Friday, October 29, 2010

Processing Black And White Photos

1. Hanging Clips, Squeegee, Goggles Thermometer, Tongs, Trays, Paper, Safelight, Liquid Measurement tools, Film processing tank, Clock/Timer and Devices

2. Developer, Stop Bath, Fixer, Wetting Agent

3.  Process:
  • Prepare Equipment:
  • Turn the light off.
  • Load film onto reel and assemble tank.
  • Turn the light back on.
  • Prepare chemicals.
  • Pour in developer, start timer and agitate for 30 seconds.
  • Check temperature and calculate development time.
  • Agitate 2 or 3 times every 30 seconds until end of development.
  • Pour out developer and run tank under water for 30 seconds.
  • Pour in fixer and agitate for 30 seconds.
  • Check film is fixed after 3 minutes (clear=OK, milky=more fixing needed)
  • Pour fixer back into bottle when fixing is complete.
  • Wash film for 15 minutes, emptying tank every 5 minutes.
  • Dip film into wetting agent for 30 seconds and hang to dry.
  • Cut up and sleeve film for printing. 
Define: 
  1. Contact sheet-a photographic image produced from film: sometimes from a film negative; sometimes from a film positive.
  2. Agitation-
  3. Enlarger- a specialized transparency projector used to produce photographic prints from film or glass negatives using the gelatin-silver process, or transparencies.
  4. Developer- a chemical, often a mixture of metol and hydroquinone, which converts the latent silver halide image in the exposed photograph material into reduced, opaque, black silver metal
  5. ·  Stop Bath- a chemical bath usually used in processing traditional black-and-white photographic films, plates, and paper used after the material has finished developing.
  6. ·  Fixer -a chemical that removes unexposed silver salts from photographic media and renders them insensitive to light.

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