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

Hydroquinone

Photography; Professional photography

Reducing agent. It is used in developers to provide high contrast results in the presence of a strong alkali.

Tempering bath

Photography; Professional photography

Large tank or deep tray filled with water maintained at the correct temperature for processing. Used to house tanks, drums or trays as well as containers of processing solutions.

Cathode ray tube

Photography; Professional photography

Evacuated bulb of glass containing pairs of plates between which electrodes pass.

Flash bulb

Photography; Professional photography

Replaceable bulb for use in expendable flash units. A glass bulb contains a pyrotechnic wire or paste which burns out in a brilliant flash when a low voltage firing current is applied.

Etching technique allowing control of tonal areas to produce almost unlimited gradations from pale grey to black. Because of this it has also been used in photography as an alternative term for gum ...

Internegative

Photography; Professional photography

Negative made on special colour film designed for making copy prints from colour slides.

Polarising philtre

Photography; Professional photography

Colourless grey philtre made from stressed glass. polarising philtres are used over light sources or camera lenses to reduce or remove specular reflection from certain types of surfaces.