An endoscope having a distal end portion, said distal end portion comprising an image pickup apparatus having an objective optical system unit, a prism disposed behind said objective optical system unit, and an image pickup unit disposed in the vicinity of the prism, said prism having a first prism and a second prism that are joined together so as to divide and emit incident light having passed through the objective optical system unit into two optical paths, said image pickup unit comprising: a first solid-state image pickup device that receives light emitted by the prism after being reflected by an interface between the first prism and the second prism in a direction perpendicular to an optical axis direction of the objective optical system, the first solid-state image pickup device being provided along the optical axis direction, a second solid-state image pickup device that receives light emitted by the prism along the optical axis direction after passing through the first and second prisms (21A, 21B), the second solid-state image pickup device being provided in the direction perpendicular to the optical axis direction, and a circuit board including a first and a second circuit board (27a, 27b), provided behind the second solid-state image pickup device, wherein the endoscope further comprises: a first connection portion provided on a first side surface of the first solid-state image pickup device, wherein the first side surface is the distal side of the first solid-state image pickup device, and is positioned on a side of the objective optical system unit and parallel to the direction perpendicular to the optical axis direction, and adapted to connect the first solid-state image pickup device to the first circuit board; and a second connection portion provided on a second side surface of the second solid-state image pickup device, wherein the second side surface is most distant in the direction perpendicular to the optical axis direction from the first connection portion and positioned in parallel to the optical axis direction, and adapted to connect the second solid-state image pickup device to the second circuit board. a first solid-state image pickup device that receives light emitted by the prism after being reflected by an interface between the first prism and the second prism in a direction perpendicular to an optical axis direction of the objective optical system, the first solid-state image pickup device being provided along the optical axis direction, a second solid-state image pickup device that receives light emitted by the prism along the optical axis direction after passing through the first and second prisms (21A, 21B), the second solid-state image pickup device being provided in the direction perpendicular to the optical axis direction, and a circuit board including a first and a second circuit board (27a, 27b), provided behind the second solid-state image pickup device, wherein a first connection portion provided on a first side surface of the first solid-state image pickup device, wherein the first side surface is the distal side of the first solid-state image pickup device, and is positioned on a side of the objective optical system unit and parallel to the direction perpendicular to the optical axis direction, and adapted to connect the first solid-state image pickup device to the first circuit board; and a second connection portion provided on a second side surface of the second solid-state image pickup device, wherein the second side surface is most distant in the direction perpendicular to the optical axis direction from the first connection portion and positioned in parallel to the optical axis direction, and adapted to connect the second solid-state image pickup device to the second circuit board.