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

Zoom lens

Photography; Professional photography

Is a lens which is constructed to allow continuously variable focal length within a specific range. The effective aperture and focus settings remain unchanged throughout such adjustments.

Colour negative

Photography; Professional photography

Film designed to produce colour image with both tones and colours reversed for subsequent printing to a positive image, usually on paper.

Abbe number

Photography; Professional photography

Denotes the degree of refraction of light of different wavelengths to different extents, given by a transparent material, such as glass. The lower the Abbe number, the greater the dispersion of ...

Colour reversal

Photography; Professional photography

Film designed to produce a normal colour positive image on the film exposed in the camera for subsequent viewing by transmitted light.

Clumps of silver-halide grains in film and paper that constitute the image. These grains are produced both in the exposure process (film grain) and in the development process (paper grain). Unlike ...