objective carrier

... objective aperture 物镜孔径 objective carrier 镜头座 objective changer 镜头转塔，镜头转换盘 ...

 objective holder

... objective grating 物镜光栅 objective holder 镜头座 objective lens 接物镜，镜头 objective micrometer 物镜测微计 ...

[摄] lens mount

... 镜头组接 montage 镜头座 lens mount 局部遮光法 dodging ...