Photographic Lens System Enabling Reduction in Tightness of Manufacturing Tolerance
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United States of America Patent
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Issued Date -
Oct 27, 2016
app pub date -
Apr 18, 2016
filing date -
Apr 24, 2015
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Abstract
A photographic lens system includes first to sixth lenses arranged sequentially from an object along the optical axis. The first lens has positive refractive power, the second lens is meniscus shaped and has negative refractive power, the third lens has an upwardly-convex shape and positive refractive power, the fourth lens has an upwardly-convex shape and negative refractive power, the fifth lens has positive refractive power, and the sixth lens has negative refractive power. The photographic lens system satisfies −10
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