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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

Complementary colour

Photography; Professional photography

Colour of light which, when combined with another specified colour in the correct proportions, will form grey or white.

Half-plate

Photography; Professional photography

Picture format measuring 4 ¾ x 6 ½ inches. Some early cameras produced negatives of this size.

Parabolic mirror

Photography; Professional photography

Silvered glass or metal reflector with a parabolic axial cross-section, used to produce near parallel rays from a light source positioned at its geometrical focus.

Compensating developer

Photography; Professional photography

Developer designed to compress the general contrast range in a negative without influencing gradation in the shadow and highlight areas.

Half-frame

Photography; Professional photography

Negative format of 18 x 24mm. Images are recorded on a vertical axis on standard 35mm film, thus giving 72 half-frame images on film designed for 36 exposures.

Paper grade

Photography; Professional photography

Numerical and terminological description of paper contrast: numbers 0 - 1 soft; number 2 normal; number 3 hard; number 4 - 5 very hard; number 6 ultra hard. Similar grade number from different ...

Meniscus lens

Photography; Professional photography

Is a simple lens consisting of a single piece off glass, thicker at the centre than at the edges. It has one concave and one convex face.

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