- optically-flat glass
- Космонавтика: оптическое стекло, не создающее искажений
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
Glass — This article is about the material. For other uses, see Glass (disambiguation). Moldavite, a natural glass formed by meteorite impact, from Besednice, Bohemia … Wikipedia
Optical flat — Optical flats in case. About 1 inch (2.5 cm) in diameter … Wikipedia
Newton's rings — observed through a microscope. The smallest increments on the superimposed scale are 100μm … Wikipedia
photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… … Universalium
Eyeglass prescription — Using a phoropter to determine a prescription for eyeglasses An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist or ophthalmologist, that specifies the value of all parameters the prescriber has deemed… … Wikipedia
Cassegrain reflector — The Cassegrain reflector is a combination of two coaxial reflectors used in Cassegrain telescopes and radio antennas.First developed in 1672 by Laurent Cassegrain, this reflector is a combination of a primary concave mirror and a secondary convex … Wikipedia
Boeing RC-135 — RC 135 An RC 135 Rivet Joint reconnaissance aircraft moves into position behind a KC 135 Stratotanker for aerial refueling. Role … Wikipedia
Supermarine Spitfire (early Merlin powered variants) — Infobox Aircraft name =Spitfire type =Fighter manufacturer =Supermarine caption =Spitfire Vc launching from USS Wasp designer =R. J. Mitchell first flight =5 March 1936 introduction =1938 retired =1955, RAF status = primary user =Royal Air Force… … Wikipedia
Polarimetry — is the measurement and interpretation of the polarization of transverse waves, most notably electromagnetic waves, such as radio waves and light. Typically polarimetry is done on electromagnetic waves that have traveled through or reflected,… … Wikipedia
Aircraft of the Battle of Britain — The Battle of Britain (German: [http://de.wikipedia.org/wiki/Luftschlacht um England Luftschlacht um England ] ) was an effort by the German Luftwaffe during during the summer and autumn, 1940 to gain air superiority over the United Kingdom in… … Wikipedia
Optical coating — Optically coated mirrors and lenses. An optical coating is one or more thin layers of material deposited on an optical component such as a lens or mirror, which alters the way in which the optic reflects and transmits light. One type of optical… … Wikipedia