pupil (optics)

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• optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …   Universalium

• Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of …   Wikipedia

• pupil — pupil1 pupilless, adj. /pyooh peuhl/, n. 1. a person, usually young, who is learning under the close supervision of a teacher at school, a private tutor, or the like; student. 2. Civil Law. an orphaned or emancipated minor under the care of a… …   Universalium

• Pupil (disambiguation) — The pupil is the variable sized, black circular opening in the centre of the iris.Pupil may also refer to:*Pupil, another term for a student *Pupil (band), a Filipino rock band *Pupil, a trainee Barrister (England and Wales) *The terms Entrance… …   Wikipedia

• Pupil magnification — The pupil magnification of an optical system is the ratio of the diameter of the exit pupil to the diameter of the entrance pupil. The pupil magnification is used in calculations of exposure. For all symmetric lenses, and for many conventional… …   Wikipedia

• Optics and vision — Contents 1 Visual perception 1.1 Human Visual system 1.2 Human eye 1.3 Visual acuity 2 …   Wikipedia

• entrance pupil — noun : the stop in an optical instrument or the virtual image of the stop that determines the angular diameter of the bundle of rays traversing the instrument from a given point in the object space compare exit pupil * * * Optics. the image of… …   Useful english dictionary

• History of optics — Optics began with the development of lenses by the ancient Egyptians and Mesopotamians, followed by theories on light and vision developed by ancient Greek and Indian philosophers, and the development of geometrical optics in the Greco Roman… …   Wikipedia

• Index of optics articles — Optics is the branch of physics which involves the behavior and properties of light, including its interactions with matter and the construction of instruments that use or detect it.[1] Optics usually describes the behavior of visible,… …   Wikipedia

• exit pupil — Optics. the ridge of the entrance pupil of an optical system, indicating the place where the pupil of the eye should be placed to view the object. Also called eye point. * * * …   Universalium

• entrance pupil — Optics. the image of the aperture viewed from the objective of an optical system limiting the rays that enter the system. Cf. exit pupil. * * * …   Universalium