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Having talked enough about the LP2480zx's features and design it's about time we talk about its performance, though in all honesty there's little more one can say other than…wow. It might not be the most eloquent piece of commentary, but that doesn't make it any less true. In all our time with this monitor we never managed to find a definable and clear weakness. That isn't to say none exist. If you had a lab full of equipment and all the time in the world we're sure you could find something, but the LP2480zx ultimately lives up to its heavily publicised billing.
Colour scales and gradients are uniformly faultless, as are grey-scales, with no sign of any dithering - just as you would expect. Colours are vibrant, clean and true, while panel uniformity was excellent and there was nary a hint of backlight bleed. Consequently, black levels are outstanding, easily the best we've seen on an LCD monitor, while text was sharp and perfectly legible all the way down to 6.8 point Arial.
This excellence in static imagery is matched by its handling of motion and high definition video. Motion is smooth and stutter-free with no tearing and though there is a tiny amount of blurring present in panning shots, it's very slight indeed and is somewhat inherent in LCD technology anyway. There is an overdrive mode present in the LP2480zx, but it is turned off by default and we kept it off for our testing, too.
In the carnival scene from Ghost in the Shell 2: Innocence, the complex and vivid palette was produced flawlessly, as were the slow and difficult to produce panning shots. Moving to Spiderman 3 on Blu-ray, Spidey's costume looked resplendent in both its colour and detail, while the romantic (though woodenly acted!) park scene where Dunst and Maguire gaze at the stars demonstrated the LP2480zx's prowess at producing plenty of background detail in a dark scene as well.
Viewing angles are a traditional strength of IPS panels and this is no less true with the LP2480zx. Quoted as 178 degrees in both horizontal and vertical planes, we found very little loss of contrast even at acute angles and colours also remained pleasingly faithful.
Overall, as we've already highlighted, there's very little a layman could ever find fault with and professionals will no doubt be just as pleased. Indeed, applying an arbitrary number to its "image quality" seems a little futile, since we can't easily compare it against anything we've seen before, or fairly judge any other display against it.
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