Colored engraving of Newton's reflecting telescope - Stock Image - R102/0056 - Science Photo Library
![Sir Isaac Newton's reflecting telescope, known also as the Newtonian telescope. It worked by concentrating light by reflection from a parabolic mirror, instead of by refraction through a lens. Newton (1642-1727) first Sir Isaac Newton's reflecting telescope, known also as the Newtonian telescope. It worked by concentrating light by reflection from a parabolic mirror, instead of by refraction through a lens. Newton (1642-1727) first](https://c8.alamy.com/comp/2BE0YWT/sir-isaac-newtons-reflecting-telescope-known-also-as-the-newtonian-telescope-it-worked-by-concentrating-light-by-reflection-from-a-parabolic-mirror-instead-of-by-refraction-through-a-lens-newton-1642-1727-first-displayed-this-telescope-to-king-charles-ii-based-on-a-design-of-1668-it-had-a-focal-length-of-15cm-and-could-magnify-30-40-times-inadequate-mirrors-meant-that-the-newtonian-reflector-was-not-as-refined-as-contemporary-refracting-telescope-until-1722-when-james-haley-ground-a-quality-parabolic-mirror-this-drawing-was-published-in-the-philosophical-transactions-of-the-royal-2BE0YWT.jpg)
Sir Isaac Newton's reflecting telescope, known also as the Newtonian telescope. It worked by concentrating light by reflection from a parabolic mirror, instead of by refraction through a lens. Newton (1642-1727) first
![Newton's telescope. 1668. Sir Isaac Newton Wall Art, Canvas Prints, Framed Prints, Wall Peels | Great Big Canvas Newton's telescope. 1668. Sir Isaac Newton Wall Art, Canvas Prints, Framed Prints, Wall Peels | Great Big Canvas](https://airs.art-api.com/rm/?image=https%3A%2F%2Fstatic.greatbigcanvas.com%2Fimages%2Fflat%2Feverett-collection%2Fnewtons-telescope-1668-sir-isaac-newton%2C1994351.jpg%3Fmw%3D600%26mh%3D600%26max%3D600&group=traditional&iw=12&ih=16&maxSize=1000)
Newton's telescope. 1668. Sir Isaac Newton Wall Art, Canvas Prints, Framed Prints, Wall Peels | Great Big Canvas
![This is a replica of the first reflecting telescope made by Sir Isaac Newton (1642-1727) and shown to the Royal Society in 1668. Newton's telescope us... - SuperStock This is a replica of the first reflecting telescope made by Sir Isaac Newton (1642-1727) and shown to the Royal Society in 1668. Newton's telescope us... - SuperStock](https://cdn.superstock.com/1895/Comp/1895-3760.webp)