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Compared to...

Studio scene comparison (JPEG)

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).

Sigma DP2 vs. Ricoh GR Digital III

Camera settings:

  • Sigma DP2: Aperture Priority, ISO 100, JPEG Hi/Fine, Manual WB
    Default Parameters, Landscape mode, Self-Timer

  • Ricoh GR Digital III: Aperture Priority, ISO 64, JPEG F3648, Manual WB
    Default Parameters, Self-Timer
Sigma DP2
Ricoh GRD III
2.6 MB JPEG (2640 x 1760)
3.4 MB JPEG (3648 x 2736)

Having compared the Sigma to a camera with a similarly-sized sensor, we here compare it to a similarly-priced, similarly targeted camera with a smaller sensor. The GRD III may have a wider lens (28mm equivalent, rather than the DP2's 40mm equivalent), but the compact body, fixed focal length design suggests a similar target market (if different individuals). And the difference in sensor size is immediately apparent, even at these low ISO settings.

Although, as we saw with the E-P1, the level of detail would look more similar if down-scaled but the GRD III simply isn't capturing as much detail as the DP2 in the first place - the fine text on the globe or the horizontal stripes on the medals on the third crop are clearly visible on the DP2 and no amount of down-sizing is going to bring it back on the GRD III.

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