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 PHOTOGRAPHY 01 / 10 / 01
 

Big Shot - Chemical classic

While the use of computers has provided a revolution in image manipulation, 19th-century photographic techniques using chemicals and long-forgotten printing skills can provide fascinating results as Paul Webster demonstrates



Photo by:
Paul Webster

Equipment Used:
Canon EOS50 and 14mm Sigma lens in Subal housing, Ilford Delta 3200 film rated at ISO1600, shutter priority set at 1/30th.



While the use of computers has provided a revolution in image manipulation, 19th-century photographic techniques using chemicals and long-forgotten printing skills can provide fascinating results. Colin Doeg talks to Paul Webster, a modern-day exponent of some of these vintage methods

An interesting and exciting wave of creativity and experimentation is sweeping over underwater photography. For some years photographers have been producing very similar images - but now a number are experimenting with new ideas. One of those busy doing something different is 39-year-old Paul Webster, a software engineer who lives at Cheadle Hulme, in Cheshire. His approach is an alternative to computer manipulation. He explains: 'I have revived two 19th-century techniques that date back to the beginnings of photography as we know it today. Both of these techniques involve hours of darkroom work but the results are exciting because every print is unique.

The Cyanotype process produces prints which are blue, those from the Van Dyke process come out brown. 'Each involves mixing special chemicals and then painting the mixture onto a surface of your choice. This is the photographic emulsion. I paint it onto handmade, deckle-edged paper of the type which is used by people painting in water colours. 'However, you first have to have a negative which is the same size as the finished image. I start with a 35mm negative, taking all these pictures in natural light with fast black-and-white films such as Ilford Delta 3200, Fuji's Neopan 1600 or Kodak's ISO 1600 emulsion. At times I uprate the film to ISO 6400 and generally overdevelop it in Ilford DDX, which is a convenient one-shot liquid developer. Fifty per cent overdevelopment seems to work best for me. 'I then make a 10in x 8in print, burning in and dodging as necessary and copy this onto 10in x 8in film to produce a second, larger negative. This is the one used for the final image.

'Once you are ready to make either the Cyanotype or Van Dyke print, you paint the emulsion onto the paper. You can do this in subdued light, as the emulsion is so slow. When it is thoroughly dry, place the big negative on the paper, put both into a contact printing frame, or merely lay a sheet of glass over them and expose the sandwich to light. I began using sunlight but now I have a tanning lamp, which gives greater control over the quality of light and the timing of the exposure - about an hour for the blue prints and around 20 minutes for the brown ones.'

Paul prefers to use a very wide-angle lens - in his case, a 14mm Sigma - to take the original shots. 'It gives me more options for composition. I like it for photographing divers and wrecks as well as large animals such as seals and dolphins. 'Recently I went to South Africa, diving in the Cape Town area and then moving along the coast. I had decided to devote the majority of the trip to shooting black-and-white film. It was nerve-racking because I didn't know if any of the experiments would work. Just to be safe, I also shot a few rolls of colour film so I had some pictures to show my friends in Stockport Underwater Diving Group.' The image featured here is a striking interpretation of an original black-and-white shot of a honeycomb stingray (Himantura uarnak). It was taken at 32m on Aliwal Shoal, near Durban in South Africa, and then converted into a Cyanotype print. Paul has been diving for 14 years. In that time he and his partner, Bethan Roberts, have dived extensively in UK waters and the tropics, including Israel, Jordan, Egypt, Thailand, Kenya, South Africa, Cuba, the Cayman Islands, the Bahamas, and Baja California and Florida in the US. He is a BSAC advanced and extended range diver as well as being a club instructor and an IANTD advanced nitrox diver.

He started taking pictures underwater around seven years ago with a Sea & Sea MotorMarine II and twin YS50 strobes, but only became really serious when he upgraded to a Canon EOS50 in a Subal housing with Sea & Sea YS120 and YS30 flashguns. He is not entirely new to photography, however, because he is also interested in landscape photography, mostly in black and white, and that feeds back into his underwater work. While he is beginning to concentrate on wide-angle, black-and-white images, he also shoots in colour and does macro photography with his Canon 50mm macro lens.


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