An endoscope apparatus includes: an imaging apparatus that includes an imaging element configured to capture a subject image of inside of a subject, the imaging apparatus outputting an image signal obtained by capturing the subject image by the imaging element； a control apparatus configured to process the image signal to generate a video signal for display； and a signal transmission path configured to transmit the image signal from the imaging apparatus to the control apparatus. The imaging apparatus outputs, as the image signal, pixel signals of respective pixels in a specified pixel area out of a whole pixel area of the imaging element, the specified pixel area being smaller than the whole pixel area and containing the entire subject image.
