Ultra Short Throw Projectors

Ultra Short Throw Projectors

A disadvantage of front-projection whiteboards is that the presenter, standing in front of the screen, must extend his or her arm with or without a stylus to avoid casting a shadow. This is not a disadvantage of Ultra-Short-Throw (UST) projectors, which cast an image from above and just in front of the IWB surface, removing the presenter from the beam's path.

A projector with a special wide angle lens is mounted much closer to the interactive whiteboard surface and projects down at an angle of around 45 degrees. These vastly reduce the shadow effects of traditional front-projection systems and eliminate any chance for a user to see the projector beam.

Short throw projectors are used in applications where the distance to the projection screen must be minimized. Models are able to project onto a screen from as little as 1.5 feet away. These projectors come in both 4:3 and 16:9 aspect ratios and may include support for networking. The first benefit of buying a short throw also happens to be one of the most obvious: less room between the projector and the screen means less room for people to get in the way. Every projecting situation does not require a short throw projector. But there are some situations in which a short throw or ultra short projector is the perfect solution. Small learning spaces, conference rooms where detailed documents are shared, trade shows where a big image gets big attention, and in home theaters with projector placement limitations.
  • Small conference rooms
  • Small classrooms (schools, churches, public engagement spaces)
  • Trade show booths
  • Tight home theater spaces
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