telescope lens
Distant-viewing optical element
A telescope lens is any of the optical glass elements in a telescope that gather and focus light to produce magnified images of distant objects.
The term usually refers to the objective lens at the front, which collects light, or the eyepiece lens, which magnifies the image for viewing: The telescope lens needs cleaning.
- eyepieceLens you look through
- magnificationDegree of visual enlargement
- focal lengthLens-to-convergence-point distance
- opticsScience of illumination
- glassTransparent solid from sand
focal · aperture · refractor · mirror · objective · curved · polished · grinding · astronomer · stargazing · observatory · celestial · celestial objects · night sky · star gazing · zoom · clarity · barrel
- Georgian Inventionsspinning jenny, cotton gin, steam engine, power loom, flying shuttle
- telescopesrefractor, reflector, Newtonian, Gregorian, spyglass
- lensesmultifocal, progressive, single vision, plano-convex, biconvex
- optical devicesmagnifying glass, binoculars, microscope, prism, eyeglasses
- Optics Historymicroscope, prism, refraction, diffraction, polarization
- Galileo's inventionssector
telescope, lens, telescopes, telescopic, telescoping, telescoped, lenses, lensed