How to distinguish between projection screens

Expand All The white plastic material is made of cloth and PVC composite. The gain of white plastic screen is mostly between 0.9 and 1.3. The light after reflection is soft, and it is not easy to fatigue when viewed from time to time. The glass beads are made by coating the surface of the cloth with glass powder. The glass fiber screen compensates and adds a few differences on the basis of retaining the advantages of the white plastic screen. Projection screens are tools used to display images and video files in movies, offices, home theaters, large conferences, etc. Available in a variety of sizes. The choice of projection screens for different spaces is also different. For example, when viewing a large number of people or viewing in a lateral direction, a wide viewing angle and a low-gain screen should be selected. In a narrow space, a narrow viewing angle and a high-gain screen should be selected, and an appropriate gain is selected. The screen helps to increase the contrast of the screen, increasing the grayscale of the image, brightening the color, and increasing the image's observability. Introduction: The principle of work: combined with the projector. Projection screens are also called projection screens. They are generally divided into commercial screens, home screens, and engineering screens. There are many types of screens, which are divided into high, medium and low grades, which can be determined according to the occasion.
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