| 摘要 |
PROBLEM TO BE SOLVED: To provide a flash light emitting device which can be miniaturized in the optical axis direction of a reflector without lowering light concentration efficiency. SOLUTION: Light 3 from a light source 1 and the reflector 5 is reflected by the reflection part 4b of the reflector 4 or successively reflected by the reflection parts 4a and 4b of the reflector 4 and further the reflection part 4c as necessary, and projected to a specified range in front. At such a time, even when the light 3 from the light source 1 and the reflector 5 is reflected by the reflector 4, it is prevented from being made incident again on the light source 1 or the reflection part 5a of the reflector 5.
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