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Glossary for Lighting Terms
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Z

Zoom
An abridged version of Zoom Focus. Some ellipsoidal spotlights & many follow spots have a zoom focus system.

Zoom Focus
A term used to describe an optical system whereby the lenses in a luminaire adjust such that a beam pattern with a hard edge can be attained at various sizes at various distances without sacrificing beam lumens.

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