ORWO Duplicating Negative Film DN 21

Product description:

ORWO duplicating negative film DN 21 serves as a film for the production of black & white intermediate negatives. Due to its panchromatic sensitisation this film can be used for duplicating from b& w master positives as well as from colour master positives producing well-balanced grey values referring to original colours.
There is a special AHU-layer (Anti Halation Under layer) between the emulsion layer and the base.. This AHU-layer guarantees an outstanding anti halation.
The excellent photographic and physical properties enable the production of extraordinary black & white prints.
In regarding to its polyester base the film is an ideal medium for long term storage

Download PDF: Technical Information DN 21