Digital BW, The Print

Paul D. DeRocco asked

> Does anyone know if Kodak gray cards really have a flat spectral response?
> It seems to me that they were originally designed for taking light meter
> readings from, not for setting the white balance in a digital camera. Has
> anyone taken a full spectro reading from one in sunlight, say with an
> Eye-One Pro? I have an Eye-One, but don't have a Kodak gray card.

Take a look here, Paul: The Kodak card seems to have a flattish (but not the
flattest) spectral response.

http://www.pictureflow.com/products/whibal/WhiBalCharts.html

Peter Marquis-Kyle