Patent ID: 7794397

Claim:
An endoscope comprising: an insertion unit; an observation optical system arranged at an end surface of the insertion unit in an inserting axis direction and having a wide viewing angle for observing a body cavity; at least one illumination lens arranged on an axis slanted with respect to the inserting axis direction of the insertion unit and used when illuminating the body cavity; an optical fiber bundle connected to a back surface of the illumination lens and including a rigid-portion connected to the back surface of the illumination lens and a soft portion connected to the rigid portion; a rigid part arranged in the insertion unit for holding the optical fiber bundle; and a fixing member which fixes the optical fiber bundle to the rigid part; wherein the illumination lens is subjected to light diffusion process, the rigid portion protrudes from a back end face of the rigid part, and the rigid portion is bent at a position between the back end face of the rigid part and the fixing member.