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Words nearby eyepiece
Example sentences from the Web for eyepiece
However, at the long wavelengths of radio light, the dishes of radio telescopes are shiny too, reflecting radio waves from the sky up to a receiver, just as visible light reflects off a telescope’s mirror and into an eyepiece.
Before beginning an exposure the focus is adjusted by means of a high-power positive eyepiece.Photographs of Nebul and Clusters|James Edward Keeler
Looking through the eyepiece, the young inventor stood as though transfixed.Tom Swift and His Giant Telescope|Victor Appleton
Beware of the popular error that an object held close in front of a telescope can be seen by an observer at the eyepiece.A Text-Book of Astronomy|George C. Comstock
Insert the eyepiece micrometer inside the ocular and adjust the stage micrometer on the stage of the microscope.
This is an ordinary eyepiece fitted with an adjustable square diaphragm operated by a lever projecting from the side of the mount.