Photographic lens optical system
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United States of America Patent
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Jul 25, 2017
Grant Date -
Jun 22, 2017
app pub date -
Jun 29, 2016
filing date -
Dec 18, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Provided are lens optical systems. A lens optical system includes first to third lenses sequentially arranged in a direction from an object to an image sensor. The first lens may have a positive refractive power and an entrance surface convex toward the object. The second lens may have a negative refractive power and a meniscus shape convex toward the image sensor. The third lens may have a positive refractive power, and at least one of entrance and exit surfaces of the third lens may have an inflection point in a direction from a center region toward an edge thereof. The outer diameter D3 (in millimeters) of the exit surface of the third lens and the diagonal length ImgHMAX of a maximum pixel region of the image sensor may satisfy 2.6
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