Lens barrel and optical apparatus
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United States of America Patent
Stats
-
Nov 27, 2018
Grant Date -
Jun 1, 2017
app pub date -
Nov 21, 2016
filing date -
Nov 26, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The lens barrel includes a first rotatable member rotatable to move a focusing lens in an optical axis direction, a first aperture stop unit including a first light-blocking member and a second rotatable member rotatable to move the first light-blocking member, a third rotatable member to be rotated by receiving a rotation of the first rotatable member, a first mechanism configured to, in the variation of magnification, convert a relative movement of the second and third rotatable members into a rotation of the second rotatable member, and a second mechanism configured to, in the focusing, transmit the rotation of the first rotatable member to the third rotatable member to rotate the third rotatable member and transmit the rotation of the third rotatable member to the second rotatable member to rotate the second rotatable member.
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Cited Art Landscape
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