Piezoelectric actuator, lens barrel, and camera

摘要

A piezoelectric actuator comprises a first piezoelectric element, a second piezoelectric element, a first set of a first member that is mounted with the first piezoelectric element which is deformed in a first direction with an application of a first voltage, and a second set of a second member that is mounted with the second piezoelectric element which is deformed in the opposite direction of the first direction with the application of the first voltage.