= 12. Semi-Interquartile Range. The semi-interquartile range of a distribution is half the difference between the upper and lower quartiles, or half the interquartile range. Therefore, from the example above, it was determined that the interquartile range = 12.
Electronic Viewfinders (EVFs) An EVF is basically a very small screen inside a viewfinder, so you can put your eye up to the viewfinder and use it like a traditional camera. On most cameras with EVFs you can switch the view between the viewfinder and the rear LCD screen interchangeably.
Camera Configuration Overview. This document describes the camera extensibility features of ESP. The camera system is highly customizable and extensible, enabling add-on providers to create interesting and useful views. There is a distinction between the view system and the camera system. The view system manages the 3D windowing system by tracking the active window, processing keyboard and mouse input and providing methods for opening new windows, selecting windows, etc. The camera system defines what appears in each view window.