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

Characteristic curve

Photography; Professional photography

Performance graph showing the relationship between exposure and density under known developing conditions. It can provide immediate comparative information on factors such as emulsion speed, fog ...

Diffusion enlarger

Photography; Professional photography

Enlarger that scatters light before it strikes the negative, distributing light evenly on the negative. Detail is not as sharp as with a condenser enlarger.

Latensification

Photography; Professional photography

Method of increasing relative film speed by fogging after exposure and before development. It can be achieved by chemical or light means.

Principal axis

Photography; Professional photography

Imaginary line which passes through the centre of curvature of all the lens elements.

Light tent

Photography; Professional photography

Tent like structure made of translucent material hung around a frame. The fabric diffuses the light coming from outside the tent so that highly reflective subjects placed inside the tent can be ...

Lens system composed of two matching doublet lenses, symmetrically placed around the focal aperture. It was introduced by Dallmeyer and Sternheil and removed many of the aberrations present in more ...