Panasonic TX-P50VT50

[gkontoletas]

Το πρώτο review της σειράς VT50.

The Panasonic VT50 will leave you gasping in awe because for movie watching it has no equal. With its mighty dynamic range, deep rewarding blacks and astonishingly accurate colour palette, there simply is nothing that competes on the market today. It won't be for everyone but for anyone interested in seeing video at its best, it's a must see!

http://www.avforums.com/reviews/Pan...-Flagship-3D-Plasma-TV-Review_282/Review.html

 

[gkontoletas]

Απάντηση: Panasonic TX-P50VT50

Μερικά σημεία με ενδιαφέρον από το review...

What we did notice about the new driving system however, is that it does produce more dither in the picture to produce those extra gradations. It’s only noticeable in dark scenes and isn’t overly visible from more than about 6ft from the screen, but it is there and some may be slightly put off by it. Panasonic’s are fabled for their clean images and whilst this mostly holds true for the VT50, there is an increase in PWM noise near black, similar to the LG plasma’s but less noticeable.

If the 50Hz bug was as big an issue as ever, we perhaps witnessed just a slight reduction in Dynamic False Contouring at 50Hz. Again, it’s still there, but we had to be looking out for it to spot it. The most common thing to notice DFC with is on skintones, which will exhibit red and green stripes to the contours of cheekbones, arms etc, often – but not always – under panning. Having spent a ridiculous amount of, highly enjoyable, time going through our Blu-ray collection and streaming ‘extra high quality HD’ from the Netflix USA site, we can confirm the DFC issues are largely confined to 50Hz material, if not totally. Again, setting IFC to its Max strength largely put paid to the contouring at the expense of looking otherwise very odd.

The topic generating most consternation of all on the Forums was one we’d not traditionally associate with plasma technology and that is the one of screen uniformity. We have no idea on the actual scale of the problem – internet forums give a false sense of perspective – but we do know enough of our members suffered issues with green splats and tinges and purple clouding to know instances were reasonably common. Following feedback from us, Panasonic undertook a testing campaign and issued an EEPROM update to those that were suffering in an attempt to alleviate the problems. It has seemed to work (or otherwise) to various degrees of success but what it has done, seemingly, is alerted Panasonic in time for them to sort out the manufacturing issues with the 2012 ranges. Steve Withers gave the ST50’s screen uniformity a clean bill of health and we’re very happy to report the same goes for the TX-P50VT50. Not a tint, not a smear, not a splodge. Perfect.

So, how does 2500 FFD perform? Let’s start with the REALLY good. Black levels are simply insane and by far the largest deciding factor on how they’ll look in your home will be the ambient lighting conditions of your room. The black is so deep, in fact, we couldn’t get anything like an accurate reading with a full black pattern on screen but we did manage to measure it at 0.0095 cd/m2 on an ANSI checkerboard pattern. We don’t necessarily even trust that measurement, however, but what we do trust is our eyes and, in a blackened out room side by side with a 2010 Panasonic plasma, it absolutely wiped the floor with its predecessor. Are we saying their up with the best of the Kuro’s? Probably not quite on full screen black patterns but the dynamic range is up there with them and you’d need to be in the proverbial bat-cave room to pick them apart.

 

[gstriftos]

Απάντηση: Panasonic TX-P50VT50

Aπίστευτες επιδόσεις out of the box!
Πιθανόν αχρείαστο το καλιμπράρισμα αν δεν υπάρχει bat cave χώρος..

 

[macfm]

Απάντηση: Panasonic TX-P50VT50

εχουμε καθολου μετρησεις μαυρου σε σχεση με κουρο? παντως φαινεται να δινει τη χαρηστικη βολη σε μια θρυλικη τηλεοραση,,,

 

[Zizik]

Καιρός δεν ήταν? :126:

 

[gstriftos]

Απάντηση: Panasonic TX-P50VT50

The black is so deep, in fact, we couldn’t get anything like an accurate reading with a full black pattern on screen but we did manage to measure it at 0.0095 cd/m2 on an ANSI checkerboard pattern. We don’t necessarily even trust that measurement, however, but what we do trust is our eyes and, in a blackened out room side by side with a 2010 Panasonic plasma, it absolutely wiped the floor with its predecessor. Are we saying their up with the best of the Kuro’s? Probably not quite on full screen black patterns but the dynamic range is up there with them and you’d need to be in the proverbial bat-cave room to pick them apart.

