PROBLEM TO BE SOLVED: To provide an imaging device which can be miniaturized and whose manufacturing process can be made efficient, a method for manufacturing an imaging device, and an endoscope device.SOLUTION: An imaging device 10 includes: an image pick-up device 11； an objective optical system 12 including an optical element 21 adjoining the image pick-up device 11 that bends an incident optical path extending in a direction intersecting with a normal line direction of an image receiving surface of the image pick-up device 11 in the normal line direction by the optical element 21； a rigid circuit board part 13, part 13a of which is arranged overlapping with the optical element 21 in the normal direction on the side opposite to the image pick-up device 11； and a connection board part 14 that connects the image pick-up device 11 and the circuit board part 13. A section 14a between the image pick-up device 11 and the circuit board part 13 in the connection board part 14 is flexible.SELECTED DRAWING: Figure 2【課題】小型化可能で且つ製造工程を効率化可能な撮像装置及び撮像装置の製造方法並びに内視鏡装置を提供する。【解決手段】撮像装置１０は、撮像素子１１と、撮像素子１１に隣設された光学素子２１を含み、撮像素子１１の受像面の法線方向と交差する方向に延びる入射光路を光学素子２１によって法線方向に屈曲させる対物光学系１２と、一部１３ａが上記法線方向に撮像素子１１とは反対側で光学素子２１に重なって配置されているリジッドな回路基板部１３と、撮像素子１１と回路基板部１３とを連結している連結基板部１４と、を備え、連結基板部１４における撮像素子１１と回路基板部１３との間の区間１４ａはフレキシブルである。【選択図】図２
