PURPOSE: To continuously adjust field location and to easily enable a fine forcus adjustment by moving a lens barrel to the flange fixed to a printed board freely forwards and backwards and providing an inclined part which is engaged to the plural inclined engagement parts of the lens barrel and has a step on the flange. ;CONSTITUTION: A television interphone camera 6 fits a lens barrel 3 on which a lens 4 is mounted in the flange fixed to the printed board 1 and the forcus adjustment of the camera 6 is performed by the fitting adjustment at the time. In the outer peripheral part of the lens barrel 3, a first inclined part 34 making a round with a step 33 in the base part 32 of a fitting protruding part 31 and a second inclined part 36 making a round of the outer peripheral part of the part 34 with a step 35 which is different from the step 33 and at a 180° opposed location are provided. In the end part of the flange 2, a third inclined part 23 being engaged to the part 34 and making a round with a step 22 and a fourth inclined part 25 being engaged to the part 36 and making a round with a step 24 are provided. The protruding part 31 of the lens barrel 3 is fitted into the flange 2, the step 33 and 35 are fitted to the steps 2 and 24, the lens barrel is revolved, the locations of the parts 34 and 23 are changed, and the protruding part 31 is fixed to the flange 2 by a screw 7 after a focus location is determined.;COPYRIGHT: (C)1995,JPO
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