| 摘要 |
<p>A hood for endoscope, wherein at least one recessed part (40) having a projected amount projected forward from the position of a tip lens surface (34) shorter than that of the other portion is provided in a part of the projected part (38) of the tip part of a hood body (37a), a sloped surface (44) tilting in a direction of diverging forward from the tip lens surface (34) is provided on the inner surface of the at least one recessed part (40), and an angle β formed by the inner sloped surface (44b) of the recessed part (40) and the tip lens surface (34) is set larger than an angle α formed by the inner surface of the other portion adjacent to the recessed part (40) and the tip lens surface (34).</p> |
