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telescope bag
An adjustable travelling bag consisting of two cases, the larger slipping over the other.
telescope bags
plural of telescope bag
reflecting 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.
refracting telescope
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.
optical telescope
An instrument, used both for recreational and scientific purposes, which provides a magnified view of distant objects by collecting and focusing light by means of mirrors and/or optical lenses.
liquid mirror telescope
(astronomy) A type of reflecting telescope employing a parabolic liquid mirror made by spinning a pool of reflective liquid.