What accessory is used with ellipsoidal lights to reduce the diameter of the beam?

Prepare for the Pima JTED Stagecraft Test with insightful flashcards and detailed multiple choice questions. Each query is designed with strategic hints and explanations to enhance your readiness and boost confidence for your exam!

The accessory used with ellipsoidal lights to reduce the diameter of the beam is an iris. An iris is a device that consists of adjustable blades that can be opened or closed to create a wider or narrower beam of light. By manipulating the blades, stage technicians can achieve precise control over the beam’s size, which is essential for focusing light onto specific areas of the stage or set.

In stage lighting, having the ability to reduce the beam size can enhance the visual impact of a performance by drawing attention to key elements and creating specific effects. This level of control is particularly beneficial in theatrical settings where lighting design plays a crucial role in storytelling and atmosphere.

In contrast, lenses generally offer the ability to focus or soften the light but do not primarily reduce the diameter of the beam in the same precise way that an iris does. Filters are used to change the color of the light without affecting its diameter, and diffusers soften the light and spread it out, also not aimed at reducing beam size specifically.

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