To provide a scanner with a plurality of cameras arranged on surrounding of an operating object.

The object is irradiated with a non-structure light or covered with a texture surface. The camera arranged at a paired state, each camera pair is supported on a single support. The object scanned consists of a foot and others. The scanner is tilted at a predetermined angle, and the foot is supported equally. A method for mounting the camera pair into the support, a calibration method of the camera pair and a method for scanning the foot and offering of a size of a shoe and a shoe last of the shoe are disclosed.