You'll want to be mindful of the lamps in overhead projectors. The right lamp type could significantly lower the total cost of ownership, so asking the right questions as to how long certain lamps last and how much replacement lamps cost is crucial. You'll also want to consider what kinds of lenses different overhead projectors have. And, of course, you'll also need to consider brightness. To do this effectively you'll need to factor in the size of the room and whether or not there are windows.

Overhead projectors come with many different features. Whether or not you need one with all the latest innovations will really depend on what you're going to be using it for and where you're going to be using it. If you're looking for a cost-effective projector, you can't go wrong with an overhead projector.

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