| 摘要 |
PROBLEM TO BE SOLVED: To obtain a satisfactory light distributing characteristic by suppressing light distribution unevenness in a flash light emitting part protector to cover the front face of the flash light emitting part of a flash light-emitting device incorporated in a camera or used by connecting with the camera. SOLUTION: This flash light-emitting part protector possesses curved surfaces 300 formed by the locus of a first arc-like curve 100, which is projected forward drawn within a horizontal surface including an optical axis obtained, when the first curve 100 is moved in the vertical directions along a second arc-like curve 200 that is projected forward drawn on a perpendicular surface including the optical axis, while maintaining it in the horizontal direction as first lens surfaces 11, 12, 13 and 14.
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