notesgift.blogg.se - Short throw projector screens

Also “ST” projectors create their images with “off axis” light. However, the uneven “flatness” of standard projector screens will create image distortion so a flat-tensioned material is a must. It works very well with tensioned materials. The “fish eye” design of the lens is the most noticeable trait and it’s bubble-like curve allows light to be spread out with more rapidity to create a larger image in a shorter distance. Another reason is that the close confines of many classrooms and training facilities don’t permit enough throw distance for a standard projector. Short throw projectors were developed namely for presenters to work more closely with the projection screen without having the projector’s glare in their eyes.

In order to create a 100” / 254cm (16:9) image, will typically require about 3-4 feet (90-120cm) of throw distance.

Another side effect of “long throw” is that when people, animals, or any other objects come between the projector and screen, it will create a shadow over the projected image.

Weakness is the amount of space they can take up in any application.

They require the greatest amount of distance to make an image. They are compatible with virtually all projection materials. The exception would be “UST-ALR” (Ultra Short Throw- Ambient Light Rejecting) or “CLR” (Ceiling Light Rejecting) specialty projection Materials. They can be used on regular or tensioned “white” or “grey” materials as well as any regular “ALR” or “rear-projection” material. Standard Throw or “Long Throw” Projectors are the most common type.

In order to create a 100” / 254cm (16:9) image, will typically require about 8-10 feet (244-305cm) of throw distance.

For this example, we will use each type of projector to create a 100” (16:9) image and discuss which material will work best for it. The three basic types of projector screens are Standard Throw, Short Throw (ST), or Ultra Short Throw (UST).

Simply put, throw distance is the measured expanse that the light must travel from the projector’s lens to the projection screen’s surface. Standard throw projectors typically create a 100” (16:9) image footprint from about 10 feet of throw distance. Short throw projectors can create the same sized image from less than half that distance (about 4 feet), and UST projectors will put up the same sized image in a matter of inches.

It is easy to forget the finer points in AV design and mismatching the type of projector you have with an incompatible screen material is one of those “little things” that will become a big problem. While matte white is typically the universal “go to” brand, there could be problems even there. This article addresses the main characteristics of Standard, Short Throw, and UST projectors as well as the materials that are most compatible with them. Before we start, let’s discuss throw distance since it is what sets these 3-projectors apart.