focusing telescope

长波红外远焦可调式... ... ) afocal telescope 焦外望远镜 ) focusing telescope 调焦望远镜 ) infra-red telescope 红外望远镜 ...

... focusing system 聚焦系统; 聚焦系统 focusing telescope 聚焦节距镜; 聚焦节距镜 follow focus attachment 跟踪调焦装置 ...