There is a slight blue tint, but paired with a good projector the image is bright and detailed with a very wide viewing angle. Although picture quality will not stack up to that of dedicated home theater screens, it is solid overall, and usable for a wide variety of purposes. This screen is unique in that it deploys side-to-side rather than the standard top-to-bottom so you can choose between two aspect ratios – 4.3 for a 65-inch size, and 16:9 for an 80-inch viewing area. The Epson Duet Ultra Portable is a true multipurpose projector screen, with the ability to serve as a business presentation tool or as an affordable entertainment screen. Most have different power settings, which gives you some control over how long they’ll last, but in general you should expect to get through one or two movies without much trouble. Battery life: Portable projectors are a battery power balancing act: brightness, speaker size, weight, and resolution all play a part in how much time you’ll get to use them per charge.That said, the speakers are generally smaller, and less powerful because of space restraints, and can add to power consumption. Speakers: All of the portable projectors on this list have built-in speakers, so you don’t have to carry a pair around with you to watch a movie.All of the projectors on our list weigh less than five pounds, and will fit in a backpack, but this is definitely a factor to consider if you’re planning on carrying your projector around a lot. Weight: The biggest upside to having a portable projector is its portability, so it’s important to factor in weight.If you plan on using your projector at night, brightness won’t be as big of a factor, but it’s something to consider if you’re going to use it to replace your TV in a well-lit room. Unfortunately, the brighter the projector, the lower the battery life. The brighter the projector, the more it’s able to overcome light pollution. Brightness: The image thrown by a projector is highly susceptible to light pollution, which will dim its image before it hits your screen or wall.Some projectors are categorized as “short throw,” which means they’re calibrated to throw a larger image from a shorter distance. The further away the projector is from the wall, the larger the image will be. Throw Distance: This is a math equation that calculates how big a projector’s image will be based on how far away it is from the screen or wall it’s projecting onto. Many of them use a technology called “downsampling,” which means it takes a high resolution image, and scrunches it down to a lower quality one.
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