Back in the day, the native resolution of a projector was a big deal, and rightly so. Has anyone addressed the durability/longevity of phase shift DLP projectors? The writer's conclusion -- that the differences in perceived detail are fairly minimal -- suggests that buyers are free to focus more on other factors that will improve the image quality (higher rated contrast, better rendering of HDR for example) or improve the set-up or user experience (powered lens functions, etc.). jvc ila But let's not be so eager to jump on the 'megapixels/resolution doesn't really matter' train that we forget that micro-contrast and fine detail are what more pixels and higher resolving power make possible.
What is this? jvc technology shift projector 4k avs discussions rs420 dla 
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. 
jvc nx7 lcos 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. I bought my dad an Epson 5040UB last year and I recently bought an Optoma UHZ65. Dont forget that your entire setup needs to be 4K compliant to allow your projector to display the striking 4K images you expect. If I couldn't afford a native 4K projector--and I can't--I'd be absolutely delighted to spend my days being full of horse malarkey and enjoy the benefits of 4K HDR content on a pixel-shifting projectorwhich I do. 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. theatre projector vpl sony 4k nz enquire purchase currently Even the JVC and Epson models with their simple two-phase shift on 1080p chips can outperform competing 4K projectors on the basis of contrast and black levels and produce pictures that look equal to, and in some cases better than, a competing 4K projector at a similar price.
projectors In addition, one of the biggest factors influencing what you see as image detail and sharpess is contrast. Evan, Fantastic real world review. Hey Evan, Great write up, really getting the discussion going. On the UHD50, when you are at the same distance of 12 inches from a 5-foot wide screen, you can detect an extremely subtle hint of pixel structure, but it is nowhere near as distinct as on the UHD60. Ive seen no such projector that is 1080p look like a 4K image. jvc projector 8k shift Since "4K" is all about resolution, it is not surprising that so many folks have been preoccupied with native 4K vs. pixel shifting 4K, and debating the merits of each. When comparing these projectors there were obvious differences in detail and image sharpness. When it is used in this manner it is counterproductive and serves no good purpose. The chip's physical resolution, at least in the home theater world, has become irrelevant. This is a fantastic article. Even though there is little news here that hasn't been mentioned in passing in the individual reviews over the last few years, I find it very timely and extremely valuable to have this summary and real-world assessment available. I just hate how they have to come out with so many different formats to keep people buying their products. This article is terribly one side and doesn't mention any of the negative side effects of image shift like the shimmer and artifacting you can see when there's a ton of motion on screen. However, with HD 1080p we once again encounter a big difference in contrast, except this time the VW285ES wins. The big question is, can you see the difference between a projector using authentic native 4096 x 2160 resolution chips, and a projector using two-phase pixel shifting on a native 2716 x 1528 chip? The answer is clearly no -- in practical terms you see exactly the same amount of image detail on both models.
Its all down to your individual perception of value and how much 4K content youre watching.
Once we've put the 4K material on the screen, the issue then becomes whether there is a level of fine detail that can be resolved by the VW285ES that cannot by the UHZ645, and whether this incrementally resolved detail is visible to the viewer at a typical viewing distance. 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. Meanwhile, contrast is of utmost importance. Both? Obviously Im not upgrading often but Ive been happy with my epson. No problem we have an experienced installation team who can install your projector, screen, display and audio. Great editorial. 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. "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. True 4K sneaks into quite a few product descriptions, while the list below outlines some of the brand-specific terms:BenQ: XPR TechnologyOptoma: XPR TechnologyEpson: 4K enhancementJVC: eShift5While the marketing terminology is contentious, the technology and price point behind pixel-shifting 4K resolution projectors deserve recognition. Its also judgement as to what you deem as acceptable in terms of the price gap between the native and non-native 4K projectors. v4k temporal technologies d2mk remapping image011 In theory the PX727-4K should produce a sharper picture in terms of image detail, and it does. This constant jump would make pixel structure less distinct. The Optoma UHZ65 ($4495) is a laser-based 4K projector using a single 0.66" UHD DLP chip with two-phase pixel shifting. They followed that with an 0.47" DLP 4K UHD chip which has a physical mirror matrix of 1920 x 1080. That was then. In the world of consumer 4K, UHD TV's the TV's panel has anativeresolution of 3840 x 2160 pixels.In the world of 4K UHD resolution projectors, the projector achieves this resolution by using a technology called "pixel shifting.
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+.
JavaScript seems to be disabled in your browser. The differences might be more obvious. Certainly contrast is a critical one--both with HDR and SDR. However, at the same time, the hair detail in the Scarlett Johannson close-ups appears to be better defined on the UHZ65. You know JVC and Epson will finally release a native 4k chip only in a year or so to add their next E-shift technology to take them to 8k when they already have this developed now.
