Mechanical focus
11microelectromechanical system — mechanical parts and electronic circuits combined to form miniature devices, typically on a semiconductor chip, with dimensions from tens of micrometres to a few hundred micrometres (millionths of a metre). Common applications for MEMS… …
12History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… …
13Nikon F-mount — The Nikon F of 1959 embodies the original F mount. Type Bayonet External diameter 44 mm Tabs 3 Flange 46.5 …
14microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… …
15education — /ej oo kay sheuhn/, n. 1. the act or process of imparting or acquiring general knowledge, developing the powers of reasoning and judgment, and generally of preparing oneself or others intellectually for mature life. 2. the act or process of… …
16Nikkormat — Nikomat Nikomat FT Type 35mm SLR camera Lens mount Nikon F mount Focus manual Exposure Man …
17Ellipse — Elliptical redirects here. For the exercise machine, see Elliptical trainer. This article is about the geometric figure. For other uses, see Ellipse (disambiguation). Not to be confused with ellipsis. An ellipse obtained as the intersection of a… …
18History of Georgia Tech — An early photograph of Georgia Tech depicts the shop building (left) and Tech Tower (right). The history of the Georgia Institute of Technology can be traced back to Reconstruction era plans to develop the industrial base of the Southern United… …
19Canon EF lens mount — The EF lens mount allows all the Canon EF lenses to be used on any of the Canon EOS line of cameras made by Canon Inc.Unlike the EF s breech lock predecessor, the FD mount, the EF mount uses a bayonet style mount. EF stands for Electro Focus :… …
20earthquake — /errth kwayk /, n. 1. a series of vibrations induced in the earth s crust by the abrupt rupture and rebound of rocks in which elastic strain has been slowly accumulating. 2. something that is severely disruptive; upheaval. [1300 50; ME erthequake …
