d-lighting
Olympus Shadow Adjustment Technology
It seems Olympus has jumped into the Apical arena by implementing their version of DRO. Similar to basic DRO or Nikon's D-Lighting, Olympus is on the map now showing their implementation of Apicals technology into the Olympus E-420. Both licensed this technology from Apical a bit ago, and now we are seeing it in the DSLR lineup from Olympus, while Nikon has had D-Lighting for some time now.
Either is near Sony's Advanced DRO+ in the Sony A700, but it looks as though both companies have committed to this technology to a degree.

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