To increase an adjustable range by decreasing a heated fixing time of a joint.

A shutter unit 12 is fixed to the rear face of a body 10 of a mount device by machine screws 14. A 1st metallic fixture 18 is fixed to a mount section 10b of the body 10 by machine screws 20 so as to clamp a low pass filter support frame 22. The support frame 22 is fixed to the metallic fixture 18 by machine screws 26. An image pickup element 16 is adhered and fixed to a front face of a 2nd metallic fixture 30. The metallic fixture 18 is provided with 4 legs 18b that are projected in a direction of the metallic fixture 30 and whose tips are folded in parallel with an image pickup face of the image pickup element 16. The metallic fixture 30 is provided with 4 legs 30a extended horizontally corresponding to the folded faces at the tip of the legs 18b. After the adjustment of the position, the folded faces at the tip of the legs 18b is fixed to the legs 18b with a molten metal. A hole 18c is made in the vicinity of the root of each leg 18b A flowing-down prevention shelf 30b that is folded as a shelf is formed to a lower end of each leg 30a in a way that the shelf enters the lower side of the legs 18b. A bole 30c is made around the root of the legs 30a.