Barrel distortion occurs with wide-angle lenses, making the whole image appear to bow outward from the middle. For example, if you took a photograph of a box with a lens impacted by barrel ...

This is very good performance, especially considering the amount of geometric distortion correction taking place at wide angle. The images above were taken from our standardized test shots.

See below for uncorrected images at wide angle and telephoto. Barrel distortion at wide angle is about 3% Barrel distortion at telephoto is about 0.5% To see how much correction is taking place in ...

Samyang has unveiled the AF 12mm F2 RF-S, its first autofocus lens designed for Canon RF-S cameras. Launched on 5 December ...