St. Basil's Cathedral (including sprockets)

            In 1974, while still at school, I experimented with various techniques to produce “abstract” photographs. This example was created using Agfacontour, a technical film made to create equidensities. It has both negative and positive components, which, according to the exposure given produce black and white images of a given density. For example three separations could be made for each of the light, dark and intermediate tones.
This was a time consuming business, and the film was discontinued once it became possible to make separations digitally.
Having made the separations, I went on to add colour, giving each layer a different hue. I did this in two ways, first by making black and white negatives on lith film, and using the Tetenal toning chemicals to replace the black silver image with a dye layer. Later I used 24 x 36mm images together with a slide duplicator and added different coloured light for each layer. This was done by keeping the shutter open and working in the dark.
This particular image is a recent reworking using fresh scans.
   

Taken on: May 16, 2025

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Sigma Mk1

AgfaContour

abstract

photography

equidensity

experimental photography

alternative processes

I shoot film « less

Sets appears in: • Agfacontour • Architecture

Groups appears in: • 35mm *FILM* Photographers • architecture porn more » • Experimentation • I know where you are • in explore • WONDERS OF PHOTOGRAPHY IN GENERAL NO IA NO SECON LIVE.MARAVILLAS « less

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