Refracting telescope Guide, Meaning , Facts, Information and Description
A
refracting telescope (
refractor) is a
telescope which uses
lenses to
refract light. This refraction causes
parallel light rays to converge at a
focal point; while those which were not parallel converge upon a focal plane. This can enable a user to view a distant object as if it were
brighter,
clearer, and/or
larger. These are similar to microscopes. The
monocular is a type of refractor. A typical refractor has two lenses, an
objective lens and an
eyepiece lens. The objective lens has two pieces of
glass (with different
densities), "
crown" and "
flint glass". Each side of each piece is ground and
polisheded, and then the two pieces are glued together. The curvatures are designed to cancel
chromatic and
spherical aberration.
Notable Refracting Telescopes
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