keplerian telescope — noun Usage: usually capitalized K : a refracting telescope usually used in astronomical observations including a positive objective lens and a positive eyepiece and giving an inverted image and a relatively wide field of view … Useful english dictionary
Optical telescope — Eight Inch refracting telescope (Chabot Space and Science Center) An optical telescope is a telescope which is used to gather and focus light mainly from the visible part of the electromagnetic spectrum for directly viewing a magnified image for… … Wikipedia
Refracting telescope — A refracting or refractor telescope is a dioptric telescope that uses a lens as its objective to form an image. The refracting telescope design was originally used in spy glasses and astronomical telescopes but is also used in other devices such… … Wikipedia
Timeline of telescope technology — Timeline of telescope technology* c.2560 BC c.860 BC Egyptian artisans polish rock crystal, semi precious stones, and latterly glass to produce facsimile eyes for statuary and mummy cases. The intent appears to be to produce an optical illusion.… … 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
Johannes Kepler — Infobox Scientist name = Johannes Kepler |175px image width = 175px caption = A 1610 portrait of Johannes Kepler by an unknown artist birth date = Birth date|1571|12|27 birth place = Weil der Stadt near Stuttgart, Germany residence = Baden… … Wikipedia
Anton Maria Schyrleus of Rheita — Anton (or Antonius) Maria Schyrleus (also Schyrl, Schyrle) of Rheita (1597 1660) (cs icon Antonín Maria Šírek z Reity) was an astronomer and optician. He developed several inverting and erecting eyepieces, and was the maker of Kepler’s telescope … Wikipedia
Richard Towneley — (10 October 1629 – 22 January 1707) was an English mathematician and astronomer from Towneley near Burnley, Lancashire. He was one of a group of seventeenth century astronomers in the north of England, which included Jeremiah Horrocks, William… … Wikipedia
Frontofocómetro — A Lensmeter in an Optical shop A simple lensmeter cross sectional view. 1 T … Wikipedia Español
Kepler — Keplerian /kep lear ee euhn/, adj. /kep leuhr/, n. 1. Johann /yoh hahn/, 1571 1630, German astronomer. 2. a crater in the second quadrant of the face of the moon having an extensive ray system: about 22 miles (35 km) in diameter. * * * ▪ United… … Universalium