PROBLEM TO BE SOLVED: To provide an endoscope, an endoscope device, an impact detection method, and an impact detection program capable of detecting that an impact that may cause a failure of an image pickup element is applied to a rigid portion at the tip of an insertion portion. An endoscope (1) having a hard portion (tip portion (10C)) at the tip of an insertion portion (10) is arranged in an imaging element (23) arranged in the tip portion (10C) and an insertion portion (10) including the tip portion (10C). The light guide 31 and the light reflecting member 32 provided at the end of the light guide 31 inside the tip portion 10C are provided. At least a part (second light guide 31b) of the inside of the tip portion 10C of the light guide 31 has lower impact resistance than the other part (first light guide 31a) of the light guide 31. [Selection diagram] Figure 2
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