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A projector bulb is a long lasting, high wattage bulb that is installed inside of a slide or video projector. Projector bulbs allow you to display a larger scale of an image or film on a wall or projector curtain, in full color.
The bulb is generally considered to be the most important part of a projector, because it uses a huge amount of power and the bulbs are precision made. The projector itself has to manage a considerable amount of heat produced by the bulb, as a result of it using so much energy.
Projector bulbs are almost always incandescent light bulbs, for clarity of color and for the extreme brightness that incandescent bulbs produce. Due to their design and price, projector bulbs need special care to make sure that they remain in perfect condition, so when they need to be used, they will not become a fire hazard.
