Patent ID: 8400498

Claim:
An endoscope apparatus comprising an endoscope comprising an image pickup device so as to form a color image signal representing an observed object, the endoscope apparatus further comprising: a storage portion that stores matrix data regarding a wavelength range in which a spectral image is constituted; a spectral image formation circuit that performs a matrix calculation on the color image signal using the matrix data stored in the storage portion so as to form a spectral image of the wavelength range; a wavelength selection section, included in an operational panel, that selects the wavelength range for the spectral image which is to be formed by the spectral image formation circuit, by continuously or stepwise changing the wavelength range; a wavelength memory section comprising (i) a default data memory area that stores at least one default wavelength range and (ii) a changed-wavelength-range saving area that stores at least one wavelength range to be selected by the wavelength selection section after changed from at least one of said at least one default wavelength range; and a reset section, included in said operational panel, that rewrites, when receiving a reset instruction, at least one of said at least one wavelength range stored in the changed-wavelength-range saving area into one(s) of said at least one default wavelength range stored in the default data memory area.