However, not everyone will notice this effect. Light is filtered onto the mirrors through a colour wheel to produce alternating red, green and blue screens thousands of times a second, producing the final projected colour image.ĭLP projectors using a single chip have been known to produce a 'rainbow effect', a potentially distracting trail of red, green and blue after-images that is particularly visible on high-contrast scenes. Generally, the more mirrors used, the greater the resolution of the projected image. This can make the picture appear as if you're looking at it though a very fine mesh screen and can be particularly noticeable in large flat areas of light colour.ĭ igital light processing (DLP) technology uses minuscule mirrors set out in a matrix on a semiconductor chip, known as a digital micromirror device (DMD). Some LCD projectors have been known to produce a 'screen door effect', with fine lines in the projected image that are visible to some people. If this will be in your living room, higher is better.Liquid crystal display (LCD) projectors generally use three transparent LCD panels – one each for red, green, and blue – which let individual pixels be turned on or off as the light passes through to make up the projected picture. If you plan on adorning a dark home theater, you can get away with a lower number. Dim projectors can project just fine in the dark, but it takes high lumens to cast a crisp picture in a bright room. This mainly comes into play when you have well-lit rooms. The higher the lumens, the brighter the picture. Lumens - Lumens determine how bright the projector's light is. You want the first number to be as high as possible. The contrast ratio will be in the form of a number:1, like 1,000:1 or 1,000,000:1.
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This is important because it allows your projector to display a full range of colors without getting too grainy or washed out. The lower resolution, the more boxy your image will be.Ĭontrast Ratio - The contrast ratio is determined by the difference in color between the brightest brightness a projector can achieve and the darkest black. Resolution - Like a TV, your projector's resolution determines how sharp and clear your picture will be. All the same, our reviewer considers it a minor issue, but still one worth mentioning. During normal use, it's hard to see, but in our testing, it became pretty clear.
One minor issue is a slight variance in luminance from edge to edge of the screen. That's a ton of coverage and versatility, meaning you can use this projector in any tight space, including a bedroom or a dorm room. This is a short-throw projector, which means it can fill up to a 100-inch screen from just under 5 feet away. But most of all, this projector was built for gaming, with low-input lag from your game system and controllers. Plus, the 2,200 lumens will work in just about any room, even one that sees light from the outside. This projector boasts a 15,000:1 contrast ratio for great detail in darker scenes. If you want to get your game on in high resolution, the BenQ HT2150ST is for you. Movies and boardroom presentations aren't the only use for projectors. Given its price, we consider that to be an acceptable compromise, but if you're a competitive gamer, you'll want something with much lower latency. If you're not into online gaming or battle royales, that probably won't make much of a difference to you. Single-player games run just fine, but when you get into a multi-player setting, and especially a competitive setting, the 50ms of input lag can affect your overall performance. Maybe that won't bother you if you have a few extra seconds on each end, but we also noted a bit of lag when it comes to gaming. Unfortunately, slow is a bit of a theme for this projector, since our tester also noted slow boot-up and shut-down times. Our tester found that its 2,200 lumens were quite bright enough for broad daylight, which can be challenging for many projectors. The BenQ is a great 4K find at just under $1,500, which is really low for a 4K projector. It's tuned in the factory for the best color output you can find, and it shows right out of the box. This projector offers truly great color accuracy. BenQ makes really great projectors, and that's true here in the BenQ HT3550.
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