Light transparent structure which is thin in middle and thick in its edges.
A lens such that a parallel beam of light passing through it is caused to diverge or spread out.
Антонимы
Examples for "convex lens "
Examples for "convex lens "
1 If parallel rays of light fall upon a double- convex lens , D D, Fig.
2 The convex lens is placed in the more outward position in the telescope, i.e.
3 In addition, we directly showed that the cell body acts as a convex lens .
4 The convex lens found at Nimroud shows that they were not unacquainted with magnifying instruments.
5 Fig 5 represents a double- convex lens , Fig.
1 She could already see its field, like a concave lens .
2 It was a concave lens , like some powerful optical instrument.
3 By means of a concave lens (L) the image may be made to fall on the retina (dotted lines).
4 It distorted, as if that circle outlined the position of a concave lens , then it was gone, completely enclosed in a large silvery bubble.
5 A concave lens has been substituted for the collimator and slit, and besides other advantages, a great saving in length is secured by this change.
Grammar, pronunciation and more
Это словосочетание состоит из: Translations for concave lens