Who invented the first telescope?

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2010-04-16 16:02:11

The invention of the telescope is credited to Hans

Lippershey. Crude telescopes and spyglasses may have been

created much earlier by Dutch opticians, but Lippershey is believed

to be the first to apply for a patent for his design. His telescope

was made up of one convex lens and one concave lens.

Galileo Galilei perfected it by using two convex lenses. He

constructed his first telescope in 1609. This telescope is called

the Galilean telescope or the refracting telescope.

Isaac Newton invented a telescope which used two mirrors. He

constructed his first telescope in 1669. His version of the

telescope was called the Newtonian telescope or the reflecting


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