4k Projectors: 5 Fast Facts

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Fact #1. In digital projectors, the light that constitutes the image bounces off of an array of tiny mirrors called a Digital Micromirror Device. It then hits the lens that provides its ultimate focus. These mirrors are shaped like little squares. They're usually only five micrometers across.
Fact #2. The mirrors inside don't add up to the same number of pixels present in the intended image. 4k projector images should contain 8,294,400 pixels, but the average Digital Micromirror Device only contains half of that. This is due to two factors. First, it's rather expensive to produce millions of microscopic mirrors. Second, the minds behind the projector's design know that your eyes can't tell the difference. Thanks to something known as wobulation, projectors only have to supply half of the necessary information in a given frame. The projection itself moves on to the next frame before your mind catches up.
Fact #3. The road to modern projection began around 2,500 years ago. This is when the first known recorded reference to the camera obscura was made. This device concentrates and redirects light onto a makeshift projection surface. This could be something as small as a shoebox, or as large as an entire room.
Fact #4. Over time, innovators began to experiment with preserving the images cast by the camera obscura. This eventually gave birth to film photography. About 150 years later, digital image recording arrived, and revolutionized the industry. This resulted in a new wave of technologies, including 4k.
Fact #5. 4k projectors are a great way to replicate the experience of going to a movie in the comfort of your own home. They aren't just for film buffs, though. Sports broadcasts and TV shows look great on them. This is especially true if you're using a unit with upscaling features. That'll make the most of 1080p HD streams. Gamers also appreciate a good projector, due to the available depth of detail in its blacks.