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Direct Positive (DP) Printing Paper
I use 5x7 Harman Direct Positive printing paper with the stereo pinhole camera.
Direct Positive means the paper gets lighter with increased exposure, and dark in shadow.
This allows an in-camera print to be made, no negative is required.
This paper can processed with normal black and white printing paper chemistry.
The equivalent speed of this paper is approximately ASA/ISO 3
Harman DP Paper_02.jpg
I load the paper in a standard 5x7 film holder (2 sheets, 1 sheet on each side).
This operation must be done under a safelight.
The paper is orthochromatic, so a standard safelight or red LED will work.
â—„CAMERA   TOPâ–²   PREFLASHINGâ–º
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