PROBLEM TO BE SOLVED: To provide an endoscope apparatus capable of heightening resolution power of a wavelength region in spectrometry and preventing a bad influence from being exerted on the spectrometry for a measurement object region.SOLUTION: An endoscope apparatus includes: an image pick-up element 150 where an imaging area 154 for receiving imaging light radiated from an observation object region and a spectral area 152 for receiving radiation light radiated from a measurement object region are formed on the same light receiving surface an imaging optical system 180 for guiding the imaging light to the imaging area 154 a spectral optical system 160 for guiding the radiation light to the spectral area 152 a shutter member 161 provided in the spectral optical system 160 to transmit or shade the light entering the spectral area 152 and a shutter control part 250 for shading the imaging light entering the spectral area 152 in timing when the illuminating light is radiated and on the other hand, transmitting the radiation light entering the spectral area 152 in timing when the illuminating light is not radiated and the measurement light is radiated.COPYRIGHT: (C)2014,JPO&INPIT【課題】分光測定における波長領域の分解能を高めるとともに、測定対象部位の分光測定に悪影響が及ばないようにすることが可能な内視鏡装置を提供する。【解決手段】観察対象部位から放射される撮像光を受光する撮像領域154と、測定対象部位から放射される放射光を受光する分光領域152とが同一受光面上に形成された撮像素子150と、撮像領域154に撮像光を導光する撮像光学系180と、分光領域152に放射光を導光する分光光学系160と、分光光学系160内に設けられ、分光領域152に入射する光を透光または遮光するシャッター部材161と、照明光の照射されるタイミングにおいて、分光領域152に入射する撮像光を遮光させる一方、照明光が照射されず、かつ、測定光が照射されるタイミングにおいて、分光領域152に入射する放射光を透光させるシャッター制御部250とを備える。【選択図】図3
