Information of the interchangeable lens provided and sales methods

A along with the user P2 to ensure accurate purchase decision at the time of purchasing the interchangeable lens 3, which contributes to the convenience improving user P2. Displaying the predetermined identification marker M to the position of the lens mount 2m of A camera body 2, and the three-dimensional image data Di according Ichimata in two or more different interchangeable lens 3 ... appearance in a predetermined storage processing unit A ... and registers and install the augmented reality processing program 5 with camera computing processor 4, photographed camera body 2 including the identification marker M by the camera function unit 4c of the camera computing processor 4, based on Augmented reality program 5 performs augmented reality processing on the three-dimensional image data Di and the selected photographed image data Ds obtained from the camera function unit 4c, the combined image of the interchangeable lens 3 attached to the camera body 2 6, is displayed on the display 4d of camera computing processor 4. .FIELD 1