To allow the user to easily photograph a plurality of partial pictures used for generated a panoramic picture.

A fixed mark 32 shown in a square is displayed in the middle of a screen frame 31 of a viewfinder 18. Then a target frame 33 shown in dotted lines is set in the inside of the screen frame 31 and a partial picture is photographed by one frame when a movable mark 34 overlaps the fixed mark 32. When the partial picture is photographed, the target frame 33 and the movable mark 34 are moved in a horizontal or vertical direction to photograph a succeeding partial picture. Then the user moves a viewfinder while observing the viewfinder 18 so as to display the target frame 33 and the movable mark 34 in a way of approaching the screen frame 31 and the fixed mark 32 and the succeeding partial picture is photographed when the target frame 33 is contained in the screen frame 31 and the movable mark 34 overlaps the fixes mark 32.