Compared to...

Studio scene comparison (RAW)

This is our standard studio scene comparison shot taken from exactly the same tripod position. Lighting: daylight simulation, >98% CRI. Crops are 100%. Ambient temperature was approximately 22°C (~72°F). Camera settings as per previous pages.

Sigma DP2 (RAW) vs. Ricoh GR Digital III (RAW)

Sigma DP2
1.7 MB JPEG (2640 x 1760)
3.4 MB JPEG (3648 x 2736)

Moving across to RAW and processing with Adobe Camera Raw doesn't do the GRD III any additional favors - the level of detail is still significantly below that produced by the Sigma.