I need to make negatives from some old Kodachromes. Since there is a
contrast build-up in copying I need a color negative film with low inherent
contrast.
In the somewhat distant past I had a Bessler (I think that was the brand)
copier with dichronic filters for the light source. For making color
transparencies Kodak had/has a low contract reversal film available in
bulk. Calibration was a long task with McBeeth (?) calibration slides and
many test runs for color balance and the right amount of contrast reducing
light fed back through a fiber optic.
This time around I'll use a simple slide copy tube with color negative, and
ye olde sun. The lab can fiddle with the rest.
George
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