Sigma DP3 Merrill

The Sigma DP3 Merrill is a high-end compact digital camera made by Sigma Corporation. It features a 46-megapixel Foveon X3 sensor (4704 × 3136 × 3 layers) and a 50mm f/2.8 fixed lens (75mm in 35mm equivalent focal length).
Software.
Sigma Photo Pro.
Post-processing of RAW X3F and JPEG of all digital SIGMA cameras
Version 6.x is free Download for Windows 7+ und Mac OS ab Version 10.7 (6.3.x). Actual Versions are 6.5.4 (Win 7+) and 6.5.5 (MacOSX 10.9+).