There is provided herein a tip section of a multi-camera endoscope, the tip section comprising: a front looking camera and a front discrete illuminator to essentially illuminate the Field Of View (FOV) of said front looking camera a right side looking camera and a right discrete illuminator to essentially illuminate the FOV of said right side looking camera a left side looking camera and a left discrete illuminator to essentially illuminate the FOV of said left side looking camera and a multi component cover configured to cover and seal said tip section such as to essentially prevent entry of fluids from the environment of said endoscope to inner parts of said tip section.