They can cost anywhere from $99 to $20,000+. The low end ones have low resolution and are cheaply built, while the high-end ones give better picture quality and are built with presicion.
NEC's multimedia projectors cost from $310 to about $5,000. They also make cinema projectors which are even more expensive.
At nextag they have discounted infocus multimedia projectors. If you go to the Infocus store they also have many different Infocus multimedia projectors that you can choose from. These are advanced projection equipment.
mobile, computer, internet, newspaper, projectors.
Reel to Reel, Overhead Projection Slides, and Carousel Slide Projectors.
Mitsubishi makes some of the most expensive projectors. They have lines that cater to the high end buyer and offer projector with DVD combinations built in as well as projectors that broadcast in full HD.
A few really good HD projectors on the following site: http://www.projectorcentral.com/home-theater-multimedia-projectors.htm. They have a lot of great projectors.
Multimedia projectors can be purchased from many electronic retailers and stores. Some examples include Epson, Ryther Camera, Office Depot, and Best Buy.
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.
Companies that manufacture 1080p resolution projectors include Epson, View Sonic, In Focus and Optoma USA. More information about specs and pricing is available on these manufacturers' websites.
Multimedia conference rooms use various forms of communication in order to launch a successful meeting. These conference rooms generally contain various displays including projectors and LCD screens, webcams, teleconference devices, microphones and speakers.
"TV projectors can range in price depending on if they are high definition or not, brand and style. A high definition TV projector can range from $60 to $2000 depending on the different factors listed earlier."
The company Sim2 produces many types of products. Sim2 produces high quality digital projectors for Home Theater. They also have many more multimedia devices.