Photographic Lens Optical System
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United States of America Patent
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Issued Date -
Apr 28, 2016
app pub date -
Oct 22, 2015
filing date -
Oct 28, 2014
priority date (Note) -
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Abstract
Provided is a photographic lens optical system. The photographic lens optical system includes an iris, a plurality of lenses, and a sensor configured to record images transmitted through the plurality of lenses. A second surface (light exit surface) of a lens that is the farthest from the sensor of the plurality of lenses is a flat surface. The plurality of lenses may be plastic lenses and may include first through fifth lenses sequentially arranged between a subject and the sensor, and the first and second lenses may have positive refractive power and the second, fourth, and fifth lenses may have negative refractive power. At least one surface of both surfaces of the fifth lens may have a plurality of inflection points.
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