> WETTING AGENTS: Whether you're using a glass or Plexiglas dome, a wetting agent like Rain-X will facilitate the sheeting action of water and minimize unwanted water drops.
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Wetting agents are a high-purity detergent, which acts to make water sheet off of film, rather than bead up. The most important thing about wash agents is getting the dilution correct.
Wetting agents: Chemical used in the final rinse water to promote even drying of film.
Wide-angle lens: Lens with a focal length shorter than the diagonal of the film format.
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Wetting agents are chemicals which, when used in minute quantities, reduce the surface tension of water. They are usually added to the final wash of films and plates to improve draining.
White Light see White Light Spectrum.
Wetting agents are chemicals that "superwet" the film to promote faster and more even drying. Wetting agents are chemically different from soaps, but they perform a related function.
surfactant
a material used in small amount to modify the surface properties of liquids or solids. (Detergents, wetting agents, emulsifying agents, dispersion agents, and foam inhibitors are all surfactant).
 See also: Wetting agent, Light, Image, Subject, Format
  
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