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Lens

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  1. an optical device with perfect or approximate axial symmetry which transmits and refracts light, converging or diverging the beam

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on November 25, 2008
  2. A simple lens is a lens consisting of a single optical element

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on November 25, 2008
  3. Manufactured lenses are typically made of glass or transparent plastic

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on November 25, 2008
  4. A compound lens is an array of simple lenses (elements) with a common axis; the use of multiple elements allows more optical aberrations to be corrected than is possible with a single element

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on November 25, 2008
  5. Elements which refract electromagnetic radiation outside the visual spectrum are also called lenses: for instance, a microwave lens can be made from paraffin wax

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on November 25, 2008
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