An endoscope 1 of the present invention includes an insertion section 3 including a distal end portion 10, an objective lens 15a placed in the distal end portion, an illumination lens 16a which is placed in the distal end portion adjacently to the objective lens and emits illumination light from a light source 5, and a wall portion 14 (35) which is placed between the objective lens and the illumination lens, and shields the illumination light, and thereby, secures a sufficient illumination range for an image pickup range with a wide field of view, can obtain a favorable endoscope image and can reduce the diameter.
