Mk I eyeball.
Optical engineering might be associated with a telescope.
telescope
Telescopophy technology is associated with telescopes.
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multiple-mirror reflectors
Bells, rope, compass, map, and telescope
Galileo Galilei invented the telescope in 1608
They used a telescope
adaptive optics
Both are designed as multiple-mirrored reflectors.
telescope
The telescope is not very modern it has been around for hundreds of years and is used to observe the stars. In modern technology Nasa and universities use them to explore space looking for planets. They are very useful.