18P-Mpix. It is an exceptional performer. According to DxOMark, the new Art series model is ranked in fourth place alongside the recently-introduced 24mm f1.4 DG HSM Art overall, though it has slightly higher peak sharpness and lower vignetting.
See the test results below:
Sigma 20mm F1.4 DG HSM A Canon versus Carl Zeiss Distagon T 21mm f/2.8 ZE Canon versus Canon EF 16-35mm f/4L IS USM:
Sigma 20mm F1.4 DG HSM A Canon versus Nikon AF-S NIKKOR 20mm f/1.8G ED versus Sigma 20mm F1.8 EX DG ASP RF Nikon:
Sigma continues to raise the bar with this new addition to their Art series primes. The new 20mm f1.4 DG HSM A compares very favorably with the Zeiss Distagon T* 2.8/21, even outperforming it when stopped down, and it looks very promising against the relatively new Nikon Nikkor 20mm f1.8G ED.
Canon has yet to upgrade its old EF 20mm f2.8 from the film days, but it offers some excellent zooms that cover 20mm; however, even when stopped down, they lack the edge-to-edge sharpness of the Sigma. Of course, the Sigma is an ultra-high-speed model that’s suited to a variety of subjects, including indoor scenes with low ambient light levels, as well as landscapes, and even architecture (albeit with some easy-to-achieve correction with software). At around $899, the Sigma is competitively priced and difficult to ignore. If you’re in the market for a 20mm, this model is definitely worth a closer look.
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