- fixed power optics
- <12> оптический прицел с постоянной кратностью
Сборный англо-русский словарь. Академик.ру. 2011.
Сборный англо-русский словарь. Академик.ру. 2011.
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 and vision — Contents 1 Visual perception 1.1 Human Visual system 1.2 Human eye 1.3 Visual acuity 2 … Wikipedia
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
Lens (optics) — For other uses, see Lens. A lens. Lenses can be used to focus light. A lens is an optical device with perfect or approximate axial symmetry which tra … Wikipedia
Soliton (optics) — In optics, the term soliton is used to refer to any optical field that does not change during propagation because of a delicate balance between nonlinear and linear effects in the medium. There are two main kinds of solitons: spatial solitons:… … Wikipedia
Acousto-optics — is a branch of physics that studies the interactions between sound waves and light waves, especially the diffraction of laser light by ultrasound or sound in general.IntroductionOptics has had a very long and full history, from ancient Greece,… … Wikipedia
Telescopic sight — Scope redirects here. For other uses, see Scope (disambiguation). View through a 4x rifle scope. A telescopic sight, commonly called a scope, is a sighting device that is based on an optical refracting telescope. They are equipped with some form… … Wikipedia
Reticle — Crosshairs redirects here. For the fictional characters in Transformers, see Crosshairs (Transformers). A comparison of different reticles used in telescopic sights. The lower right represents a reticle found in the scope of a Russian SVD sniper… … Wikipedia
Alternating current — (green curve). The horizontal axis measures time; the vertical, current or voltage. In alternating current (AC, also ac) the movement of electric charge periodically reverses direction. In direct current (DC, also dc), the flow of electric charge … Wikipedia
Accuracy International Arctic Warfare — Infobox Weapon name= Accuracy International AW caption= origin=flagcountry|United Kingdom type=Sniper rifle is UK=yes is ranged=yes service=1982 (L96A1), 1988 (AW), 1990 (psg90) Current used by= See Users and civil users wars=Afghanistan War,… … Wikipedia
Multijunction photovoltaic cell — Multi junction solar cells or tandem cells are solar cells containing several p n junctions. Each junction is tuned to a different wavelength of light, reducing one of the largest inherent sources of losses, and thereby increasing efficiency.… … Wikipedia