Originally Posted by johnddx
I went back to the store and confirmed that it's not a defective set: all VT25s are like this.
Preliminary Note: All the sets discussed here produce images of gorgeous, misty-eyed color and beauty. This is what makes plasma so attractive. The opposing issue (for people like me) is the degree to which they present temporal artifacts that some people may
be sensitive to, manifesting in eyestrain, headaches and/or nausea.
As I wrote above, I returned to the showroom to make sure that I could see the flickering and rainbow effects on the sets on display, and indeed I could.
I was able to view the VT25 in a darkened private toom, as well as on a wall of flat panels. The flicker and rainbow effects were apparent in both situations, but they were much more so in the private room, where they were apparent to the same degree I experience them at home. This helps explain how I overlooked the problem prior to buying the set, when I wasn't able to view it in a private room. It also indicates that the set presents this problem just as intensely after 1500 hours of use on a showroom floor as it does after only 100 hours at home: in other words, the problem won't reduce over time. Other people who are reporting that the symptoms go down over time are probably just able to get used to it.
Finally, I was able to compare the presentation of artifacts on the VT25 with two other sets: a Samsung PN63C8000, and a 65" Runco (whose model number I didn't care to write down on account of pricing outside of my range).Samsung PN63C8000
Runco 65" Plasma
- Side-by-side with the Panasonic VT25, it was evident that the Panny was much worse in presenting symptoms of color seperation and flickering than the Samsung.
- When I was able to look at my own content, which I know to cause problems on the VT25, the effects were reduced enough that it didn't cause me obvious eye-strain. The rainbows and flickering were still noticable, but barely so.
- Unfortunately I wasn't able to view the Samsung in a private room, but based on how it compares with the Panny, it's conceivable that I could tolerate the artifacts on the Samsung long enough to get used to the set, as other people have reportedly done with theirs. However, in a private room it is likely the effects would be more apparent, so I'd give it a 50/50.
I observed this one in a darkened private room, which should yield the worst manifestation of temporal artifacts. Yet, this set performed even better in these conditions than the Samsung. The whites were rock-solid, and I could perceive no flickering. I could still see mild (mild
) color seperation, but it was not a bother at all. I'm convinced that I could enjoy this set for long periods of time, if only I could afford it.Conclusion
As sensitive as I am to temporal artifacts like flickering and RBE (or plainbows, or color seperation, whatever you want to call them), I can say that there are differences between plasma displays. It is not sufficient to say that "these effects are germane to the plasma technology", because different manufacturers implement plasma differently, and can do so in way that presents temporal artifacts in different ways. This differences can be enough to make the artifacts tolerable, intolerable or even invisible to the same viewer. So, if you're concerned about these problems, make sure you look at all of your plasma options, don't dismiss them completely based on one experience.