| 扬帆远航 |
2013-07-22 23:08 |
各种同轴三反、离轴三反系统
各种同轴三反、离轴三反系统,你能想到几种?能设计出几种?设计的像质如何?加工装调误差严 or 宽松? BLcsIyq 如有特别的、不同的TMA系统可回帖补充......
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