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[Paul D. DeRocco:] > >I don't know how the 2000 or 4000 work, but the 8000 does indeed have three > >CCDs. Superfine mode only uses one of them, and so takes three times as > >long. Nikon touts this as a way of reducing banding, which suggests to me > >that they're using three RGB CCDs merely for speed, rather than one R, one G > >and one B. Miscalibration in the latter case would merely result in a slight > >but constant color shift, not banding. [Kennedy McEwen:] > Miscalibration would result in banding in either case. Miscalibration could cause irregular streaking in a direction perpendicular to the sensor array. It could not cause periodic banding in a direction parallel to the sensor array -- not by any mechanism that I can fathom. If I'm wrong, please explain. rafe b. - Turn off HTML mail features. Keep quoted material short. Use accurate subject lines. http://www.leben.com/lists for list instructions.