Scanners

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1. What is a Scanner?
2. How do Scanners and Moving Heads differ?
3. Where are Scanners used?

What is a Scanner?

A scanner in stage lighting is an effect light device that produces a moving light beam. Unlike moving heads, where the entire fixture moves, a scanner uses a motorized mirror to direct the light beam in various directions while the main body remains stationary.

The scanner consists of a light source that projects a beam through different color and gobo wheels (for patterns and effects). This beam then reflects off a small, motorized mirror. By adjusting the position of this mirror, the scanner can quickly and precisely move the light beam across a large area.

Scanners are highly valued for their fast movements and their ability to create dynamic, engaging light shows. They are particularly popular in nightclubs, concerts, and other events where an energetic and vibrant atmosphere is desired.

How do Scanners and Moving Heads differ?

Scanners and moving heads differ in their functionality and movement capabilities. The primary difference lies in how they control the light beam.

A scanner has a fixed body, with the light beam directed using a motorized mirror. This mirror moves rapidly, allowing the beam to be positioned quickly and accurately. Scanners are known for their speed, making them perfect for dynamic lighting effects.

In contrast, a moving head moves its entire head to direct the beam. This movement is usually slower than a scanner but provides greater flexibility and more diverse lighting options. Moving heads can project patterns (gobos), colors, and textures across a wider range of motion.

Where are Scanners used?

Scanners are a popular choice for concert organizers, nightclubs, and theater productions looking to create impressive, responsive, and high-energy light shows. Their rapid movement makes them ideal for fast-paced, energetic environments where dynamic lighting effects are essential.

Scanners can be used to create patterns, color transitions, and rhythmic light sequences that enhance music or stage performances. Their effectiveness lies in their ability to generate visual dynamism, significantly enriching the atmosphere of an event.