CSI is great but the one thing that gets me annoyed about the show is this: It happens every show, where one of the characters is looking through the microscope. That character tells his or her colleague to check out what they're looking at under the microscope. The second character looks under the microscope, but the focus is always blurry and then it clears up mimicking reality in a way I guess. But if someone is looking under the scope, then tells someone to look at it too, does that person actually put the lens out of focus for them so they have to focus it again?