PROBLEM TO BE SOLVED: To provide a technology to clearly image tablets that can transmit a light while conveying them by a conveyor belt with absorption holes.SOLUTION: An image acquisition device includes a conveying mechanism, an epi-illumination part 71, a transparent illumination part 72, and an imaging part 73. The conveying mechanism moves a conveyor belt 12 and conveys tables 9 while absorbing and holding the tablets 9 in absorption holes 14 provided to the conveyor belt 12. The epi-illumination part 71 applies light onto the tablets 9 from a surface 12 side of the conveyor belt 12 where the tablets 9 are held, and the transparent illumination part 72 applies light onto the tablets 9 from a reverse surface 12b side of the conveyor belt 12. When imaging is performed by the imaging part 73, the light is applied from both the epi-illumination part 71 and the transparent illumination part 72. Thereby, a part of the tablet 9 that overlaps with the absorption hole 14 and a part that does not overlap with the absorption hole when viewed from the imaging part 73 can be both illuminated brightly, and the tablet 9 that can transmit light can be imaged clearly.SELECTED DRAWING: Figure 5【課題】光を透過可能な錠剤を、吸着孔を有する搬送ベルトで搬送しつつ、錠剤を鮮明に撮影できる技術を提供する。【解決手段】この画像取得装置は、搬送機構、落射照明部７１、透過照明部７２、および撮像部７３を有する。搬送機構は、搬送ベルト１２に設けられた吸着孔１４に錠剤９を吸着保持しつつ、搬送ベルト１２を移動させ、錠剤９を搬送する。落射照明部７１は、搬送ベルト１２の錠剤９が保持される表面１２ａ側から錠剤９に向け、光を照射し、透過照明部７２は、搬送ベルト１２の裏面１２ｂ側から錠剤９に向け、光を照射する。撮像部７３による撮影を行う場合、落射照明部７１、透過照明部７２の双方から光を照射する。これにより、錠剤９のうち、撮像部７３から見て吸着孔１４と重なる部分および重ならない部分の双方を、明るく照らすことができ、したがって、光を透過可能な錠剤９を鮮明に撮影できる。【選択図】図５
