lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length
Fresnel lens
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 | fresnel lens |
| fresnel lamp |
| Fresnel spotlight (electricity) |
 | Uses of fresnel's biprism? Read answer... |
| Describe fresnel biprism? Read answer... |
| What does the lens do? Read answer... |
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 | Definition. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved. Read more |
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