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Fresnel screen
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Fresnel screen

optics
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The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  EncyclopƦdia Britannica, and create and manage the relationships between them.

The Information Architects of Encyclopaedia Britannica

Learn about this topic in these articles:

  • sequence of negative–positive process
    technology of photography
    / Focusing aids

    Called a Fresnel screen, it redirects the light from the screen corners toward the observer’s eye and makes the image evenly bright.

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    Called a Fresnel screen, it redirects the light from the screen corners toward the observer’s eye and makes the image evenly bright.

    Read More