![]() ![]() 3000 ANSI lumens is typically fine for lights-on viewing, although 2000 ANSI lumens and up will still look watchable albeit somewhat washed out with ambient lighting. Brightness: Projector brightness is measured in ANSI lumens with higher meaning brighter.Look for a lower throw ratio if you need to place your projector closer to the screen. An ultra-short throw often has a throw ratio around 0.37:1 or less. Throw ratio: Most short-throw projectors have a resolution between 0.38:1 and 1.4:1.Resolution: While 4K can provide noticeably more detail than 1080p, the difference between a good 1080p projector and an entry-level 4K projector is a little less noticeable, especially if you’re not in a pitch-black room.Standard short-throw devices require about three to eight feet of space to produce a 100-inch or larger image, while UST projectors need anywhere from inches to three or four feet. When selecting a short-throw projector, first figure out how much space you’ll have between the projector itself and the screen. What to Look for in a Short Throw Projector Make sure to get a UST projector instead of just an ST one to minimize the throw distance for presentations and home cinema applications. It can even be as close as 6 inches or half a foot away from the screen (usually the pico projector variety). ![]() An Ultra Short throw projector, in contrast, is any Short Throw projector with a throw ratio of below 0.4 or below 3 feet. This translates to a throw distance of 3 to 8 feet. The throw ratio of a Short Throw projector ranges from 0.4 to 1. The downside is that UST projectors cost more than projectors with a conventional lens and can also sacrifice some image quality. This lets you enjoy a bigger image in a smaller space, and because a UST projector works well on a tabletop or shelf, you don’t have to mount it on the ceiling to keep people from walking in between the projector and the screen. Unlike most projectors, which need to be about an inch away from the wall for every inch of diagonal screen size they project, a UST projector can sit up against (or within 3 to 4 inches of) the wall and still project a large image. Through the use of special lenses and mirrors, an ultra-short-throw projector can create a very large image on a screen or wall from a very short distance.
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