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

film characteristic curve

Photography; Professional photography

describes a graphical relationship between the logarithm of the exposure value (horizontal axis) and density (vertical axis) of film. Each brand of film exhibits a different characteristic curve.

microphotograph

Photography; Professional photography

is a photograph produced to a very small size which can be viewed with a microfilm reader.

selenium

Photography; Professional photography

light-sensitive substance which, when used in a barrier-layer construction, generates electrical current when exposed to light. Used in exposure meters.

additive printing

Photography; Professional photography

color printing method which produces an image by giving three separate exposures, each filtered to one of the three primary color wavelengths, blue, green and red.

cones

Photography; Professional photography

sensory organs on the retina of the eye, allowing color vision.

heliography

Photography; Professional photography

early photographic process invented by Niepce, employing a polished pewter plate coated with bitumen of Judea.

candle meter

Photography; Professional photography

also known as a lux and defined as the illumination measured on a surface at a distance of one meter from a light source of one international candle power.