Projector Reviews Images

JVC DLA-RS20 Projector - Image Quality2

Posted on January 26, 2009 by Art Feierman

Black Levels & Shadow Detail

Black level performance and handling of dark shadow details are closely intertwined. A projector can have so-so black levels but very good shadow detail, and you end up with a dark scene that is very flat looking. Or, you can have great black levels and just "good" shadow detail, and you end up with the opposite, a dark picture with a lot of pop, but some areas may show a little less, or no detail in a particular area, whereas that the other projector does. I think most prefer the second example. The slight loss of shadow detail and great blacks is typified by the Epson Home Cinema 6500UB. The Mitsubishi HC5500 would be a good example of the first scenario. Ideally you want exceptional performance at both.

That brings us to the RS20. Its black level abilities are unmatched. Richer and darker blacks than anything I've seen. The shadow detail, on the other hand, is simply typical of very good projectors out there. The combination of the two makes for the best looking dark scenes I think you can hope to find today.


Black Levels Comparison

Epson Home Cinema 6500UB
Mitsubishi HC5500
Mitsubishi HC6500
Panasonic PT-AE3000

First is a seriously overexposed shot of the starship in The Fifth Element. Note, that even with this ridiculous level of overexposure, the blacks in the image, and the letterbox are still not much brighter than pure black. Immediately below it, is a less overexposed version, for better comparing with the same image in older reviews. In this first image, I have left in part of the letterboxing, so you can see the basic black level more easily.

Click to enlarge. so close. I also took side-by-side images with a fully black "image". There are no larger versions to click on. The interesting thing about shooting fully black "scenes" is that different projectors, so equipped, will close down their dynamic irises to different degrees. Just because one projector looks blacker on a black scene, does not guaranty that that projector is still blacker on a dark, but not fully black scene.

Click Image to Enlarge

Click to enlarge. so close. In this case, though, the the comparison is between the JVC (on the right) and the InFocus IN83 on the left. Neither have a dynamic iris. So, what you see, is what you get. The IN83 sports a Darkchip4 processor, which is, I believe as good as DLP gets in terms of black levels (without adding a dynamic iris). There's no comparison between the two projectors, the JVC blows the InFocus away (The photo was taken with a time exposure just long enough to bring up the background of the JVC so you can see it along side the InFocus):

Click Image to Enlarge

Click to enlarge. so close. Both are from The Dark Knight, the first is a production company logo at the very start (on a black background), and the second a night scene in Gotham. Both are a bit overexposed so you can better compare black levels (click to enlarge).

Click Image to Enlarge

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