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

Press focus lever

Photography; Professional photography

Lever found on the between-lens shutter of many large format cameras. It allows the shutter blades to be held open for lens focusing no matter what shutter speed has been set.

Diffraction

Photography; Professional photography

Light rays scattered and change direction when they are passed through a small hole or close to an opaque surface.

Lamp

Photography; Professional photography

General term used to describe the various kinds of artificial light sources used in photography.

Prehardener

Photography; Professional photography

Chemical solution used to harden the gelatin of an emulsion prior to processing.

Uprating

Photography; Professional photography

No longer used term to define the process of increasing the manufacturers film speed by the use of: hypersensitizing; using specially prepared proprietary developers; or by a two stage process.