RADIATION IMAGE CAPTURING APPARATUS

A radiation image capturing apparatus, comprises a radiation image detector arranged so a to face a radiation source or an object and comprising a scintillator to receive a radiation image and to emit image light; a lens unit array comprising a plurality of lens units and to focus the image light; and a plurality of area sensors arranged so as to correspond in number to the plurality of lens units and to convert the focused image light into image data; and a calibrating device comprising a repetition pattern provided at a light incident side of the plurality of area sensors and to conduct calibration to correct the image data converted by the plurality of area sensors on the basis of the repetition pattern.