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Meanings of concave lens in English

Wikidata

Light transparent structure which is thin in middle and thick in its edges.

Catalan
lent còncava

A lens such that a parallel beam of light passing through it is caused to diverge or spread out.

lent còncava
Usage of concave lens in English
1
She could already see its field, like a concave lens.
Geomancer (Well of Echoes)
2
It was a concave lens, like some powerful optical instrument.
The Whispering Spheres
3
By means of a concave lens (L) the image may be made to fall on the retina (dotted lines).
A Practical Physiology: A Text-Book for Higher Schools
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.
Zero Point
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.
Scientific American Supplement, No. 601, July 9, 1887
This collocation consists of:
Translations for concave lens