Operation apparatus, lens apparatus, lens system, and image pickup apparatus including the lens system
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United States of America Patent
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Mar 7, 2017
Grant Date -
Jan 7, 2016
app pub date -
Jul 1, 2015
filing date -
Jul 2, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An operation apparatus mountable/dismountable to/from a lens apparatus including a movable optical element, including: a detector detecting a position signal corresponding to a position of the optical element in a state of being mounted to the lens apparatus; a memory storing a reference position signal; i.e., a position signal at a time when the optical element is located at a reference position while being mounted to the lens apparatus; a determiner determining whether or not being dismounted from the lens apparatus after the reference position signal is stored; and a controller switching between an adjustment mode where the reference position signal is stored in the reference memory and a normal mode where the reference position signal is not stored, and controlling the operation apparatus to operate in the adjustment mode when the determiner determines the operation apparatus being dismounted from the lens apparatus after storing the reference position signal.
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