Telescopes are lens assemblies that are designed to magnify and view distant objects. Telescopes include small devices such as spotting scopes for viewing wildlife, and very large devices for astronomical study. Most telescopes are assemblies of lenses and mirrors that are used to gather light. Other telescopic devices are designed to detect objects by the emission or reflection of different types of radiation. |
Engineering Web: Telescopes - Machine Design
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Machine Design -
In absolute encoders, this information is available even if the encoder is turned off and on. This suits them for low-speed applications, as in telescopes, or where encoders may be temporarily shut ...
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Machine Design -
... such as mirror blanks for astronomical telescopes, ultrasonic delay lines, optical communications waveguides, and crucibles for growing crystals. Fabrication of fused silica is difficult, and the ...
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Basics of Design Engineering - Engineering Materials - Plastics and properties...
... a valuable characteristic for components in precision instruments such as telescopes and for the alignment requirements of aerospace antennas and similar critical parts. Transverse coefficients of ...
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