Appendix 1

Image Resolution

Resolution is measured in lines and pixels—the microdots on a computer's LCD screen, which you can see with a magnifying glass, or when you accidentally spit on the screen and notice little red, blue, and green dots in each pixel. Each of these three colors changes value, shaping the hues you see on-screen. The more pixels you have on-screen, the more detail you can see. These pixels are arranged in lines. Lines are measured top to bottom, whereas pixels are measured along the lines, left to right. As a point of comparison, the miniDV format contains about 480 lines of resolution with about 720 pixels per line, whereas 1080 HD video contains 1,080 lines with 1,920 pixels per line. In addition, the P in 1080 P indicates ...

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