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en.wikipedia.org/wiki/Astronomical_interferometer

An astronomical interferometer is an array of separate telescopes, mirror segments, or radio .... When using interferometry, a complex system of mirrors brings the light from the different telescopes to the astronomical instruments where it is combined and processed. This is technically demanding as the light paths must be ...

en.wikipedia.org/wiki/Telescope

A telescope is an optical instrument that aids in the observation of remote objects by collecting ... In the 20th century many new types of telescopes were invented, including ... Telescopes may be classified by the wavelengths of light they detect: ... The catadioptric telescope which uses mirrors combined with lenses to form ...

www.answers.com/Q/Telescope_that_uses_several_mirriors_to_combine_and_focus_light

A reflecting telescope forms an image by using a combination ofcurved mirrors to focus light. It was invented as an alternative tothe refracting telescope.

www.fortworthastro.com/beginner5.html

Apr 3, 2014 ... It uses a convex glass lens (to bend light and bring it into focus. ... Different wavelengths of light focus at different points within the lens (e.g. a prism ... A reflecting telescope uses a primary convex mirror which is curved to a ... The word catadioptric is derived by combining the term for an optical system that ...

lifeng.lamost.org/courses/astrotoday/CHAISSON/AT305/HTML/AT305EOC.HTM

Reflecting telescopes use a mirror to concentrate and focus the light. ... of a telescope, and hence improve its resolution, several separate instruments may be combined ... A telescope that uses a lens to focus light is called a _____ telescope.

www.castlerock.wednet.edu/HS/stello/Astronomy/TEXT/CHAISSON/BG303/HTML/BG303EOC.htm

Reflecting telescopes use a mirror to concentrate and focus the light. ... and hence improve its resolution, several instruments may be combined into an interferometer. Using interferometry, radio telescopes can produce images much sharper ...

astronomy.nju.edu.cn/~lixd/GA/AT4/AT405/HTML/AT40501.htm

Figure 5.1 shows how a reflecting telescope uses a curved mirror to gather and ... A refracting telescope uses a lens to focus the incoming light. ... 5.2(b), we can think of a lens as a series of prisms combined in such a way that all light rays striking ... Each point on the image corresponds to a different point in the field of view.

www.encyclopedia.com/science-and-technology/astronomy-and-space-exploration/astronomy-general/telescope

The more light a telescope can gather, the more distant the objects it can detect, and .... This information is then fed back to a deformable mirror, or an array of many small ... This is still the case today, but the modern telescope no longer uses ... These new telescopes, combined with quantum-limited detectors, distortion ...

science.nasa.gov/science-news/science-at-nasa/1999/features/ast20apr99_1

Apr 20, 1999 ... Why we need different types of telescopes to look at outer space ... By using a curved mirror to reflect and focus the light inside the tube, he was ... Mexico (right) , composed of 27 antennas electronically combined to give the ...

science.howstuffworks.com/telescope1.htm

The reflector telescope, which uses mirrors instead of the lenses. Both types accomplish exactly the same thing, but in completely different ways. ... An eyepiece lens takes the bright light from the focus of the objective lens or primary mirror and ... When you combine the objective lens or primary mirror with the eyepiece, you ...