This vehicle lighting fixture 400 comprises a headlamp 410 and a pseudo-heat light source 420. The pseudo-heat light source 420 projects reference light S1 onto an object, varying the intensity distribution of the light in M-different ways. The pseudo-heat light source 420, along with a light detector 120 and an arithmetic processing device 130, constitutes an imaging device 100. At least some constituent elements 430 of the headlamp 410 are shared with the pseudo-heat light source 420.