Keplerian telescope — An Etymological Dictionary of Astronomy and Astrophysics

Keplerian telescope

دوربین ِ کپلر، تلسکوپ ِ ~

durbin-e Kepler, teleskop-e ~ (#)

Fr.: télescope de Kepler

A → refracting telescope which has simple → convex lenses for both → objective and → eyepiece. It suffers from → chromatic aberration, which can be reduced by increasing the → focal ratio. It was first devised by Kepler in 1615.

See also: → Keplerian; → telescope.

An Etymological Dictionary of Astronomy and Astrophysics