A multi-camera endoscope includes a the tip section comprising: a front looking camera and a front discrete illuminator to essentially illuminate the field of view of said front looking camera； a right side looking camera and a right discrete illuminator to essentially illuminate the field of view of said right side looking camera； a left side looking camera and a left discrete illuminator to essentially illuminate the field of view 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. The tip cover includes removable or repositionable window components which provide access to internal components of the tip for repair or removal, without removing the main tip cover.
