Acquiring Images
Zoner Photo Studio supports all digital cameras, including special connection types supported by Canon.Supported also are scanners and other TWAIN devices, too. You can also use ZPS to acquire photos from websites, via screen capture, or the Windows Clipboard.

Zoner Photo Studio supports all of the professional RAW formats, including DNG and CRW and CR2 from Canon.

Photo Editing and Enhancement Tools
Zoner Photo Studio has everything you need for enhancing photos and removing image defects:

exposure level settings including editing curves and levels, colors, sharpness, and histogram levels
shadow brightening
red-eye reduction, noise, and chromatic defect correction
barrel/pincushion correction