Professional photography

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

Dichroic

Photography; Professional photography

Displaying two colours - one by transmitted and one by reflected light.

Diaphragm shutter

Photography; Professional photography

Between the lens camera shutter that performs the function of the iris diaphragm.

Keyed emulsion sensitivity

Photography; Professional photography

Term used to describe the colour response of colour printing papers which have peak sensitivities to the three dye colours present in the same manufacturers colour negatives.

Potassium hydroxide

Photography; Professional photography

Caustic potash. Highly active alkali, used as the basis for high contrast developing solutions.

Two-bath development

Photography; Professional photography

Development of negatives in two stages. Developer without alkali is followed by an alkali bath, which activates development.

Ultraviolet (UV)

Photography; Professional photography

Part of the electromagnetic spectrum from about 400nm down to 1nm. It is invisible to the human eye, but most photographic materials are sensitive to near UV bands down to 250nm. It records as ...

Automatic aperture

Photography; Professional photography

Lens aperture mechanism that stops down to s preset size just as the shutter is fired, afterwards returning to the maximum aperture again for focusing and composing the next image.