20 Terms
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Professional photography
Professional photography is the occupation of taking pictures and selling them freelance or as part of a contract usually with a publication.
Industry: Photography
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Professional photography
Axis lighting
Photography; Professional photography
Light pointed at the subject from a position close to the lens.
Diffuser
Photography; Professional photography
Any material that can scatter or diffuse light. The effect is to soften the character of light. The closer a diffuser is to a light source the less it scatters light.
Pre-soak
Photography; Professional photography
Preparatory water bath for film or paper prior to processing that prevents uneven development. It is essential in some colour processes.
Vacuum back
Photography; Professional photography
Is a camera back with a perforated plate through which air is drawn by a pump. A sheet of film is therefore sucked flat against the plate and held firmly during exposure. Used for special large ...
Azo dyes
Photography; Professional photography
Compounds forming colours of great strength and purity. Used in camera philtres and integral tripack dye-bleach materials.
Preservative
Photography; Professional photography
Chemical, commonly sodium sulfite, used in developing solutions to prevent rapid oxidation of the reducing agents in use.
Available light
Photography; Professional photography
Term applying to light normally occurring in a scene, not supplemented by illumination intended specifically for photography.
