front focal plane
81Canon EOS-1D Mark III — Infobox Digicam model = Canon EOS 1D Mark III | kind = Single lens reflex sensor = CMOS res = 3,888 times; 2,592 (10 million) lens = Interchangeable (EF) shutter = Vertical travel, mechanical, focal plane shutter with all speeds electronically… …
82Autofocus — For the film of the same name, see Auto Focus. An autofocus (or AF) optical system uses a sensor, a control system and a motor to focus fully automatic or on a manually selected point or area. An electronic rangefinder has a display instead of… …
83Gobo (lighting) — For other uses, see Gobo (disambiguation). A gobo in a gobo holder, which goes in a stage lighting instrument. The discolored portion is oxidation of the stainless steel caused by the high temperature of the lamp, but the gobo is still usable. A… …
84Devils Island Light — Location Devils Island, Wisconsin Coordinates 47°04′48″N 90°43′42″W …
85Milwaukee Pierhead Light — Location Milwaukee, Wisconsin Coordinates …
86Cellular neural network — Cellular neural networks (CNN) are a parallel computing paradigm similar to neural networks, with the difference that communication is allowed between neighbouring units only. Typical applications include image processing, analyzing 3D surfaces,… …
87shutter — shutterless, adj. /shut euhr/, n. 1. a solid or louvered movable cover for a window. 2. a movable cover, slide, etc., for an opening. 3. a person or thing that shuts. 4. Photog. a mechanical device for opening and closing the aperture of a camera …
88Computed tomography — tomos (slice) and graphein (to write).Computed tomography was originally known as the EMI scan as it was developed at a research branch of EMI, a company best known today for its music and recording business. It was later known as computed axial… …
89Optical microscope — Microscope Uses Small sample observation Notable experiments Discovery of cells Inventor Hans Lippershey Zacharias Jans …
90Maksutov telescope — A 150mm aperture Maksutov Cassegrain telescope. The Maksutov is a catadioptric telescope design that combines a spherical mirror with a weakly negative meniscus lens in a design that takes advantage of all the surfaces being nearly spherically… …
