Have you ever taken a photo where the straight lines bend outwards and become curved at the edge of the frame? Then you need to learn how to fix lens barrel distortion in photography, which is a common problem that occurs when using a wide-angle lens.

While this effect can be appealing in some cases, such as the artistic photo, there are many times when you want to avoid it and have nice, straight lines. This is especially true when documenting a building: you want the lines of the architecture to be as straight as they would be in real life.

The good news is that barrel lens distortion can be corrected. But first it is essential to understand why it happens.

Barrel distortion is an effect associated with wide-angle lenses, and especially wide-angle zoom lenses.