A piston of a fluid pressure shock absorber partitions a first fluid chamber and a second fluid chamber in a cylinder filled with a fluid. A front membrane having a reflective coating is attached to the plurality of tori to form a front reflective surface. The image processor is designed to select from which source, i. The pivotal linkage unit is pivotally installed to a first pivotal portion at an outer edge of the connecting tube and another end thereof is pivotally connected to the axial vibration absorption unit. The transition view shows either the first map view or the second map view.