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

G curve

Photography; Professional photography

Average gradient of a characteristic curve, describing similar characteristics to gamma, but measuring the slope from a line joining the lower and upper limits of the curve actually used in practice.

Opal lamp

Photography; Professional photography

Is a filament lamp with an opal glass bulb for optimum diffusion.

Usually used in reference to the visible part of the electro-magnetic spectrum, i.e. the colour bands produced by diffraction, and arranged according to wavelength, when white light is passed through ...

Collodion process

Photography; Professional photography

Also known as "wet collodion" was invented by Frederick Scott Archer in 1851-52. It was a great improvement over the earlier calotype process because because of the large increase in speed gained by ...