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One of the more significant external changes with the D3 (and the D300) is a new large, high resolution LCD monitor. It has four times the number of dots than the 230,000 unit used on the D2X and other such cameras. For clarity, the words pixels and dots are interchanged almost randomly in specification sheets but strictly speaking we should talk of dots (these being red, green or blue sub-pixels) when referring to the figures quoted by manufacturers. The D3's LCD has 921,600 dots, 1920 columns by 480 rows, the dots are a third thinner than they are high and so each group of three dots (sub-pixels) make up one full color pixel.
This high resolution screen really has to be seen to be appreciated, it's beautifully detailed and extremely smooth in appearance because the tiny gaps between dots are too small to be seen with the eye. This extra detail is obvious in Live view and playback modes where you really can see much 'more' of the image in one glance. Another difference comes when you magnify in playback as you find you don't need to magnify the image as much before you can clearly see sharpness, focus accuracy and even noise.
One other difference between the D3/D300's screen and that used previously is the layout of the dots (sub-pixels), this new screen has the same layout as your computer LCD, a simple RGB layout with all rows the same ('stripe array'). The other layout used on small LCD screens is the 'delta array' which uses an RGB pattern on one row then a BRG pattern on the row below, offset by half a pixel.
http://www.dpreview.com/reviews/nikond3/page3.aspПодробнее
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