Short-range mainstream big screen in 2009 recommended a short focus projector.

Starting in 2008, the major projector brands have launched their own short-focus projector. .These projectors and traditional products biggest difference is that, the same size projection screen, projector screen, the distance from the cut in half or more. .In other words, the use of the projector space is much smaller. .<P Align=left> advantage of short-focus projector is particularly suitable for the education industry. .The whiteboard as a representative of modern teaching equipment began to be popular, but with matching on the projection screen while the projector to play a crucial role. .However, one of the teaching with the whiteboard projector prices are too high, more than 10 million, and maintenance is too much trouble, so much cheaper in the short-focus projector combination increases began to be concerned about the whiteboard. .</ P> <P align=center sizset="126" sizcache="2"> ordinary projector direct exposure to light into the human eye </ P> <P align=left> advantage of short-focus projector </ P> .<P align=left> shown above, the average projection distance long as the projector, the projector and the whiteboard in the lecture between the prone shadow block presentations. .Meanwhile, the projector light will pierce straight into the eyes of the speaker will be a very hard, also affects vision. .Therefore, the shorter the distance the projector's short throw projector and the Presenter occasions for teaching more trial. .</ P> <P align=center sizset="127" sizcache="2"> telephoto projection compared with the short-focus projector </ P> <P align=left sizset="13" sizcache="20"> Therefore, .Currently short throw projector has become a business school teaching and meeting with the whiteboard with the choice. .In 2009, There are also a variety of short throw projector market, and today we have four recommendations for the most mainstream of all short-focus projector, for schools and businesses purchasing options. .</ P> 1 2 3 4 5 <p> this navigation: </ p> <li class='cur'> No. 01: Why did you choose short-focus projector? .<li> Chapter 02: The only thing with HDMI Interface: Vivitek D930TX <li> Chapter 03: Smart Management: NEC 600S + <li> Chapter 04: The most cost-effective: InFocus XS1 <li> Section 05: Projection .the shortest distance: Epson EB-410W.