To provide an electronic device which is superior in operation usability and can secure proper and precise operation.

The electronic device includes a base member 204 having engagement parts corresponding to a plurality of locking operation positions, an operating member 205 which is supported in free movement by the base member 204, and a click member 206 which moves together with the operating member 205 integrally and elastically engages with the engagement part of the base member 204. The base member has a recessed portion 204g which supports the click member 206 at the middle operation position and has an inclined portion 204i which energizes the click member 206 to the end direction at the operation position at both ends.