To provide an endoscope capable of preventing a prism from being peeled off from a member for holding it, and an endoscope apparatus equipped with the endoscope.SOLUTION: An endoscope includes: a lens barrel 41 for supporting an objective lens group on which incident light from an observation window provided on a lateral face of the tip part of an insertion part is incident, which has an optical axis intersecting with a longitudinal direction (direction X) of the insertion part； a prism 47 with a light incident surface on which emitted light from the objective lens group is incident； an image pick-up device 50 having an imaging surface parallel to the direction X, which is fastened to the prism 47 in a state that the imaging surface faces a light emission surface of the prism 47； and a prism holder 42 having a body part 42a bonded to the light incident surface and a plate-shaped first contact part 42b that is formed along a lateral surface 47c of the prism 47 and comes in contact with the lateral surface 47c.SELECTED DRAWING: Figure 3【課題】プリズムがそれを保持する部材から剥がれるのを防ぐことのできる内視鏡、及びこの内視鏡を備える内視鏡装置を提供する。【解決手段】内視鏡は、挿入部の先端部の側面に設けられた観察窓からの入射光が入射され、挿入部の長手方向（方向Ｘ）に交差する光軸を有する対物レンズ群を支持するレンズ鏡胴４１と、対物レンズ群からの出射光が入射される光入射面を有するプリズム４７と、方向Ｘに平行な撮像面を有し、且つ撮像面がプリズム４７の光出射面に対向する状態にてプリズム４７に固着された撮像素子５０と、光入射面に接着された本体部４２ａ及びプリズム４７の側面４７ｃに沿って形成され且つ側面４７ｃに当接する板状の第一の当接部４２ｂを有するプリズム保持具４２と、を備える。【選択図】図３
