There was a massive visible difference in picture quality between SVGA and XGA, and between WXGA and Full HD 1080p. When you consider you can get a 4K enhanced projector such as theBenQ W2700 for as little as 1360 compared to the native 4K UHD starting point of 5,000, you can see why this option has gained so much attention. HOWEVER. But there is also objective reality. The revolution began with JVC's introduction of pixel shifting in 2013. This is a fantastic article. It might be fine with static images but movement causes visual problems. Take for instance cheap plastic lense used in expensive 4K Sony projectors. It's well organized, well written, objective, and well supported with concrete examples. It makes senses this would work because they have already perfected this on the 1080p chipset, so they probably already have this 8k setup now on a 4 phase .66 chipset. Both have discernable discrete pixel structure, but the pixels on the UHZ65 are (by comparison) larger and more well-defined. True 4K sneaks into quite a few product descriptions, while the list below outlines some of the brand-specific terms: While the marketing terminology is contentious, the technology and price point behind pixel-shifting 4K resolution projectors deserve recognition. Interestingly and curiously, the editor of this article has chosen to compare just one part of the 4K UltraHD specifications, the resolution (which is lets say about 1/3 or even just 1/4 of UHD), and actually leaves out the MAIN and MAJOR part of it, the HDR and Wide Color Gamut (WCG), which, if you read and document yourselves, youll find out is actually what makes UHD new and best, and makes images look so good! This is a different comparison entirely. True 4K, provided color and contrast are of similar high quality is still a different and better beast. The increased vibrancy of the UHZ65's picture makes it look subjectively sharper even though it isn't. 4K UHD resolution is the consumer market standard. The projectors that can display the full 8.3 million pixels have now won countless awards from the toughest critics using lamps, lasers, and LED light sources over many years since the article was written. Good informative post Evan. Meanwhile, contrast is of utmost importance. If you want to get the most out of your projector, take a moment to wrap your head around the different ramifications of this jargon dense as it might be. I despise these Companies playing this game. Consider what you experience when you see an image from a high-end DSLR on a TV or computer monitor or phone or tablet. Once you move to a viewing distance beyond 1.0x the screen width, the eye's ability to resolve the subtle differences in detail between these two projectors evaporates. That holds for all 4K compliant projectors that rely on pixel shifting -- whether we are talking about a 1080p projector that doubles the pixel count for something in between 1080p and 4K resolution (like the Epsons), or a full 4K projector that puts all the pixels in a UHD signal on the screen using pixel shifting (ie, all the single-chip 4K DLP models). "Different manufacturers implement this technology in slightly different ways, but for a very rudimentary explanation of the tech it essentially overlays two HD images on top of each other (depending on the projector's panel/chip), shifted by a half a pixel up, down, left or right quickly so the naked eye cant detect the shifting. For those of us pushing 21ft wide screens, yes, we want and need 4K. If youre viewing the screen from a common distance of say 1.3x the screen width, you may not see all the detail on even a standard 1080p image. Well come back to why this distinction matters.Resolution: 4096 x 2160 pixelsTotal pixels : 8.8 millionNot to be confused with : 4K UHD resolutionPrice : Upwards of 5000Currently, only projectors from Sony feature a native panel pixel count of 4096 x 2160.Every Sony 4K SXRD Home Cinema projector from theVPL-VW270ESto the laser light sourceVPL-VW790ES delivers true 4K images with a native resolution of 4096 x 2160. Lee, you are referring to a known engineering feature of at least the 4K DLP DMDs that causes this false dark frame around the image. OR do I need to play a video/movie/video game in 4k resolution for the projector to project in 4K? In theory the PX727-4K should produce a sharper picture in terms of image detail, and it does. Depending on the individual model, some projectors pixel shift twice, some do so four times with the former having a more convincing 4K effect in areas of the image where their is finite detail such as small text. Freephone 0800 073 0833, Projectorpoint 2022 all rights reserved, Top 7 Laser Projectors For Businesses 2022, Best Meeting Room Laser Projectors For 2022, Why Choose 4K Resolution Displays For Your Business, Choosing The Right Size Display For Your Meeting Room. Just like how 1080p Blu-ray looks better on these 4K enhanced projectors. Let me be more specific, would all the 1080P videos that I am used to watching on my epson 1060 appear to be more crisp and be automatically enhanced? The display panel, therefore, can be native 1080p (as seen in 3LCD and some entry level DLP models), Some DLP models might use a chipset using 2176x1528 micromirrors, the device projects the same pixels twice, thus creating twice as many pixels on the screen resulting in a crisper image. Has anyone addressed the durability/longevity of phase shift DLP projectors? 