Entertainment / Photography Glossary

Wood Print: Is a print made on a wood surface which has been photochemically prepared.

Working Aperture: Is the widest aperture at which an acceptable image can be achieved.

Working Solution: Is a liquid chemical that has been mixed and diluted for use.

X Ray: Are electromagnetic radiations beyond ultraviolet which, when passed through a solid object and allowed to act upon a sensitive emulsion, form a shadow image of the internal structure of the object.

X Ray Film: Is spectral sheet film for radiography, having a thick emulsion coated on both sides of the support to increase the absorption of x rays.

X Setting (X Sync): Is the setting that causes the flash to burst in synchronization with the shutter. For some manual cameras, the x synch speed refers to the maximum speed that the camera can synchronize with . . . View Full Definition

Xenon: Is a rare gas sometimes used with electronic flash tubes and enclosed arc light sources.

Xerography: Is a photographic process which uses an electrically charged metal plate. On exposure to light the electrical charge is destroyed, leaving a latent image in which shadows are represented by . . . View Full Definition

Xography: 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 shutt . . . View Full Definition

Yellow: Is the color formed by mixing red and green light. Yellow is complimentary to blue, and is one of the three colors used in subtractive color synthesis.

Zirconium Lamp: Is an arc lamp used in powerful enlarges and projectors.

Zoetrope: Is an early device for creating illusion of continuous motion. A sequence of still pictures was viewed so quickly through slits in a rotating drum, that the images appeared to merge.

Zone Focusing: Is a method of focusing the lens so that the depth of field extends over a preselected range of distances.

Zone System: Is the method of determining exposure and development required for individual scenes, invented by ansel adams. It is based on analysis of subject luminosities in terms of ten gray tones, lab . . . View Full Definition

Zoom Lens: Is a lens which is constructed to allow continuously variable focal length within a specific range. The effective aperture and focus settings remain unchanged throughout such adjustments.

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