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.
  • 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.
  • In observing the bands he received them at first upon a screen of finely ground glass, upon which a magnifying lens was focused; but it soon appeared that the ground glass could be dispensed with, the diffraction pattern being viewed in the same way as the image formed by the object-glass of a telescope is viewed through the eye-piece.
  • 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.