Monday, June 2, 2008

Choosing a classroom projector ...

If you are choosing a projector for your classroom, or making recommendations at your school site for this purchase, here is an article by Jeffrey Branzburg at Technology & Learning magazine that gives you information on specifications to look at.
There are a variety of factors to consider when finding the perfect projector. Pick your priorities:

A projector connected to your computer gives you the ability to share your screen with a classroom. You can display Web sites, show students' computerized presentations, provide large-group modeling of skills and techniques, brainstorm concept maps, play a video, or mark up the screen and save your notes.
Here are features to consider when choosing a projector, whether it's a liquid crystal display or digital light processing model.


A projector's brightness is measured in lumens. The least expensive projectors are usually the lowest in lumens (fewer than 1,000) and are designed for small rooms with the lights lowered. In general, more than 3,000 lumens are needed for auditoriums and other similarly large rooms, under normal light conditions... (article continues...)
Read the complete article at Technology & Learning Digital Edition with additional information on other factors such as resolution, size and weight, lamp life, zooming and keystoning.

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