nanjing intane optics engineering co., ltd.-pg娱乐游戏官网app

150mm off-axis collimator

1.5m cassegrain collimator

d300-aperture off-axis cassegrain collimator

off-axis reflective collimator

300 off-axis cassegrain collimator

the transmitted collimator with a focal length of 1m for a communication network supplier

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