Sigma 20mm f/1.4 DG HSM Art Aperture Series: Distortion examples, Uncorrected and Corrected
Get Sigma 20mm f/1.4 DG HSM Art at B&H Photo.
Three examples show the real-world distortion behavior of the Sigma 20mm f/1.4 DG HSM Art. It is an impressive performance for the Sigma 20/1.4A.
Sigma 20mm f/1.4 DG HSM Art Aperture Series: Distortion (5DS R)
These example should be helpful to anyone using the Sigma 20mm f/1.4A for architectural work or similar—anywhere where distortion correction is a concern.