Shake correction unit and imaging apparatus
AssigneeCanon Kabushiki Kaisha
InventorTomoyuki Kudoh
Life of this patent
Estimating the term…
Abstract
A shake correction unit comprises a first lens unit that holds a first lens and is movable in a direction perpendicular to an optical axis of the first lens during a shake correction operation and a second lens unit that holds a second lens and is attached to the first lens unit and moves in a direction perpendicular to the optical axis together with the first lens unit during the shake correction operation, at least one of a shutter and an iris diaphragm having a changeable opening diameter is disposed between the first lens unit and the second lens unit.
Claims20
A shake correction unit comprising:
- a first lens unit that holds a first lens and is movable in a direction perpendicular to an optical axis of the first lens;
- and
- a second lens unit that holds a second lens and is attached to the first lens unit and moves in a direction perpendicular to the optical axis together with the first lens unit,
- at least one of a shutter and an iris diaphragm having a changeable opening diameter;
- a base member that holds at least one of the shutter and the diaphragm and is disposed between the first lens unit and the second lens unit;
- wherein at least one of the shutter and the iris diaphragm is disposed between the first lens unit and the second lens unit,
- wherein the second lens unit has three receiving units and three engaging units,
- wherein the receiving unit extends through the base member so as to abut the first lens unit, and
- wherein the engaging unit extends through the base member so as to engage with the first lens unit.
A shake correction unit comprising:
- a first lens unit that holds a first lens and is movable in a direction perpendicular to an optical axis of the first lens;
- and
- a second lens unit that holds a second lens and is attached to the first lens unit and moves in a direction perpendicular to the optical axis together with the first lens unit;
- at least one of a shutter and an iris diaphragm having a changeable opening diameter;
- a base member that holds at least one of the shutter and the diaphragm and is disposed between the first lens unit and the second lens unit;
- wherein at least one of the shutter and the iris diaphragm is disposed between the first lens unit and the second lens unit, and
- wherein the first lens unit and the second lens unit are engaged with each other at a circumference of at least one of the shutter and the iris diaphragm, with extending through the base member.
Dependencies are inferred from the claim text.