printing paper used only for contact printing. It is usually coated with a silver chloride emulsion of very slow speed.

is a light used to create a three dimensional effect achieved through the perception of form and depth.

processing chemicals which may be stored in a concentrated state and diluted just before use.

is a system of photography which produces prints and transparencies with a three-dimensional effect. A cylindrically embossed lenticular screen is placed in contact with the film and a shutter behind [..]

ring located on the outside of the lens usually behind the focusing ring, which is linked mechanically to the diaphragm to control the size of the aperture.

describes a negative or an area of a negative in which a large amount of silver has been deposited.

unit used to express the power of a lens. It is the reciprocal of the focal length expressed in meters.

arithmetical system of rating film speed used in Soviet bloc countries.

mirror image reversal of the subject from left to right, as found in the viewfinders of some reflex cameras.

are any colors which, by association, suggest warmth, such as red, orange and yellow.