PTLens

PTLens is a simple photoshop plugin created with the only aim of correcting some defects of your digital photos. And it does it really well.

Exactly, PTLens correct any distortion or chromatic failure in any digital picture. It sounds hard to perform but its easy to use and intuitive interface let you power up your photos in just two clicks.

It supports several digital still camera models. And it uses Panorama Tools library to perform the required mathematics calculations to apply the filters and correct the images.