Anti-vibration optical system
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United States of America Patent
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Dec 5, 2017
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N/A
app pub date -
Jan 10, 2016
filing date -
Jul 11, 2013
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status (Latency Note)
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Abstract
An anti-vibration optical system is an observation optical system including, in sequence from an object side, an objective optical system, an erecting prism, and an ocular optical system, wherein: in sequence from the object side, the objective optical system includes a first lens group having a positive refracting power and a second lens group having a negative refracting power; in sequence from the object side, the second lens group comprises a positive lens group having a positive refracting power and a negative lens group having a negative refracting power; and an image position can be changed by the negative lens group of the second lens group being displaced in a direction orthogonal to an optical axis.
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