Device for the analysis of tyres comprising: - a support frame ; - a first acquisition system for acquiring images of a surface of a tyre, said first acquisition system being mounted on said support frame and comprising: - a first camera , having a first optical axis , a first focal plane and a first depth of field, and - a first illumination system adapted to illuminate around a first focal point (F1) which is situated on an intersection between said first optical axis and said first focal plane ; - a second acquisition system for acquiring images of said surface, said second acquisition system being mounted on said support frame and comprising: - a second camera and a second illumination system , said second camera having a second optical axis , a second focal plane and a second depth of field; wherein there is at least one translation plane passing through said first focal point (F1), substantially orthogonal to said first optical axis , and also passing through a first region of intersection between said second optical axis and said second depth of field, wherein said first acquisition system is adapted to acquire two-dimensional images and said second acquisition system is adapted to acquire three-dimensional images, wherein said second camera is a matrix camera, wherein said second illumination system comprises a laser source adapted to emit a linear beam having a cross-section in the form of a line and a propagation plane , and wherein said second optical axis is tilted with respect to said propagation plane , wherein said first camera is linear and has an objective line lying on an intersection between said first focal plane and an optical plane passing through said first optical axis and a linear sensor of said linear camera, characterized in that the device comprises a flange for attaching said support frame to a device movement member, in that said objective line and a line of intersection between said translation plane and said propagation plane are parallel to each other and mutually aligned with respect to a translation direction orthogonal to said objective line and said line of intersection and belonging to the translation plane , such that it is possible to acquire two-dimensional images and three-dimensional images of a same region of a tyre by means of a relative translation of the region of the tyre along the translation direction , and in that said propagation plane is parallel to said optical plane of the first camera and the second focal plane is tilted with respect to the translation plane . - a support frame ; - a first acquisition system for acquiring images of a surface of a tyre, said first acquisition system being mounted on said support frame and comprising: - a first camera , having a first optical axis , a first focal plane and a first depth of field, and - a first illumination system adapted to illuminate around a first focal point (F1) which is situated on an intersection between said first optical axis and said first focal plane ; - a first camera , having a first optical axis , a first focal plane and a first depth of field, and - a first illumination system adapted to illuminate around a first focal point (F1) which is situated on an intersection between said first optical axis and said first focal plane ; - a second acquisition system for acquiring images of said surface, said second acquisition system being mounted on said support frame and comprising: - a second camera and a second illumination system , said second camera having a second optical axis , a second focal plane and a second depth of field; - a second camera and a second illumination system , <EOS>