3. Frequently used terms
Term
LED-Projector
LED
Gobo
Projection lens
Focal distance
eOX Spot 20/40 | Information for Use
Definition of terms
Definition
An optical device that uses an internal light source (LED) to display a two-dimensional
template (gobo) on an image surface.
Light Emitting Diode
Semiconductor component that emits light.
Projection motif:
a glass template used to display logos, patterns, texts or images with a projector.
A projector's most important component. One or more optical lenses concentrate the
light, making it possible to project an image onto a surface.
This is a measure of how strongly the lens concentrates beams of light.
Short focal length: wide light beam.
Long focal length: narrow, concentrated light beam.
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