Many camera and lens manufacturers make wide-angle lenses and say things about them not having any distortion. But that’s really not always true at all. Sure, you can fix it in post-production if anything. But that’s like buying a computer monitor with 5K resolution when it’s actually not 5K at all. It’s a lie. Some of that lie is hidden with in-camera correction data that isn’t even always activated. Indeed, this has become the problem with various lenses over the past decade. We saw it a lot with Fujifilm over the years — especially with their 16mm f1.4 lens. So here’s how you can spot issues with distortion easily.
