To provide a filter device for a disposable camera which prevents a user from feeling troublesome in the case of carrying the device and is instantaneously attached to the camera by realizing the reduction of cost and the miniaturization matched with the low-priced disposable camera.

The filter device is constituted of a filter holder 2 fit on the disposable camera 1 and having a hole 2A communicating with the lens 1A of the camera 1 in such a fit state, and a filter frame 3 holding a plurality of filters while the filters are arranged in series. The filter holder 2 has a guide part 2A guiding the filter frame 3 so as to set a plurality of filters on the optical axis of the lens 1A.