Projectors can produce a larger image at a much lower cost than a different display technology of the same size (lcd, led, plamsa, etc...)
There are a few different advantages to using a digital projector over a large screen television. Some of the advantages are better color, better picture, and sharper images. However, digital projectors are more expensive than large screen televisions.
LCDs will take much longer to burn out and usualy are compatible with DVD presentations.
Posters are large visual aids. People will look at posters when they go to a movie, stand in line at a restaurant, wait on a concert to start. There are many advantages of advertising with posters.
Dirty Projectors was created in 2002.
Infocus projectors are made for the office, home, classroom, and for all presentation needs. Infocus projectors can also be useful in churches and the courtroom. The projectors are for presentation purposes.
LCD projectors are by far the best
Most projectors have the means to be a rear and front projection system. The only projectors that are unable to do this are the cheaper projectors you find at Office Depot used for powerpoint shows.
NEC's multimedia projectors cost from $310 to about $5,000. They also make cinema projectors which are even more expensive.
Projectors can produce a larger image at a much lower cost than a different display technology of the same size (lcd, led, plamsa, etc...)
I haven't seen a retro school projectors on the market today but, If you really like the old school projectors you can get some restored projectors for a good price. anonymous@oola.com
Staples offers several styles and brands of LCD projectors online. They also carry DLP projectors which is a newer technology.
LCD projectors and DLP projectors