This is a a great write up but I question the use of a small 5 foot screen. 4k projector benq uhd led dci dlp cinema p3 2200 ansi theater launches 2200lm pro imax brings into x2 2516 The revolution began with JVC's introduction of pixel shifting in 2013. I appreciate the thoroughness and the acknowledgement that not everything involving picture quality is about the number of pixels. The UHD60 with its 0.66" chip and two-phase shifting produces a distinct pixel structure. Since few people would ever want to sit closer than 1.0x the screen width, we set up to view at a distance of 5 feet from our 5-foot wide images. 4k projector future dlp instruments texas chip projectors chipset ultra inch Hey Evan, Since you are talk about the differences between a 2 and 4 phase chip, does that mean they can easily change the 2 phase chip to a 4 phase chip in the future for 8K on the .66 chipset? HOWEVER. Viewing distance is a huge factor in perceived resolution.
If the scaling electronics are good, you'll get a good result with your 1080p content. So not only does native 4K imaging have a set of applications for which it is uniquely advantageous, 8K does too, and it is coming sooner than you think. This is simply not the case. Better comparison would be to use a much larger screen 10ft, or so . There are projection applications that WILL benefit very directly from native 4K resolution devices. Thats over 8 million separate pixels, giving four times the detail of Full HD.While some other brands of projectors are advertised as being 4K capable or True 4K, they actually use lower-resolution 1080p or 2K panels. :). Combined with HDR - we now have affordable projectors that can display pixel correct images at 2-3 times the size of a 75" TV - enabling massive size home theaters and 4K simulators at affordable price points. At the opposite end of the spectrum are the tech liberals who believe that if the projector takes a 4K signal and does something to make it look like an exciting, high resolution 4K picture on the screen, that is really what it's all about. And as we know, high contrast makes a picture look sharper. Likewise, we've seen something similar in a few single-chip 4K/UHD DLP models that use the 0.47-inch 1080p DMD before applying XPR pixel shifting for 4K; there's a mode where you can turn off the 4-phase pixel shifting and just view the output of the DMD prior to the shifting. Then Texas Instruments released an 0.66" 4K UHD chip with a physical mirror matrix of 2716 x 1528 which uses two-phase pixel shifting to create 8.3 million pixels, which is 4K UHD.
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. OR do I need to play a video/movie/video game in 4k resolution for the projector to project in 4K?
dla 4k jvc projector ila x5000 x9000 lineup projectors resolution eu contrast ratio jvc nx5 And they are all capable of producing impressive 4K resolution pictures.
projector disadvantages 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. It uses four-phase pixel shifting to create 8.3 million pixels. Anyone in the projector biz could tell at a glance just from looking at pictures on the screen what the native resolution of the projector was. Optoma - I wonder if the differences between the phases affects refresh rates in the various 4K formats like 60hz etc and if it impacts input lag in anyway? Just like how 1080p Blu-ray looks better on these 4K enhanced projectors. 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. And rest assured, those features are the ones responsible for the better contrast noticed in the article. Faux-K is great. uhl55 optoma projectors
For those of us pushing 21ft wide screens, yes, we want and need 4K. 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. 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. The first point is to consider the content. The original 4K signal is first down-converted to much lower HD resolution before being fed to each HD image panel. Different manufacturers use different terminology to describe this technology. Notice how no one argues over whether the Sony VW285 is 4K or not. Good question. The upshot is that there seems to be a narrower spread between the low end and high end in the 4K realm, at least in terms of resolution. The projector can only do so much: if youre not feeding in 4K content, expect to receive a poor quality reproduced image rather than a wow-factor 4K image.Further, the type of content youre watching on your projector also matters. Manufacturers are therefore able to apply the 4K UHD resolution label to devices that dont have this pixel count on their display panel but do have it on the screen. Consider what you experience when you see an image from a high-end DSLR on a TV or computer monitor or phone or tablet.
sony projector vpl lens 4k motorized shift wide zoom There are other contributing factors on a projector that affect what you perceive as image sharpness. So put me in the Pixel-Shifting convert category. At any normal viewing distance beyond 1.0x the screen width, the differences in perceived sharpness of upscaled 1080p material is entirely attributable to factors other than the physical resolution of the chips. Houston, nobody is suggesting these projectors be used on 5' screens. The point at which this occurs depends on the contrast of the subject matter, but with the 4K HDR movie Lucy it appears to happen at a viewing distance of about 1.3x the screen width (with my 20/20 vision). The fact that one projector's chip has a mirror matrix of 2716 x 1528 and the other a matrix of 1920 x 1080 (half the number of mirrors) has absolutely zero impact on the sharpness and detail in the image. Are these different technologies from native 4K?Those selling you the latest tech dont always take the time to explain the difference between these terms and how this difference affects your purchase decisions. With 4K DCI, the total number of pixels projected is around 8.8 million or in other words, four times as many as the previous digital projection and editing standard of 2048x1080px, 2.2 million pixels.To be deemed to have native 4K DCI resolution, the projectors display panel must have this pixel count and reproduce each individual pixel on the screen. Question, do all 4K projectors automatically (default attempt) upscale all 1080p content?
