| 摘要 |
PURPOSE: A near infrared ray lighting device using a multiple alignment infrared light source is provided to possessively correspond to a change of a photographing distance and a change of a viewing angle. CONSTITUTION: A camera unit(200) photographs a subject by controlling a zoom lens according to a distance with a subject. An optical sensor unit(300) measures a illuminance of light received from the camera unit. A lighting unit(400) is comprised of a field lens controlling a divergence angle by collecting near infrared ray. A lens operating unit(500) controls a location of a field lens of lighting unit. A control unit(100) controls the lens operating unit according to zoom lens of the camera unit.
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