Originally Posted by FreyTheater
I wish there was a more formal, public announcement from Epson on that - I see the 5040 is on sale again this week at the retailer I had ordered it from 3 weeks ago and then cancelled because I became too worried about the power supply failure issue. Really debating on either the 5040 now or the 4010 whenever it is released soon, I really want the 5050 but the release date is too far out, and the pricing probably a bit too much, I'm afraid - I need something now. How is the 3D quality of the 5040 - I'm coming from a 5010 which had great 3D capabilities. Right now excellent quality 3D is just as or more important to me as 4K/UHD would be.
I've gone through the same debate and decided that the 5040 isn't worth the money after the 4000 arrived. Once the 4010 arrives the 5040 will be even less compelling to buy (depending on where the 4010 officially comes out price wise), but then the 5050 will arrive and the same decision will reappear (4010 vs 5050) lol
Majority of reviews concluded the 5040 is no different in brightness, noticeable (but not dramatic) improvement in contrast, and some apparent black level improvements versus the 4000. Note those comparisons were done in an outstanding setup with top notch screens and viewing environments (you would see even less differences with lesser screens and viewing environments).
The 4010 will likely be a marginal improvement over the 4000 in pq and the 5050 will likely again be a marginal improvement over the 5040 in pq.
Projector central review -
With respect to brightness and contrast, the differences between the HC 4000 and HC 5040UB are not huge. As far as brightness is concerned, the difference between 2200 and 2500 lumens is almost invisible to the eye, even on a white 100 IRE test screen. In most cases you would need a light meter to detect it. And when actual video content is being displayed the difference is invisible. So the lumen difference between these two models is not an issue of consequence. Both are plenty bright for home theater applications, and there is no real-world situation in which 2200 lumens is not bright enough but an additional 300 lumens solves the problem. So the lumen difference is, in a word, irrelevant.
On the other hand, the difference in contrast is more noticeable. However, even this is not as dramatic as you might imagine. Based on the spec differential of 140,000:1 vs. 1,000,000:1, one would naturally assume that the contrast difference must be enormous. Practically speaking, it isn't. When you set these two projectors up side by side and view a typical movie or video clip, if you study them carefully you will begin to see that the 5040UB is incrementally higher in contrast. The difference varies based on the scene being displayed at the time; basically, the contrast difference is visible in some scenes and not as visible in others. In all cases, the 5040UB's contrast advantage is maximally visible in a dark viewing room. Once you introduce any ambient light into the viewing environment, the visible contrast differential tends to diminish.
The most apparent difference is in black levels. This becomes most visible in dark or low light scenes, where a black object and deep shadows will be noticeably darker on the 5040UB than on the 4000. In rolling credits with white text on black, the background is darker on the 5040UB. When displaying a 2.35 movie on a 16:9 screen, the black bars are noticeably but not dramatically darker on the 5040UB.
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