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 long range laser rangefinder is capable of measuring distance up to 20 km; mounted on a tripod with an angular mount. The resulting system also provides azimuth and elevation measurements. A laser rangefinder is a rangefinder which uses a laser beam to determine the distance to an object. The most common form of laser rangefinder operates on the time of flight principle by sending a laser pulse in a narrow beam towards the object and measuring the time taken by the pulse to be reflected off the target and returned to the sender.