Illumination and imaging devices and methods

(57) A summary heat torch (12) possesses the infrared camera (22) and visible light emitter (28, 26) which were arranged so that a hot object might be illuminated by visible light. This projection of the visible light to a place makes nature the place currently seen more rather than observing it on the infrared wavelength changed into visible light by the display screen. Application includes the imaging equipment for medical treatments, a night operation system, stage lighting, and security lighting. The profile of the beam of visible light is adjusted by the beam profiler (26) as which LCD may be sufficient, and it deals in it. An infrared camera (22) and a visible projector (28, 26) may aim at, in order to make easy an overlap of the visible projection picture to a place.