PROBLEM TO BE SOLVED: To sufficiently use the respective rating quantities of illumination light beams in an endoscope apparatus of a face sequential system.SOLUTION: An endoscope apparatus 1 comprises: an imaging device 20 provided at a leading end 13 of an endoscope insertion part 10 an illuminating device 22 that sequentially emits illumination light beams of different spectra from the leading end of the endoscope insertion part and can independently control the respective quantities of illumination light beams an illumination control section 52 that sets a target quantity of each of illumination light beams for the illuminating device and imaging control sections 33, 50, and 52 that compensate for insufficiency of a signal level resulting from an insufficient quantity of light, with respect to the target quantity of light, of an image signal output from the imaging device when imaging is carried out under illumination light insufficient with respect to the target quantity of light after reaching a rating quantity of light.COPYRIGHT: (C)2015,JPO&INPIT【課題】面順次方式の内視鏡装置において、複数の照明光の各々の定格光量を十分に利用する。【解決手段】内視鏡装置1は、内視鏡挿入部10の先端部13に設けられた撮像装置20と、スペクトルが互いに異なる複数の照明光を内視鏡挿入部の先端部から順次照射し且つ複数の照明光の光量を独立に制御可能な照明装置22と、照明装置に対して複数の照明光の各々の目標光量を設定する照明制御部52と、定格光量に達し且つ目標光量に不足する照明光下で撮像した際に撮像装置から出力される撮像信号の、目標光量に対する光量不足に伴う信号レベルの不足を補償する撮像制御部33,50,52と、を備える。【選択図】図2
