A calibration camera device for geometrical correction or color correction, including
an optical lens part, an optical filter part which is provided in front of the
optical lens part and to which at least three optical filters are attached, a filter
switching part to select any one from among the optical filters and dispose the
selected one optical filter at a photometric point, a near-infrared light cutting
part which is provided in the rear of the optical lens part and to which a near-infrared
light cutting filter is attached, a monochrome capturing part which is provided
in the rear of the near-infrared light cutting part and includes a monochrome imaging
element, an image storing part for storing a monochrome image which is captured
by the monochrome capturing part, and a gain correction part for conducting sensitivity
correction on the monochrome image.