The endoscope device receives light from the subject illuminated by the illumination light, an imaging element for generating an image signal of a subject, the first and second wavelength bands for illuminating the subject light a light generating unit for generating as illumination light, an image signal assigned an imaging signal to the different colors which are respectively generated from each of the return light from the subject irradiated with light of the first and second wavelength band and generating an image signal generator for a third wavelength band of the light amount of light having a wavelength at which the absorbance of the blood in the subject is the maximum value of the light of the first wavelength band, or the irradiation time, the first A first light amount adjusting unit that increases a light amount of light in a wavelength band as compared to a light amount of lights other than a third wavelength band among lights in a wavelength band and a second light amount adjusting unit that increases the absorbance of blood in the subject among the light in the second wavelength band fourth wavelength band of the light amount, including the wavelength, or the irradiation time A second light quantity adjusting unit that reduces in comparison with the amount of the fourth other than the wavelength band of light of the light of the second wavelength band, a.内視鏡装置は、照明光により照明された被検体からの光を受光し、被検体の撮像信号を生成する撮像素子と、被検体に照射するための第1及び第2の波長帯域の光を照明光として発生する光発生部と、第1及び第2の波長帯域の光が照射された被検体からのそれぞれの戻り光からそれぞれ生成される撮像信号をそれぞれ異なる色に割り当てた画像信号を生成する画像信号生成部と、第1の波長帯域の光のうち被検体における血液の吸光度が最大値となる波長を含む第3の波長帯域の光の光量、または、照射時間を、第1の波長帯域の光のうち第3の波長帯域以外の光の光量に比べて、増大させる第1の光量調整部と、第2の波長帯域の光のうち被検体における血液の吸光度が最大値となる波長を含む第4の波長帯域の光量、または照射時間を、第2の波長帯域の光のうち第4の波長帯域以外の光の光量に比べて減少させる第2の光量調整部と、を有する。
