1972年4月高桥第一款三片式复消色差（APO）望远镜TS80问世。

The TS80 built in April of 1972 was the first triplet apochromat Takahashi telescope built.

youdao

1972年4月高桥第一款三片式复消色差（APO）望远镜TS80问世。

The TS80 built in April of 1972 was the first triplet apochromat Takahashi telescope built.

youdao