= 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.
StarFinder Green Laser Pointer is here. #SFTP - Telrad Base Adapter Plate - Click to enlarge. #SFME - Starfinder Mount with Base Rail and Dovetail for Explore Scientific and Meade finder shoes. #SFM2 - Starfinder Mount with Base Rail and Dovetail for Synta/Orion Finder Bases. #SFMD - With Camera Hotshoe Foot. Mounted on a universal rail on a Dob.