Capable of being telescoped, or expanded and contracted in sections.

telescopic

plural of telescoper

plural of radio telescope

A telescope which produces a magnified image by reflecting light through a series of mirrors housed in a tube, using a large curved mirror to gather the light and one or more additional mirrors to transmit the light to an eyepiece.

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.

(astronomy) A telescope designed to make observations of the sun.

(astronomy) A device for observing astronomical sources of radio waves, normally having one or more large parabolic dishes.

(astronomy) A telescope, having a wide field of view, comprising a thin aspheric lens and a large concave mirror

plural of Nasmyth telescope