PROBLEM TO BE SOLVED: To provide a holding tray and a bucky photography platform, capable of photographing, with high accuracy and high quality by a simple constitution, up to a range beyond an imaging region when a conventional x-ray detection panel is arranged vertically or laterally.SOLUTION: A holding tray 5 for holding an x-ray detection panel P on a mounting surface, includes a fixed projection part 55 and a movable projection part 56 capable of locking on the mounting surface, the x-ray detection panel P in a plurality of holding patterns having each different kind and/or arrangement direction of the x-ray detection panel P, and a sensor 57 capable of detecting the holding pattern of the x-ray detection panel locked on the mounting surface.SELECTED DRAWING: Figure 1【課題】従来のＸ線検出パネルを縦又は横に配置したのでは撮像領域に収まらない範囲まで簡易な構成により高精度・高品位に撮影することが可能な保持トレイ及びブッキー撮影台を提供する。【解決手段】載置面上にＸ線検出パネルＰを保持する保持トレイ５に、Ｘ線検出パネルＰの種類及び／又は配置方向の異なる複数の保持パターンでＸ線検出パネルＰを載置面上に係止可能な固定突起部５５及び可動突起部５６と、載置面上に係止されたＸ線検出パネルＰの保持パターンを検出可能なセンサ５７備えた。【選択図】図１
