A short throw projector allows users to create big pictures in tight spaces, without concerns about shadows obstructing the image or light shining in the presenter’s face.

Short throw projectors have very short throw ratios, the distance from projector to screen compared to the screen size. For example, a projector with a 1.5:1 throw ratio would have to be 7.5 feet back to project a 60-inch diagonal image. Short throw projectors like the Hitachi CP-A100 (pictured), which boasts a 0.37:1 throw ratio, can project the same large image from just 1.4 feet away from the screen.

They were designed with educators in mind.

“Education is the main driving force behind the short throw market,” Keith Yanke, NEC Display Solutions’ director of product marketing, recently told Gearlog.com. “Installation and integration is usually cheaper when using a short throw model because you are installing the projector to the wall and not on the ceiling. This means lower mount costs, lower cable costs and less labor.”

In addition to cost-savings, short throw projectors are also more flexible than their traditional counterparts. Educators can use them at the front of the classroom, rather than the back. No more worries about little feet tripping over the cables.

Short throw projectors are made with a higher quality lens than traditional projectors, according to Gearlog. They may also employ a chipset that “pre-warps” the image so it can be projected from a short distance.

Casio’s new Green Slim projectors are environmentally friendly, bright, lightweight and only 1.7 inches thick! Best of all, they provid over 20,000 hours of use without a single replacement lamp!

The mercury and lamp free design features a light source that lasts 10 times longer than conventional projectors employing mercury lamps. The Green Slim technology cuts costs, as well as the time and effort involved in lamp exchange, while maintaining clear, high-quality images over an extended period. It is backed by a comprehensive 3 year warranty, including the light source. Users can expect reliable, worry free operation from the Green Slim.

The Green Slim projector features quick startup and shutdown. The projector reaches its maximum brightness in 8 seconds and requires no cooling down period — an advantage for keeping presentations focused and smooth.

The hybrid light engine combines a laser and an LED to create a mercury-free hybrid light source capable of generating high brightness (2000 lumens). Your sales representative can make sure that your school stays on the cutting edge of technology, while potentially saving hundreds of dollars per year with the Casio Green Slim!

See Casio projectors for the classroom »