the invention relates to a medical inspection apparatus , such as a microscope or endoscope , and to a medical inspection method such as microscopy or endoscopy . visible image data representing a visible - light image and fluorescence image data representing a fluorescent - light image and a pseudocolor are merged to give an improved visual rendition of an object which comprises at least one fluorophore to mark special features of the object . this is accomplished in that an image processing unit of the microscope or endoscope is configured to compute a color of an output pixel in the pseudocolor image from at least one pseudocolor , a color of a first input pixel in the visible - light image and an intensity of a second input pixel in the fluorescent - light image . in particular , the color may result from a linear interpolation in a color space between the pseudocolor and the color of the first input pixel of the visible - light image depending on the intensity of the second input pixel in the fluorescent - light image .