What Is A Projector Lumen and Why Is It Important?

Posted by Paul Murray on Monday Jul 16, 2012 Under Tips

As you search for an equipment provider for your outdoor movie event, you might be feeling unsure about what types of questions to ask them about their equipment. One important question you might want to ask if about the lumens of their equipment. Simply asking about the lumens will not give you a complete picture of the quality of their equipment, though. You need to ask about the quality of their screens as well. Here are the basics of lumen, and some information about different types of screens, so you can ask the right questions when interviewing potential equipment providers.

Lumen measures the brightness of a projector. Higher lumen equals a brighter image. For outdoor movie events, where the screens are large, it is particularly important for the projector be a high lumen projector, so large, bright picture can be produced. Lumen is important because a bright, clear image is what will give your outdoor movie theater quality. A high lumen projector is not all that is needed for a bright, clear picture; the screen the image is projected onto matters just as much.

The quality of a screen is measured by the amount of light it reflects, or its Gain factor. As a general rule, screens with higher Gain factors produce higher quality images. This is because a transparent, or see-thru, screen will lose up to 50% of the light from the projector. A bright image on a high quality screen is particularly important in an outdoor setting, where light distractions, such as street lights, can affect the image on a low quality screen.

A high lumen projector and a screen with an appropriate Gain factor work together to produce the best quality images. It is important to ask potential equipment providers about both the lumen of the their equipment and the quality of their screens. You will be glad you did your homework when you can offer your guests a theater quality movie experience in an outdoor setting.

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