The 25 Best Online Colleges For 2016-2017. 7.1 million Americans took for-credit classes online in 2013, with a large portion of these students completing their entire degree online. Online education is relatively new, but now itâs mainstream. There are more online colleges than ever, increasing competition, offerings, and overall value for students.
An electronic viewfinder (EVF) is a camera viewfinder where the image captured by the lens is projected electronically onto a miniature display. The image on this display is used to assist in aiming the camera at the scene to be photographed.
A telescopic sight, commonly called a scope, is a sighting device that is based on an optical refracting telescope.he first experiments directed to give shooters optical aiming aids go back to the early 17th century. For centuries different optical aiming aids and primitive predecessors of telescopic sights were created that had practical or performance limitations.