PROBLEM TO BE SOLVED: To provide an imaging device including a simply-structured configuration which can prevent fog of optical members without decreasing the amount of light of illumination light supplied to a subject.SOLUTION: The imaging device includes: optical members 43, 42a, 44 frames 41, 42 which retain the optical members 43, 42a, 44 a heat conversion member 61 which converts infrared light I of an observation light L from an object that entered into the optical members 43, 42a, 44 and passing the optical members 43, 42a 44 into heat and a heat transfer member 62 which is connected to the heat conversion member 61 and the frames 41, 42 for transferring the heat converted by the heat conversion member 61 to the frames 41, 42.COPYRIGHT: (C)2013,JPO&INPIT【課題】被検体内に供給される照明光の光量を低下させることなく、簡単な構成により光学部材の曇りを防止することができる構成を具備する撮像装置を提供する。【解決手段】光学部材43、42a、44と、光学部材43、42a、44を保持する枠41、42と、光学部材43、42a、44に入射され、該光学部材43、42a、44を通過した被写体からの観察光Lの赤外光Iを熱に変換する熱変換部材61と、熱変換部材61によって変換された熱を枠41、42に伝達する、熱変換部材61及び枠41、42に接続された熱伝達部材62と、を具備する。【選択図】図3
