mirror aperture


mirror aperture
раскрытие зеркала

English-Russian dictionary of telecommunications. 2015.

Смотреть что такое "mirror aperture" в других словарях:

  • Mirror cut-off — is a term used in photography for a problem that can occur within a reflex camera. This occurs when the mirror in the camera is smaller than the focusing screen and using long (telephoto) lenses. When light exits a non telephoto lens, the light… …   Wikipedia

  • Aperture masking interferometry — is a form of speckle interferometry, allowing diffraction limited imaging from ground based telescopes. This technique allows ground based telescopes to reach the maximum possible resolution, allowing ground based telescopes with large diameters… …   Wikipedia

  • Aperture — For other uses, see Aperture (disambiguation). f stops demonstrated on a lens …   Wikipedia

  • Mirror support cell — This article is about telescope mirror support cells. For the neurological colloquialism mirror cell , see Mirror neuron. Mirror of the Large Binocular Telescope In astronomy the mirror support cell more commonly mirror cell is the component of a …   Wikipedia

  • aperture — noun Etymology: Middle English, from Latin apertura, from apertus, past participle of aperire to open Date: 15th century 1. an opening or open space ; hole 2. a. the opening in a photographic lens that admits the light b …   New Collegiate Dictionary

  • aperture — the diameter of an opening; the diameter of the primary lens or mirror of a telescope …   Mechanics glossary

  • Numerical aperture — The numerical aperture with respect to a point P depends on the half angle θ of the maximum cone of light that can enter or exit the lens. In optics, the numerical aperture (NA) of an optical system is a dimensionless number that characterizes… …   Wikipedia

  • Advanced Technology Large-Aperture Space Telescope — The Advanced Technology Large Aperture Space (ATLAS) Telescope [ What Will Astronomy Be Like in 35 Years? Astronomy magazine, August, 2008] is a proposed 8 to 16 meter (320 to 640 inch) optical space telescope that if approved, built, and… …   Wikipedia

  • Pellicle mirror — A pellicle mirror is a semi transparent mirror used in a single lens reflex camera: some of the light is reflected through the pentaprism towards the viewfinder, while the rest is transmitted to the film plane.Pellicle mirrors offer some of the… …   Wikipedia

  • Segmented mirror — A segmented mirror is an array of smaller mirrors designed to act as a single, larger mirrored surface, usually used in large telescopes. Because current monolithic mirrors cannot be constructed larger than about eight meters in diameter, the use …   Wikipedia

  • Newtonian telescope — The Newtonian telescope is a type of reflecting telescope invented by the British scientist Sir Isaac Newton (1642–1727), using a concave primary mirror and a flat diagonal secondary mirror. Newton’s first reflecting telescope was completed in… …   Wikipedia


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