Sentence Examples


  • If not, the substitution of an achromatic lens will be of no advantage.
  • Its object is a practical one, to determine by scientific considerations the shape of lens best adapted to improve the capabilities of the telescope, which had been invented not long before.
  • Ginger, coiffed and styled by the best, looked ready for a fashion photographer's lens while continually rolling her eyes with disdain toward her sister-in-law.
  • These dorsal eyes are very perfect in elaboration, possessing lens, retinal nerve-end cells, retinal pigment and optic nerve.
  • The lateral eyes are in Limulus " compound eyes," that is to say, consist of many lenses placed close together; beneath each lens is a complex of protoplasmic cells, in which the optic nerve terminates.