4K, or 4K DCI, is a resolution of 4096x2160px. And the results? Joe, all TVs and projectors must by definition upscale or downscale a video signal internally so that it matches its native display characteristics, though some, like the native 1080p Epsons that accept 4k/HDR, do give you the option to manually turn off the pixel-shifting enhancement with 1080p signals and just view those signals organically via the 1080p chips without processing. The Sony VW285ES ($4999) uses three native 4K resolution SXRD panels. This is the 4K resolution used by the cinema and video production industry. And rest assured, those features are the ones responsible for the better contrast noticed in the article. Though many folks use the term faux-K as simply synonymous with pixel-shifting technology without implying anything derisive, many use it precisely because it insinuates inferiority. A screen of reasonable size with a standard black felt frame will usually hide it, but if you project on a wall or maybe have a screen with a fine bezel it's just there. The original 4K signal is first down-converted to much lower HD resolution before being fed to each HD image panel. So as your move back your perception flips and the Epson 4000 looks like the sharper of the two projectors. As enthusiasts have known for years, display resolution is not necessarily a major determinant of the final image quality. And they are all capable of producing impressive 4K resolution pictures. Epson followed using pixel shifting on 1920 x 1080 3LCD chips. Understood-people have complained about it for years, but the alternative would be to go with a more current 4K DLP where it's not as obvious or a 4K three chip projector. A system is only as good as its weakest link. So when we back up from the screen to a viewing distance of 1.5x the screen width and put on some 4K HDR material, the Epson 4000 actually appears to be a bit sharper than the PX727-4K. The UHD60 with its 0.66" chip and two-phase shifting produces a distinct pixel structure. With an HD 1080p source, we no longer have the extreme detail in the source itself. Time and time again weve been surprised by new models and the seriously impressive images they can achieve.When you take the steep price difference between these models and the native 4K alternatives, into account, its really worth giving them their dues.Resolution: 3840 x 2160 pixels (achieved through pixel shifting)Total pixels: 8.3 million, Not to be confused with: Native 4K DCi resolution. But 110" screen from 10-12 ft away and you can barely make the difference. Popping in the 4K HDR disc Lucy gives us a good test sample for video as it is loaded with fine details in hair, leather and cloth fabric, etc. Great editorial. I think may people will agree that resolution was the first but not necessarily the most impactful feature of the UHD format. So the bottom line is that there are many important factors that contribute to a 4K projector's success. People are concerned about what is true or genuine 4K and what is fake or "faux-K." What is the difference, and is it anything to worry about? Viewing the pictures close up, at a distance of 12 inches from a 5-foot wide image, you can see an obvious difference in pixel structure. Pixel shifting was and probably still is used as a con game to convince people to buy a projector they thought they were getting instead of what they were actually getting. But since we are reaching the limits of the human eye to resolve fine detail at this distance, the perceived differences between native 4K and the 3LCD 4K-enhanced projectors are subtle when viewing video. The minimum HDMI cable size you need to deliver basic 4K, therefore, is a 10.2Gbps cable. This is true of the ViewSonic PX727-4K as well which uses the same 0.47" chip. This is now. Why is that?If you have to qualify the statement that your projector is 4k..It would be much simpler to have 4k and 4k compatible or 1080p+. To detect any visible differences, the detail must exist in the source to begin with, so we need to use a 4K source. (So the low-end 4K projectors are not terrible the way some low-end 720p projectors were). HDR in particular does have the potential to alter the viewing experience for the better, though more so with high-light-output flatpanel TVs than with projectors, which do indeed struggle with hitting the highlights in an impactful way. Even the current JVC and Epson models that use two-phase pixel shifting on 1080p chips can produce pictures that come a lot closer to replicating a full 4K picture than one might imagine possible--sometimes they can even beat the 4K UHD DLP chips in the subjective impression of image sharpness. In reality, pixel shifting has produced rapid advances in picture resolution at prices far lower than you must pay for projectors that have native resolution 4K chips. Jim, After studying the operation of the XPR module with its pixel shift to achieve an apparent resolution of 4K, I think that the micromirrors cycle of the DMD chip is the same as in FHD. I appreciate the thoroughness and the acknowledgement that not everything involving picture quality is about the number of pixels. This is a a great write up but I question the use of a small 5 foot screen. Question, do all 4K projectors automatically (default attempt) upscale all 1080p content? But pixel-shifting is entirely different, and I look at the image my Epson 5040UB puts out when given 4K Source material, and it is stunning and elegant, and I just couldn't imagine it being any perceptibly sharper.
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