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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
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Photography; Professional photography
Layer applied to a photographic support as a foundation for the emulsion.
Cadmium sulphide cell (CdS)
Photography; Professional photography
Photo-sensitive cell used in exposure meters. Fed by an electric current from a battery, its electrical resistance varies according to the amount of light it receives.
Schumann plate
Photography; Professional photography
Plate coated with an emulsion with so little gelatin content that the silver halide grains protrude above its surface. Used for photography in the ultraviolet region.
Compound shutter
Photography; Professional photography
Shutter consisting of a number of metal leaves arranged symmetrically around the edge of the lens barrel.
Patch chart
Photography; Professional photography
Squared pattern test strip often made when colour printing by the additive method.
Substantive film
Photography; Professional photography
Colour film in which the colour couplers are contained within the emulsion.
Halftone
Photography; Professional photography
Mechanical process for printing continuous tone images in ink.
