An electronic endoscope having a video-scope with an image sensor, a video-processor and a display has an image forming processor, a signal processor and a display-state changing processor. The signal processor generates video signals on the basis of image-pixel signals from the image sensor and outputs said video signals to said display. The display-state changing processor changes a display-state from a normal-display to a magnified-display and from the magnified-display to the normal-display. In the case of the normal-display, the image forming processor forms a normal-display subject image composed of a smaller number of pixels than that of the all-pixel subject image. In the case of the magnified-display, the image forming processor forms a magnified-display subject image composed of pixels arranged within a part-area.
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