Sigma 17 40mm f1.8 › Distortion
3 positive · 11 mixed · 10 critical mentions across 24 sources.
Most modern lenses and cameras rely on lens compensation, which often correct for illumination, distortion, and CA.
Distortion control is quite good with lens corrections turned on and shooting JPEGs.
Okay, let's turn off in camera corrections and take a look at distortion and vignetting.
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