The lenses haven’t caused much distortion at all. Stan Horaczek When you change distance to compensate for the wide angle lens, however, that’s when you start to see lots of perspective ...

Lens distortion The image on the right is a crop of the image on the left. You can see that the subject’s face distorts heavily. Stan Horaczek.

That’s wide-angle distortion. A South Korean researcher at Nanophotonics has invented a wide-angle lens without distortion and it only costs $100. How does it work?

Designed to feature zero fisheye distortion and impressive 10-point sun stars, this new compact and ultra-wide-angle lens from 7Artisans looks to be a promising new option for hybrid shooters ...

This effect is also known as barrel distortion, and usually, it isn’t a great look. Thankfully, iPhones give you a way to solve this effect, with a feature called lens correction.