An endoscope includes: an insertion portion to be inserted into a subject； an operation section provided at a proximal end of the insertion portion； a first light source section provided inside the operation section, the first light source section generating first light as broadband light having a broadband wavelength characteristic； a light guiding section that guides the first light emitted from the first light source section； a second light source section provided on a distal end side of the insertion portion, the second light source section generating second light； and an optical element provided on the distal end side of the insertion portion, the optical element combining the first light and the second light and emitting the resulting light from an illuminating window.
