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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.

Contributors in Professional photography

Professional photography

White light spectrum

Photography; Professional photography

Is the electromagnetic wavelengths between 400-700 nanometers. Also referred to as the visible spectrum.

Bitumen

Photography; Professional photography

Hydro-carbon which hardens by the action of light. It was used by Joseph Nicephore Niepce to produce the worlds first photograph in the early 19th century.

Effective aperture

Photography; Professional photography

Diameter of the bundle of light rays striking the first lens element that actually pass through the lens at any given diaphragm setting.

Line film

Photography; Professional photography

High contrast film which, after correct development, gives negatives of black and white only (with no grays).

One shot colour camera

Photography; Professional photography

Is an obsolete plate camera making three colour separation negatives from a single exposure.

Solarization

Photography; Professional photography

Reversal or partial reversal of tones in a photographic image caused by vast amounts of over-exposure. It is often inaccurately used to describe the partial reversal effect caused by fogging ...

Bleaching

Photography; Professional photography

Stage in most toning, reducing and colour processing systems.

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