About four months have passed since I made a few RAW files available for download. Since then my skills with the SD1, the firmware and Sigma Photo Pro have improved. Therefore I thought it was time to provide some new RAW files for you to play with.


Just one day before the Japanese camera & photo imaging show CP+ 2011, Sigma corporation announced an impressive list of four new and interesting lenses. Most notable is the inclusion of both OS (optical stabilization) and HSM on three of them. Sigma’s own proprietary OS (Optical Stabilizer) system offers the use of shutter speeds approximately…