PROBLEM TO BE SOLVED: To provide an endoscope system, preferable for restraining poorness of visibility of a narrow band optical image due to deficiency of luminance.SOLUTION: This endoscope system includes: a plurality of optical paths an illuminating light supply means for supplying predetermined broad band illuminating light to the plurality of optical paths spectral means for dispersing the illuminating light supplied to the remaining at least one optical path, which is other than at least one optical path of the plurality of optical paths, to a predetermined narrow band light a plurality of light guides where the illuminating light of each optical path enters and a plurality of illuminating optical systems for irradiating the illuminating light transmitted through the respective light guides to a subject.COPYRIGHT: (C)2013,JPO&INPIT【課題】輝度不足による狭帯域光画像の視認性の悪さを抑えるのに好適な内視鏡システムを提供すること。【解決手段】内視鏡システムを、複数の光路と、所定の広帯域の照明光を複数の光路に供給する照明光供給手段と、複数の光路のうち少なくとも一つの光路以外の、残りの少なくとも一つの光路に供給された照明光を所定の狭帯域光に分光する分光手段と、各光路の照明光が入射する複数のライトガイドと、各ライトガイドを伝送した照明光を被写体に照射する複数の照明光学系と、から構成する。【選択図】図2
