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

Image plane

Photography; Professional photography

Plane commonly at right angles to the optical axis at which a sharp image of the subject is formed. The nearer the subject is to the camera, the greater the lens image plane distance.

Photo-resistor

Photography; Professional photography

Photoelectric cell which varies in its electrical resistance according to the light received.

Anastigmat

Photography; Professional photography

Compound lens which has been corrected for the lens aberration "astigmatism".

Ammonium thiosulfate

Photography; Professional photography

Highly active fixing agent used in rapid fixing solutions which works by converting unused silver halides to soluble complexes.

Correction philtre

Photography; Professional photography

Philtre which alters the colour rendition of a scene to suit the colour response of the eye.

Ideal format

Photography; Professional photography

Film format in the proportion of 4 to 3, e.g. 6 x 4.5cm. This ratio is considered the ideal shape by some manufacturers and many photographers for both vertical and horizontal composition.

Photometer

Photography; Professional photography

Instrument for measuring light being reflected from a surface. It works by comparing the reflected light with a standard source produced within the photometer.