The CX520 screen and NX520 screen can't be compared one is a matte screen while the other is high gloss mirror finish.
The NX520 is a low end model which based on the older BE3 engine,its also only sold in some parts of asia and is basically a BX420 with a monolithic design .
The panasonic X30 is crap when it comes to handling reflection,it looses a awful lot of contrast when ambient light hits it.
As with all plasma they are inferior in that department,with the low end models being the worst.
The NX520 is a low end model which based on the older BE3 engine,its also only sold in some parts of asia and is basically a BX420 with a monolithic design .
The panasonic X30 is crap when it comes to handling reflection,it looses a awful lot of contrast when ambient light hits it.
As with all plasma they are inferior in that department,with the low end models being the worst.
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