As a point of reference, however, using the Society of Motion Picture and Television Engineers (SMPTE) recommendations, and assuming a 1.0-gain screen, 5,000 lumens would make the SU917 bright enough for a 269- to 365-inch image (measured diagonally) at the projector's 16:10 default aspect ratio in theater-dark lighting.Įven in moderate ambient light, 5,000 lumens are bright enough for a 178- to 200-inch image. The difference between white brightness and color brightness for DLP projectors complicates any discussion of brightness. (Opens in a new window) Read Our Epson PowerLite 4650 XGA 3LCD Projector Review Its 3D support is one of the advantages of using a DLP engine, since very few LCD data projectors offer 3D. It also does a reasonably good job with color. That said, the SU917 shows almost no rainbow artifacts with static data images, and fewer than many DLP projectors with full-motion video. (For more on color brightness, see Color Brightness: What It Is, Why It Matters.) It also ensures that its color brightness matches its white brightness, so you don't have to worry about a difference between the two affecting color quality or the brightness of color images. The Epson model's three-chip engine ensures that it won't show the rainbow artifacts (red-green-blue flashes) that single-chip DLP projectors can show. Since 1982, PCMag has tested and rated thousands of products to help you make better buying decisions. ( See how we test everything we review (Opens in a new window).)Īrguably the biggest difference between the two projectors is that the Epson 1985WU is built around three LCDs, while the SU917 is built around a single DLP chip. The SU917 lets you add MiraCast as part of its optional Qcast dongle ($99), but doesn't offer WiDi, even an option. It also includes MiraCast and WiDi support, for easy wireless connections, as standard features. The Epson model lacks 3D capability, but it offers some features that are missing from the SU917, most notably the ability to show images from two different sources at once on a split screen. In particular, the SU917 offers full 3D support, including the ability to work with 3D Blu-ray players and other video devices. However, the two offer distinctly different sets of features otherwise. But as a data projector, it's well worth considering if you need to show images with fine detail in a large room.Īmong the SU917's ($1,595.00 at Amazon) (Opens in a new window) more direct competition is the Epson PowerLite 1985WU WUXGA Wireless 3LCD Projector ($1,595.00 at Amazon) (Opens in a new window), which offers the same resolution and a similar brightness rating. In truth, though, it's far too bright for most home uses. BenQ's website suggests that you could use it for watching movies at home as well, based on its WUXGA (1,920-by-1,200) native resolution, which lets it handle 1080p HD input without having to scale the image.
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