PTLens is software that corrects lens pincushion/barrel distortion, vignetting, chromatic aberration, and perspective.

The following are supported:
- PC (Windows 2000 or later, screen resolution at least 1024x768 DPI 96)
- Standalone application (JPEG, 8 or 16-bit TIFF)
- External editor for Lightroom (JPEG, 8 or 16-bit TIFF)
- Plug-in for Photoshop (any 8 or 16-bit RGB image)
- For further instructions view the ReadMe file included in the download

Home Page - http://www.epaperpress.com/ptlens/