Accessories for camera

Accessory side mount accessory camera has a second restricting portion that is different from at least a first regulating portion, and the first restricting portion. The first restricting portion, rotates the accessory side mount inserted in the normal insertion phase in a first rotational direction along the first to third claw in the circumferential direction for mounting the body side mount in this case, by abutting the side edge of one of the camera body side claws, to restrict the rotation range of the first rotational direction, the second restricting portion, remove the accessory-side mount from the body-side mount the first to third claw in the circumferential direction in order, when the first rotational direction is rotated in a second rotational direction opposite the side edge of one of the camera body side claw by abutting the, to restrict the range of rotation of the second rotational direction.