Oxford Instruments WITec GmbH - Raman Microscope LB 12/25

2 suppliers

Terrestrial Telescopes

Explore 2 top manufacturers and suppliers of Terrestrial Telescopes in our comprehensive photonics buyers' guide.

A terrestrial telescope is a telescope that produces an erect image. Erection is achieved either by a lens (for a long instrument) or a prism (for a compact instrument). Very small terrestrial telescopes of low power may be of the Galilean type.

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Swarotec - Absam, Austria

Tele Vue Optics Inc. - Chester, NY

Glossary

line of sight The line of vision; the optical axis of a telescope or other observation system. The straight line connecting the object and the objective lens of the viewing device.
telescope An afocal optical device made up of lenses or mirrors, usually with a magnification greater than unity, that renders distant objects more distinct, by enlarging their images on the retina.
terrestrial telescope A telescope that produces an erect image. Erection is achieved either by a lens (for a long instrument) or a prism (for a compact instrument). Very small terrestrial telescopes of low power may be of the Galilean type.
Galilean telescope A refracting telescope that yields an erect image by the use of a positive lens for its objective and a negative lens for its eyepiece.

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