= 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.
Unlike the existing, DSLR version, the E-mount lens uses a stepping motor designed specifically for working with contrast-detection AF. The lens offers an image-stabilized 27-300mm equivalent field-of-view on the NEX and comes as an alternative to the Sony 18-200mm.