Patent ID: 8545400

Claim:
An endoscope, comprising: an insertion section including a distal end provided with a distal end portion; an objective lens placed in the distal end portion; and an illumination lens which is provided to each of a plurality of illumination windows placed on a distal end surface of the distal end portion adjacently to the objective lens, and emits illumination light guided by a light source from a proximal end direction of the insertion section; wherein a first illumination lens is provided to a first illumination window as at least one of the plurality of illumination windows is configured to emit light that includes an optical axis substantially parallel with a photographing optical axis incident on the objective lens, a second illumination lens is provided to a plurality of second illumination windows different from the first illumination window of the plurality of illumination windows is configured to emit light that includes an optical axis angled with respect to the photographing optical axis in a direction away from the photographing optical axis, and a sloped wall portion, which shields illumination light from the first illumination lens and shields the illumination light from being incident on the objective lens, is positioned only between the objective lens and the first illumination window.