The Image
After numerous inexpensive folding screen edges may be slightly stretched and take a wavy shape. Stretch "stretched" so easy mobile web Tube is more complicated than in the stationary version. If the interior space allows, the best solution is to install a "permanent" display, which is not removed and no fold. The canvas is stretched on the screen of the special frame, which guarantees absolute flatness and tightness throughout the life cycle. A variety of designs, materials and colors frame allows you to write such a screen in any room. For a rear projection screen, this will in most cases the only possible solution.
In addition to the usual direction of projecting all of the direct projection, the projector and the audience located on one side of the screen, use the reverse or rear-projection (rear projection): In this case, the projector is behind the screen, running up to the light. It is on this principle work or usual projection TVs new laser. Choosing the screen, you must consider to what type of projection it will be used. If the projection screen to direct may be completely opaque and work for reflection, for rear projection a different type of fabric. We can not say that in the second case, apply a translucent screen – with full transparency, we simply would not have seen it on the image. High-quality screen for rear projection, by contrast, the darker looks, the better. This provides a bright and sharp image even in less shaded areas. The complexity of rear projection is that behind the screen should be enough space to accommodate projector.
Yes, and at the appropriate distance from the screen – to form an image size. Usually a small darkened room with en-suite opening in the wall, drawn-translucent projection screen. Not so long ago there were screens that support both types of projection at the same time. They are positioned as "screens with a 360-degree" and are more suitable for promotional purposes than for regular use in the office or at home. Indeed, one of the sides of the image is a mirror that is not always acceptable.
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