| 摘要 |
PROBLEM TO BE SOLVED: To make an internal structure such as an optical block on the inner side of a dome type cover hard to see from the outside and to make monitoring by a video camera unnoticed as much as possible. SOLUTION: The optical block 3 attached detachably to the front surface of the cylindrical main body 2 of this dome type video camera device 1 is constituted so as to be rotated 360 deg. in a pan direction by a universal joint mechanism 4, only a part equivalent to the angle adjustment area of the tilt direction of the optical block 3 in the dome type cover 5 for covering the outer periphery of the movable area of the optical block 3 is constituted in a light transmittable area 501 in an oblong hole shape and the other area is constituted in a light non-transmittable area 502.
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