Sentence examples for refracting telescope from inspiring English sources
noun
A telescope which produces a magnified image by refracting light through a series of lenses housed in a tube, with a light-gathering objective lens at one end and an eyepiece at the other.
refracting telescope A telescope which uses a lens to gather and focus light from a distant object.
The 38-centimetre (15-inch) refracting telescope was in 1839 the largest in the world, and the observatory was notable from the beginning for the quality of observations made there.
John Dollond, (born June 10 , 1707 London, Eng. died Nov. 29/30, 1761, London), British maker of optical and astronomical instruments who developed an achromatic (non-colour-distorting) refracting telescope and a practical heliometer, a telescope that used a divided lens to measure the Sun's diameter and the angles between celestial bodies.
On September 30, 1880 Henry Draper used the new dry plate photographic process with an 11-inch (28 cm) refracting telescope to make a 51-minute exposure of the Orion Nebula, the first instance of astrophotography of a nebula in history.
It contains the largest refracting telescope (40 inches [1 metre]) in the world.
The special events throughout the Island include one in Centerport: the Vanderbilt Planetarium's "2001 -- A Vanderbilt Odyssey" at 9 p.m. with dancing to a disc jockey, hors d'oeuvres, beverages, video shows on the planetarium's dome and the chance to view the heavens through reflecting and refracting telescopes throughout the evening (631) 854-5529.
Remember that "binoculars are actually nothing more than two small refracting telescopes mounted side by side" and are much more portable, and cheaper, than the average telescope.
It can be observed only in coloured, doubly refracting crystals.
Microscopes of this type feature reflecting rather than refracting objectives.
refracting into a mirror of granite. in touch.
