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Hamamatsu Corp. - Earth Innovations LB 2/24

Pushing for Change in Magnifying Lenses

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Liquid lens adjusts focal length when pressure is applied or released.

Michael J. Lander

As scientists have realized for many years, the fluid nature and natural magnification of water could make it perfect for use in liquid lenses with an adjustable focal length. Yet prototypes developed using water and other liquids have enjoyed few practical uses because of a limited aperture size, lack of portability and other problems. At the University of Central Florida in Orlando, researchers have made a lens that may overcome these issues and that could find use in cell phones and other devices. Using a liquid lens based on pressure-induced liquid redistribution, researchers...Read full article

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    Published: July 2007
    Glossary
    magnification
    The ratio of the size of the image of an object to that of the object. The ratio of the linear size of the image to that of the object is lateral magnification. Angular magnification is the ratio of the apparent angular size of the image observed through an optical device to that of the object viewed by the unaided eye. Longitudinal magnification is the ratio of the longitudinal or axial dimension of an image to the corresponding dimension of the object.
    industrialliquid lensesmagnificationplastic membraneResearch & TechnologyTech Pulse

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