Definición de crown lens en inglés:

crown lens

Silabificación: crown lens

sustantivo

A lens made of crown glass and usually forming one component of an achromatic lens.
Más ejemplos en oraciones
  • After polishing the crown lens, a new lap - convex - is made and the third surface polished.
  • After crown lenses are chemtempered, suspend them over the chemical bath for at least 15 minutes.
  • Now lower the mating surface of the crown lens onto this puddle without entrapping air and let the lens settle into the oil unaided.

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Palabra del día keek
Pronunciación: kiːk
verb
peep surreptitiously