astronomic lens

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Field Flattener Lens — Field flattener lenses are used in modern binocular designs (e.g. Canon 10 x 42 L IS WP, 18 x 50 IS All Weather and Swarovski EL 8.5 x 42, EL 10 x 42) and in astronomic telescopes.Field flattener lenses in binoculars improve edge sharpness and… … Wikipedia
printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… … Universalium
Zenit (camera) — This article is about the Russian camera brand. For the astronomic or geodetic instruments directed to the zenith, see Zenith camera. : For other uses, see Zenit (disambiguation). Zenit is a Russian (and formerly Soviet) camera brand manufactured … Wikipedia
Rubinar — ( ru. Рубинар) is a Soviet lens series with long focal lengths developed and produced by JSC Lytkarino Plant of Optical Glass (LZOS).Rubinar lenses can be used with modern cameras by using an M42 adaptor.Focusing motor automata is absent (manual… … Wikipedia

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