telescopic spectacles
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spectacles — Lenses set in a frame that holds them in front of the eyes, used to correct errors of refraction or to protect the eyes. The parts of the s. are the lenses; the bridge between the lenses, resting on the nose; the rims or frames, encircling the… … Medical dictionary
Dmitri Dmitrievich Maksutov — (Russian:Дмитрий Дмитриевич Максутов) (OldStyleDate|23 April|1896|11 April August 12 1964) was a Soviet/Russian optician and astronomer. He is best known as the inventor of the Maksutov telescope.Dmitri Dmitriyevich Maksutov was born in the… … Wikipedia
Dmitry Dmitrievich Maksutov — Dmitri Dmitrievich Maksutov Dmitry Dmitrievich Maksutov (Russian: Дмитрий Дмитриевич Максутов) (23 April [O.S. 11 April] 1896 12 August 1964) was a Russian / Soviet optical engineer and amateur astronomer. He is best know … Wikipedia
Optician — An optician uses a lensometer to check eye glasses. An optician is a person who is trained to fill prescriptions for eye correction in the field of medicine … Wikipedia
Pince-nez — Theodore Roosevelt wearing a C bridge type pince nez Spanish … Wikipedia
List of Russian people — The Millennium of Russia monument in Veliky Novgorod, featuring the statues and reliefs of the most celebrated people in the first 1000 years of Russian history … Wikipedia
History of the telescope — The earliest known working telescopes appeared in 1608 and are credited to Hans Lippershey and Zacharias Janssen, spectacle makers in Middelburg, and Jacob Metius of Alkmaar. The design of these early refracting telescopes consisted of a convex… … Wikipedia
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
optical instrument — noun an instrument designed to aid vision • Hypernyms: ↑instrument • Hyponyms: ↑binoculars, ↑field glasses, ↑opera glasses, ↑esophagoscope, ↑oesophagoscope, ↑jeweler s glass … Useful english dictionary
Carl Zeiss AG — Infobox Company name = Carl Zeiss AG type = Aktiengesellschaft foundation = Jena, Germany (1846) location = flagicon|GEROberkochen, Germany slogan = We make it visible key people = Dr. Dieter Kurz, CEO and President num employees = 12,844 (March… … Wikipedia
Lensman series — The Lensman series is a serial science fiction space opera by E. E. Smith. It was also the original source which introduced many innovative concepts into science fiction. In this sense the series was ground breaking and defined an entire genre.… … Wikipedia
