Collimating lens 准直镜 ; 校准镜片 ; 准直物镜

optical collimating lens 光学准直透镜

low-light-level collimating lens 微光准直镜

collimating-lens 准直镜

sight collimating lens 瞄准具视准透镜

aspheric collimating lens 非球面准直物镜

optic fibre collimating lens 光纤微准直透镜

Night Vision Collimating Lens Design 微光准直系统设计