Camera, Photo & Video
Digital cameras have become the fad in latest occasions. The forerunner to the photographic camera was the camera obscura Camera obscura ( Latin for “dark room”) is the natural optical phenomenon that occurs when a picture of a scene at the different facet of a display screen (or as an illustration a wall) is projected through a small hole in that screen and kinds an inverted image (left to proper and upside down) on a floor opposite to the opening.
If the f-number is decreased by a factor of √2, the aperture diameter is elevated by the same issue, and its area is increased by a factor of 2. The f-stops that is likely to be found on a typical lens include 2.eight, 4, 5.6, 8, 11, sixteen, 22, 32, where going up “one cease” (utilizing decrease f-cease numbers) doubles the quantity of light reaching the movie, and stopping down one cease halves the quantity of light.
Since being born into the world in 2004, Facebook has filed for 1000’s of know-how patents in an effort to lock down its intellectual property and, like many in the subject, stifle competitors In a search of those patents, we discovered a dozen, …