Digital BW, The Print

Martin,

I seem to remember that Bruce Fraser and David Tobie both recommend stacking
multiple copies of the same paper under the target.

bob Frost.

----- Original Message -----
From: "Martin Wesley" <mwesley250@...>


> In reading reflective density of inkjet prints there is the issue that the
paper is not completely opaque. You can see light though even the heaviest
papers we are using. So when measuring image density the print being
measured needs to be backed up with an opaque material. My question is
should this be white, as in stacking up several pieces of paper under the
print or should it be black? My inclination is to use black so that no light
that passes through the paper gets bounced back, since this would logically
seem to falsely increase the reflectance and lower the density reading. The
calibration plaques are enameled metal so I assume the instrument expects to
see a 100% opaque reflective target.