High contrast gray screens mean that whites are less bright, and blacks are closer to actual black. Movie theaters are designed to give everyone the same picture quality no matter where they are seated. Color distorts, and light dims, and a certain point on the angle on the viewing axis. Projector screen viewing angle is a measure of quality picture from the center of the screen to the far right and far left of the projection. A gain of 1.0 is the industry standard 1.2 is 20% higher reflectivity. Screen gain is the measure of light reflectivity. Types of Projector Screen Fabric Let’s define the two most important terms that screen fabric directly effects. Article on Projector Screen Terminology: Advice and factors in deciding which projector screen is right for you. There is a manual screen case, Controlled Screen Return, that stops the projector screen from rolling back too quickly. Manufacturers have created tensioned models to enhance picture quality and solve the issue of bends and folds in non-tensioned screens. Manual projector screens pull down like a window shade when needed and flip back up between uses. These are common setups because they are the most inexpensive alternative. Article: How Do I Choose The Right Screen for My Projector? Projector Reviews TV Videos: Choosing the Right Projector Screen (Part 1) and Choosing the Right Projector Screen (Part 2) Tensioned or Non-tensioned Manual Projector Screens A home theater system would also require mounting, however business projector systems are used for presentations, etc., that require more portability. If you are in a classroom, mounting the projector screen over the front whiteboard, would work best. You can choose from a front projection screen – wall mounted or portable – to a fancy rear projection screen that manual or electric versions. There is no actual gamma standard for HDTV content, and people have different opinions about the correct one, but being able to choose one is important, and having a screen that doesn’t modify the projector’s settings is ideal.Ambient light, room size, and projector specifications, determine the type of projector screen that will work best for your needs. The gamma curve in a display accounts for this, making it so every incremental step is visible to you. If you have 255 light bulbs in a room, going from one light on to 2 lights is a much larger difference to your eye than going from 235 lights to 236.
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