Frantisek, Is the subject low contrast? It's likely the blue noise is generated by the auto expanding of the contrast range in the scanner driver. Try re-scanning with a software that doesn't alter the original scanned image, like Vuescan, and then adjust the levels yourself. Servus, Alin
Frantisek wrote: F> What's worse is the horrible F> grain or noise I get scanning iso 800 films and adjusting the colour F> temperature to correct for tungsten light. Blue speckled noise all F> over. And sharp :-( It almost seems as the nikon is sharpening the F> blue channel?!?