...

 

[gstriftos]

Απάντηση: Panasonic TX-P50VT50

http://www.hdtvtest.co.uk/news/panasonic-tx-p50vt50b-p50vt50-201204101757.htm

Panasonic Plasma TVs do not use auto-dimming tricks with black screens, and keep the panel running when a fully black source is input. Many LED LCD televisions turn the lighting off in these circumstances, returning a measurement of pure black (0 cd/m2), a trick which is obviously of no use at all for actually watching the TV. Under these conditions, the TX-P50VT50 returned a measurement of 0.009 cd/m2 – the exact same breathtakingly dark black that we saw on the ST50 series we measured weeks ago.
For total thoroughness, we should mention that, after displaying a brighter screen and jumping back to the fully black screen, blacks would initially measure at around 0.012 cd/m2. After a couple of seconds, the measurement would stabilise at 0.009 cd/m2. Our best guess is that this is caused by phosphor afterglow. The difference of 0.003 is unnoticeable to the eye, but we mention this given how contested black level measurements can become.

With the ANSI checkerboard test pattern, which places a central black patch in the middle of the screen surrounded by full-white boxes (and therefore gives a much better indication of real world performance), the TX-P50VT50B returned a black of 0.012 cd/m2, which is not visibly higher than the full black screen measurement. Once again, this was the exact same result we saw from the TX-P42ST50.

 

[gstriftos]

Απάντηση: Panasonic TX-P50VT50

TX-P55VT50B

The P55VT50B is a fantastic display that delivers the kind of performance that enthusiasts are looking for, without the need to resort to expensive professional monitors or second hand TVs with none of today's modern features. Panasonic have set the bar high this year and the VT50 thoroughly deserves its reference status.

As anyone who has read Mark's review of the P50VT50B will know, these TVs are capable of the kind of inky blacks that Panasonic's competitors can only dream about. The P55VT50B was no exception and the blacks were so deep, in fact, that we found it difficult to get a reliably accurate reading with a full screen black pattern. We did however manage to measure it at 0.009 cd/m2 on an ANSI checkerboard pattern, with Cinema, THX and Pro modes.

Of course, measurements aren't everything and when watching familiar material in a completely dark room, both the blacks, brightness and overall dynamic range were equally as impressive. In a side-by-side comparison of the P55VT50B and our previous reference TV - the Pioneer Kuro - there really was little to differentiate them. The Panasonic had a cleaner image, with less PWM noise but the Kuro had less dynamic false contouring. However in terms of blacks levels and contrast, the two displays looked almost identical. Of course there are one or two big differences, the Kuro isn't 3D capable, nor does it have any Smart TV features. Times have moved on and, image quality aside, the Kuro is beginning to look like what it is, a three year old TV that you can't buy anymore.

Are the images produced by the P55VT50VB absolutely perfect? No, of course not, but then no consumer electronics product is ever going to be perfect and even plasma has limitations to the technology. As far as these limitations are concerned, we had no problems with image retention or flicker and whilst there was still some dynamic false contouring, it was only visible occasionally. We didn't see any line bleed, nor did we experience any colour flashes although people who are susceptible to rainbows might. We also didn't have any problems with screen uniformity or green blobs and as far as brightness pops and floating blacks are concerned, these appear to be a thing of the past. Whilst could still occasionally see evidence of the 50Hz bug, we were generally never aware of it and it certainly didn't detract from our enjoyment of the wonderful images being produced by the P55VT50B

 

[gstriftos]

Απάντηση: Panasonic TX-P50VT50

http://www.avforums.com/forums/plasma-tvs/1619948-panasonic-50-series-faults-poll.html

 

[Zizik]

Banding και line bleed, υποπτεύομαι ότι θα είναι σε μεγάλο βαθμό θέμα ρύθμισης.