One of the lesser-known ways that camera manufacturers have been able to make digital cameras ever smaller and less expensive is by using in-camera software to correct for lens distortion on the fly.

OlloCorrect corrects OlloDistortions from Olloclips. Olloclip users rejoice. Or rather, Olloclip users who really hate any kind of lens-induced distortion, rejoice! For now you can grab a free app ...