Correction collar objective

  • 网络带校正环物镜

Correction collar objectiveCorrection collar objective

Correction collar objective

带校正环物镜

2)带校正环物镜correction collar objective)在物镜中装有环状的调节环。当转动调节环时,可调节物镜内的透镜组(一般为 …

热词推荐