A refracting telescope (also called a refractor) is a type of optical telescope that
uses a lens as its objective to form an image The refracting telescope design was
Optical telescopes may be divided into two general categories: (1) refracting
telescopes that use lenses to gather and focus light, and (2) reflecting telescopes
How Refraction WorksLight travels through a vacuum at its maximum speed of
about 3.0 × 108 m/s, and in a straight path. Light travels at slower speeds through
Our refractor telescopes provide crisp, high-contrast views of bright targets like
the Moon, planets, and terrestrial subjects. Shop online!
Refracting Telescopes: Commonly known as refractors, telescopes of this kind
are used to examine the visible-light region of the electromagnetic spectrum.
Jan 7, 2011 ... The part of the telescope that gathers the light, called the objective, determines
the type of telescope. A refractor telescope uses a glass lens as ...
Galileo wasn't the first to build the device that would become known as the
telescope, but he seems to have been the first to use it to study the heavens. In
Above: Optical layout of a typical refractor. When most people think "telescope"
they think of a refractor. The very first telescopes, including Galileo's, were ...
Results 1 - 24 of 607 ... Celestron 21061 AstroMaster 70AZ Refractor Telescope ... Orion 10034
GoScope II 70mm Refractor Travel Telescope Moon Kit (Burgundy).
The astronomical telescope makes use of two positive lenses: the objective,
which forms the image of a distant object at its focal length, and the eyepiece,