PROBLEM TO BE SOLVED: To reduce the size and weight of a device, while making it possible to photograph a radiation still image and a radiation moving image.SOLUTION: A radiation image photographing device 1 includes a housing 2 having a radiation incident surface R and a detection part P which is stored in the housing and has a plurality of radiation detection elements two-dimensionally arranged. In the radiation image photographing device 1, a module for a still image 40 having a functional part suitable for photographing a still image and a module for a moving image 50 having a functional part suitable for photographing a moving image can be attached and detached to and from the housing and only one of the modules can be connected by replacement.COPYRIGHT: (C)2012,JPO&INPIT【課題】静止画と動画の放射線画像の撮影を可能としつつも装置の小型化軽量化を図る。【解決手段】放射線入射面Rを有する筐体2と、筐体内に収納され、二次元状に配列された複数の放射線検出素子を備える検出部Pとを備える放射線画像撮影装置1において、筐体に対して、静止画の撮影に適した機能部を有する静止画用モジュール40と動画像の撮影に適した機能部を有する動画用モジュール50とが着脱可能であって、交換により一方のみが接続可能であることを特徴とする放射線画像撮影装置。【選択図】図1