THE PHOTO PAPER
A DIRECT POSITIVE SILVER GELATINE PAPER FOR DIRECT EXPOSURE
As a fuel IMAGO 1:1 uses a special photosensitive direct positive paper paper. Once exposed development takes no more than 10 minutes. During developing and fixing the black and white image gradually emerges. On this type of paper, tonal range stretches from the deepest blacks through the full range of greys to the brightest whites.
Shadow and light are shown to their fullest advantage.Unlike conventional photo papers the direct positive paper does not reqire an intermediate negative in order to generate the final image. Every imagogram is therefore a unique specimen.
When IMAGO 1:1 was invented early in the 70s, the direct positive paper was commonly used as a graphic art photo paper, in particular for reproducing drawings and plans. The introduction of digital printers and plotters swept this type of paper out of the market, with the result that, in the 1980’s, it went out of production. In 2006, Ilford Switzerland saw the rediscovered IMAGO 1:1 and started a new production of the direct positive paper. Subsequently this became a cooperative venture with the UK company, Harman Technology.
Read more: Die Geschichte Papiers (pdf, german)
Technical information at ilfordphoto.com (pdf).