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 videoscope is a flexible inspection instrument that consists of a flexible insertion tube with a video display at one end and an objective lens at the other.The image is produced using a CCD camera chip 1/10 th inch or smaller in diameter.The image is relayed from the inspection area to the video display electronically. An internal fiber optic light guide, or LED lighting at the objective, is used to illuminate the area being inspected.he image is relayed from the inspection area to the video display electronically. An internal fiber optic light guide, or LED lighting at the objective, is used to illuminate the area being inspected.