Developed specifically for dismounted operations in urban environments and the subject of a rapid acquisition by the Aus2005年初由澳大利亚陆军提出并专门为城市环境内下车作战和快速捕获目标而开发了离轴观察装置，它能加长眼睛观察时间并能使射手在墙、障碍物后面或绕过墙角处观察目标。