Projectors are not covered by the Energy Star standard rating but do have several features such as sleep and standby mode that allow them achieve high power efficiency when not in use.
Epson power lite projectors are great for showing notes. They have a great line matrix and this makes it easier to read text on them.
Digital projectors can be very useful, depending on what you need to use it for. This would be ideal if you have to do numerous presentations for work, for example, but would rather not use power point.
Christie projectors can be purchased at Christie Digital, Amazon, eBay, Gear Source, Power Seller Network, Office Wonder, Projector Central, The Find, and Sound Broker.
No, projectors are not difficult to use. Just plug them in, hook up the audio/video cables to you cable box or computer, and press the power button on the projector to start it up.
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.
Hydroelectric power is about 90% efficient while fossil fuels are about 60% efficient.
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.
Simply put, it reduces the power of the projector bulb to increase it's lifespan. This can be convenient when full power is not required.
NEC's multimedia projectors cost from $310 to about $5,000. They also make cinema projectors which are even more expensive.
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