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Telescope vs Optigraph - What's the difference?

telescope | optigraph |

As nouns the difference between telescope and optigraph

is that telescope is a monocular optical instrument possessing magnification for observing distant objects, especially in astronomy while optigraph is a telescope with a diagonal eyepiece, suspended vertically in gimbals by the object end beneath a fixed diagonal plane mirror. It is used for delineating landscapes by means of an attached pencil.

As a verb telescope

is to extend or contract in the manner of a telescope.

telescope

English

Noun

(en noun)
  • A monocular optical instrument possessing magnification for observing distant objects, especially in astronomy.
  • Any instrument used in astronomy for observing distant objects (such as a radio telescope).

    • Derived terms

    * telescopic * radio telescope * reflecting telescope * refracting telescope * terrestrial telescope

    Verb

    (telescop)
  • To extend or contract in the manner of a telescope.
  • To slide or pass one within another, after the manner of the sections of a small telescope or spyglass.
  • To come into collision, as railway cars, in such a manner that one runs into another.

    • See also

    * binoculars * microscope

    optigraph

    English

    Noun

    (en noun)
  • A telescope with a diagonal eyepiece, suspended vertically in gimbals by the object end beneath a fixed diagonal plane mirror. It is used for delineating landscapes by means of an attached pencil.
    • (Webster 1913)