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

Mode

Photography; Professional photography

Is the prime operating function of SLR cameras, e.g. manual mode, aperture priority mode, shutter priority mode, etc.

Photo-electric cell

Photography; Professional photography

Light sensitive cell. Two types are used in exposure meters. A selenium cell generates electricity in proportion to the amount of light falling upon its surface. A cadmium sulphide cell offers a ...

Yime (T)

Photography; Professional photography

Shutter speed setting used for timed exposures longer than the numbered settings. The shutter opens when the release is pressed and closes when it is pressed again. Now largely super ceded by B ...

Fisheye lens

Photography; Professional photography

Extreme wide-angle lens with an angle of view exceeding 100° and sometimes in excess of 180°. Depth of field is practically infinite and focusing is not required.

Contrast values

Photography; Professional photography

Perceived difference between the light areas (highlights) and the dark areas (shadows) of a scene. The range of contrast levels between the highlights and the shadows is called Contrast Values.

Hot spot

Photography; Professional photography

Often undesirable concentration of the central beam of a flood or spotlight on the subject.

Photo-etching

Photography; Professional photography

Technique of contact printing an image on lith film on a presensitized zinc plate which is then processed and chemically etched to give a relief image.