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41Focal Length — WikiV The distance from the focal point to the principal point of the lens. The focal length is usually measured in millimeters of the lens. Focal length is an indication of the lens capability to capture a wide angle of view or a narrow view of… …
42The Fabric of the Cosmos — Infobox Book name = The Fabric of the Cosmos: Space, Time, and the Texture of Reality title orig = translator = image caption = author = Brian Greene illustrator = cover artist = country = language = English series = subject = genre = Non fiction …
43focal distance — (of the eye) the distance between the lens and the point behind the lens at which light from a distant object is focused. In a normally sighted person the point of focus is on the retina, but in myopia (short sightedness) the focus is in front of …
44point — See minimum price fluctuation. The CENTER ONLINE Futures Glossary See basis point. American Banker Glossary The smallest unit of price change quoted, or one one hundredth of a percent. Related: minimum price fluctuation and tick. Bloomberg… …
45Point Judith Light — Infobox Lighthouse caption = Point Judith Light, Rhode Island, shown at sunset location = Narragansett, Rhode Island coordinates = coord|41|21|39.7|N|71|28|53|W|region:US type:landmark yearlit = 1857 automated = 1954 yeardeactivated = Active… …
46focal length — /ˈfoʊkəl lɛŋθ / (say fohkuhl length) noun 1. (of a mirror or lens) the distance from the optical centre to the focal point. 2. (of a telescope) the distance between the object lens and its corresponding focal plane …
47Focal Plane — WikiV A plane (through the focal point) at right angles to the principal point of the lens …
48focal plane — In photography, an image line at right angle to the optical axis passing through the focal point. This forms the plane of sharp focus when a camera is set on infinity. Also see aperture, camera, focal length, and f/stop …
49focal — adjective (only before noun) 1 the focal point, issue etc is the thing that people pay most attention to 2 focal attention/awareness the main part of your attention when you are looking at or thinking about something …
50The Supremes — This article is about the Motown singing group. For The West Wing episode, see The Supremes (The West Wing) …
