Filar micrometer

A filar micrometer is a specialized eyepiece used in astronomical telescopes for astrometry measurements, in microscopes for specimen measurements, and in alignment and surveying telescopes for measuring angles and distances on nearby objects. The word filar derives fromLatin filum, meaning "a thread". It refers to the fine threads or wires used in the device.

单词	Filar micrometer
释义	Filar micrometer 英语百科 Filar micrometer A filar micrometer is a specialized eyepiece used in astronomical telescopes for astrometry measurements, in microscopes for specimen measurements, and in alignment and surveying telescopes for measuring angles and distances on nearby objects. The word filar derives fromLatin filum, meaning "a thread". It refers to the fine threads or wires used in the device.
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