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

Canada balsam

Photography; Professional photography

Liquid resin with a refractive index similar to glass. It is used for bonding elements in compound lenses.

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.

Dyad

Photography; Professional photography

Pair of complementary colours or any two colours considered visually harmonious.

Lighting ratio

Photography; Professional photography

Ratio of the brightness of light falling on the subject from the main (key) light and other (fill) lights. A ratio of about 3:1 is normal for colour photography.

Radiography

Photography; Professional photography

Technique of using X-rays, gamma rays and charged particles to form shadow images on photographic materials. Used in medical and industrial research because of its ability to penetrate opaque ...