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ALR Stands for Ambient Light Rejecting. These are Special Kind of Projector Screens that reflects Ambient Light and shows you Brighter Images. What is Ambient Light? The EPV PolarStar has one commanding feature that no other ALR screen in this review has -- it has a Silver-Gray surface that polarizes light, a feature you need if you want to set up a passive 3D video system. The advantages of passive 3D include simple, lightweight glasses that don't need batteries, and usually cleaner pictures with no crosstalk artifacts. You lose resolution compared to active 3D, but with the new 4K revolution, it's a non-issue. For those who want to go passive 3D, the EPV PolarStar is an excellent choice. The screen has a special optical sawtooth structure and a light-rejecting filter to give a stunning performance in an environment with ambient light. Unlike the traditional projection screen, UST ALR material is able to present the image in bright light from a ceiling light. It has removed the foggy phenomenon you usually experience in light rooms by rejecting >97% of ambient light. The screen is tab tensioned to guarantee a flat and stable surface for your image to be projected on. This ensures a quality viewing experience and stunning image quality.
Ambient light impacts the quality of a picture a projector can produce. It does so by weakening the light coming from the projector, thereby reducing the picture quality on the screen.
Elite Prime Vision DarkStar 9
The most problematic aspect of the MS1000X's performance was a very noticeable texture in the image, looking like ever-present fine grain. It is visible even when the camera is not panning, but becomes particularly obvious when it pans over non-textured subjects. Of the screens in this review the MS1000X stands alone as having the most noticeable texture artifacts.
These ALR screens work perfectly for living rooms or other multi-purpose rooms where the screen will not be the focal point. Almost no texture. The Elite EPV DarkStar 9 and EPV PolarStar stand in a class by themselves. Unlike the Da-lite and DNP, they do manifest some subtle grain on occasion, but it is noticeably less so than any of the remaining products in the review. White is another popular choice for an ALR screen because it reflects light well and doesn’t absorb much light. Wireless trigger compatibility is not guaranteed for all projectors. In addition, the trigger is a gift, it is not covered by the screen’s manufacture warranty.NOTE: Only suitable for UST projectors that are floor/table mounted. Please enquire or see the Vividstorm overview table if unsure. ALR Screens are made of a Special Material with a Shiny surface. Therefore, you have to be careful while cleaning the Screen. Washing or Treating it as a Regular Screen can damage the screen and reduce its performance. These are the standard cut-off times below, however if you require an urgent shipment after these times, please call on +44 (0)1924 589 589
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