If you need to do a presentation but do not have a suitable projector, then you might be interested to learn about the projectors that are being used in Berlin primarily for this purpose. Because of the expensive technology involved in brightness levels for presentations, you cannot normally expect to spend less than 2,000 dollars. However, if you spend less than that, you may find yourself with a projector that needs a room that is completely dark for use. For these brightness terms, you should look at ANSI Lumens, which is a “physical unit of the light beam,” and according to Peter Knaak, the most important part of the projector is the lighting power. Also, noise level can be a disruption for a projector, this is due to the fan levels, and it consumers should test out the projector before a purchase to hear these levels. But in summary, there are many aspects of presentation projectors that you should take into account, but most the most important of them being brightness.

[via The Earth Times]

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