Jeffrey, what is the method you use to output the negatives? Inkjet? Lightjet? or Imagesetter? Mark Nelson In a message dated 7/4/00 1:08:45 PM, jeffrey.d.mathias@worldnet.att.net writes: << The method I am using is to print the three negatives at one time with one exposure as a sandwich. The densities of each negative simply add together to form a new density value. >>