Total waste of money, earth resources and will result in huge electronics waste over the coming years. Visible pixelation (the screendoor effect) on lower resolution projectors was supremely annoying and desperately to be avoided. 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.
Youre full of horse malarkey if you actually think youre capable of making that happen. 4K UHD resolution is the consumer market standard. Now, before you go dropping me a flaming email, I am NOT arguing that native 4K imaging devices are irrelevant, or that native 4K devices cannot be a critical feature in a projector. It often connotes that there is something inauthentic and undesirable about the pixel shifting technologies and the 4K projectors that use them. We hope the above 4K resolution : Native Vs Upscaled guide has given you a clear understanding of the basics in what to look out for.We understand there is a lot to take in and a lot of choice so if you still need help we're only a phone call or email away. I think the conclusion of this article is this: We didn't need 4k for home use at all. projectors So as your move back your perception flips and the Epson 4000 looks like the sharper of the two projectors. In default Cinema presets, when displaying HD 1080p source material, the VW285ES is much higher in contrast and saturation than the UHZ65. Then, before it reaches the projector lens, the images apparent resolution is boosted using so-called pixel-shifting technology. And the results? In this no-man's land, where the latent competitive strengths of both projectors are visible simultaneously in the same picture. And the simple fact is this: we can no longer glance at an image on the screen and know the physical resolution the chips in the projector like we could before. jvc nx7 eastporters Time and time again weve been surprised by new models and the seriously impressive images they can achieve.
Think too about the projector in the context of your unique setup. While I prefer the latter definition myself, what I care more about is that buyers come to realize that the differences in detail resolution between all of these various 4K implementations are extremely trivial compared to the major issues of contrast, brightness, color balance and saturation, and image stability and clarity that ultimately define the greatness of a home theater picture. And this is true no matter if you are displaying a native 4K video signal, or if you are displaying regular HD 1080p and having the projectors upscale it. Here are a few further things to consider when deciding on the right 4K resolution projector for your needs. 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. I reckon it should be a spec of the projectors so when we use your site's screen calculator ( been using for years! Contrast is king. thx 100mm ila lens
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But according to the Consumer Electronics Association (CEA), a projector being described as 4K UHD must have at least one HDMI input that can accept a native 4K UHD signal, and be capable of. Rob - I agree with your comment above. 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. Price:Now were onto the real reason why this technology is so popular. Please call for details. 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. And even in home theater, if you have a much larger than typical screen and you like to sit in the front row of a movie theater, the incremental picture resolution from a native 4K projector may be visible and relevant to you. (So the low-end 4K projectors are not terrible the way some low-end 720p projectors were). I honestly found it such a distraction in dark scenes that I've gone back to a 1080p projector. Any conclusions reached based upon the number of discrete elements in the panels are erroneous, For the person talking about 110" screens, you're right, 4K is not for you. This occurs in the first scene, where detail in the straw hat and the subtle texture of the leather jacket are more successfully resolved by the VW285ES. This is a different comparison entirely. This time we will stand 5 feet from our 5-foot wide screen (1.0x the screen width). Only native 4k projectors? jvc cedia
(Don't believe us, come and check it out for yourself in our bat cave dark4K Demo Room.). 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. It is a terrific technology that is hard not to love once you see it. Got your head around the resolution terminology? Yet if you're looking at such images on anything other than an actual print, you are looking at a finite number of pixels equal only to what any given display can reproduce. 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.
But to call it a "con game"or a "game" at allis uninformed and arrogant. 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 VW285ES looks subjectively sharper and more three dimensional despite the fact that there really is no additional detail in the picture. lightest projectors Once again, we start by doing some pixel-peeping close up, from a distance of 12 inches on a 5-foot wide screen. I despise these Companies playing this game. In point of fact, Digital Projection, Inc. just staged a demo of the first 8K projector in Las Vegas at the NAB tradeshow this week. Since we are not relying on native 4k resolution, I am asking will the pixel shifting technology manipulate my 1080 youtube video into looking like 4K? The term "4K projector" is open to any of several interpretations, and there is no chance of a consensus--it is an emotional subject for a lot of folks.
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