School projectors can cost as little as $30 if you get ones offline from sites such as eBay or Amazon, but you could probably get them more expensive from a genuine store.
NEC's multimedia projectors cost from $310 to about $5,000. They also make cinema projectors which are even more expensive.
Depending on the model and manufacturer, a digital projector can cost anywhere from $299 to over $1500 and beyond. Another source for digital projectors would be used and can be found on ebay or Craigslist.
Projectors can produce a larger image at a much lower cost than a different display technology of the same size (lcd, led, plamsa, etc...)
Average HD projectors are currently comparable in price to most LCD or plasma televisions.
It depends. Some don't cost that much it all really depends on ehat kind of features that are wanted in a overhead projector. They can be hard to find though.
A TV projectory is gonna cost on average around 500 bucks.But if you put a little more money into it you can get a projector that will lst a life time. (:
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Projectors can produce a larger image at a much lower cost than a different display technology of the same size (lcd, led, plamsa, etc...)
very much
it cost about 50000