Patent ID: 8199243

Claim:
An imaging device for acquiring image data for a subject, comprising: an interchangeable lens unit having an optical system provided to form an optical image of the subject, and a first holding part configured to hold first correction information used to electrically correct distortion produced by the optical system; and a camera body having an image acquisition part configured to convert the optical image into image data, a correction information acquisition part configured to acquire the first correction information held in the first holding part, an operation part configured to produce second correction information by performing an interpolation operation or an extrapolation operation on the first correction information, and a distortion corrector configured to correct distortion in the image data on the basis of the second correction information, wherein the first correction information includes a plurality of correction coefficients used to correct the distortion in the image data, the camera body has a correction information selector configured to select the correction coefficients from the first correction information as selected correction coefficient group, and the operation part is configured to produce the second correction information on the basis of the selected correction coefficient group.