Erect image

Erect image

An erect image, in optics, is one that appears right-side up. Some telescopes and other devices, such as the camera obscura present an upside down image. Various means are used to achieve an erect image.


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Look at other dictionaries:

  • Erect image — Прямое [незеркальное] изображение …   Краткий толковый словарь по полиграфии

  • erect image — virtual i …   Medical dictionary

  • erect image — upright figure …   English contemporary dictionary

  • erect — erectable, adj. erectly, adv. erectness, n. /i rekt /, adj. 1. upright in position or posture: to stand or sit erect. 2. raised or directed upward: a dog with ears erect. 3. Bot. vertical throughout; not spreading or declined: an erect stem; an… …   Universalium

  • erect — /əˈrɛkt / (say uh rekt), /i / (say ee ) adjective 1. upright in position or posture: an erect stance. 2. raised or directed upwards: a dog with ears erect. 3. Botany vertical throughout; not spreading or declined: an erect stem; an erect leaf; an …  

  • erect — e•rect [[t]ɪˈrɛkt[/t]] adj. 1) upright and straight in position or posture: to sit erect[/ex] 2) raised or directed upward or outward: a dog with ears erect[/ex] 3) (of an organ or part) in a state of physiological erection 4) bot (of a plant… …   From formal English to slang

  • erect — I. adjective Etymology: Middle English, from Latin erectus, past participle of erigere to erect, from e + regere to lead straight, guide more at right Date: 14th century 1. a. vertical in position; also not spread out or decumbent < an erect… …   New Collegiate Dictionary

  • image — 1. Representation of an object made by the rays of light emanating or reflected from it. 2. Representation produced by x rays, ultrasound, tomography, thermography, radioisotopes, etc. 3. To produce such representations. [L. imago, likeness]… …   Medical dictionary

  • virtual image — n an image (as seen in a plane mirror) formed of virtual foci * * * a picture from projected light rays that are intercepted before focusing, as by a plane mirror; it cannot be received on a screen, and it has the same orientation as the object.… …   Medical dictionary

  • photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such …   Universalium

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