Disclosed is an optical device including an optical member, a driving
member for driving the optical member, a storage member for storing preset
information about driving of the optical member, an information write
device for writing the preset information in the storage member from the
outside of the optical device, and a control member for performing driving
control of the driving member. The control member performs preset driving
control of the driving member on the basis of the preset information
stored in the storage member.