Teleconverter lens and imaging apparatus
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United States of America Patent
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Aug 8, 2017
Grant Date -
Aug 13, 2015
app pub date -
Feb 5, 2015
filing date -
Feb 7, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A teleconverter lens consists essentially of, in order from the object side: a front group having a positive refractive power; and a rear group having a negative refractive power, wherein the front group and the rear group are separated from each other by the widest air space, the front group consists essentially of one positive lens having a convex surface toward the object side, and the rear group includes, in order from the object side, at least one negative lens having a concave surface toward the image side, and at least one positive lens having a convex surface toward the object side.
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