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Zone Focusing - Technique for focusing a lens so that the field depth extends over a predetermined scope of distances making an entire area, or zone, in focus rather than one specific subject. . Used . . Used . ...

Platforms - Some stages are made up of many smaller table like platforms so they can be easily transported or stored. These platforms are generally used in the forming of large stages, are fastened together, com. Used . e in different hights and widths and have different materials for their surface, like woods and canvases. . Used . ...

Hazer - A Smoke Machine or Fogger is an electrical device that creates clouds of artificual and hopefully non-toxic fog. The fog may come in different colors or smells and may be water or mineral based. It i. Used . s used for effects in theatre, staging, concerts and clubs.

A Hazer by contrast create a more diffusive, expansive haze that is usually not a thick and is used to enhance other e. Used . ffects, such as lighting and light beams.

Discharge Lamp - A high powered light source produced by an arcing electrical discharge between two electrodes suspended in a glass tube filled with gas, usually high or low pressure sodium gas, xenon, mercury vapor, . Used . or metal halide. This type of illumination is limited to applications such as followspots and projection, where dimming is accomplished by mechanical instruments. Many newer generation mov. Used . ing lights use discharge lamps, dichroic filters and mechanical dimming shutters....

Zoetrope - Early device for creating the illusion of continuous motion. A sequence of still pictures was viewed rapidly through slits in a rotating drum so that the images appeared to merge. . Used . . Used . ...