外出旅游时,手中有一副称心如意的望远镜。是再好不过了,可你知道望远镜的历史吗?知道怎样选购望远镜吗?能玩转它吗? 17世纪初,作为改善或矫正视力缺陷的眼镜已经存在了几百年,眼镜的制造技术也已相当精湛,但是,谁也没有想到把两个镜片放在一起使用会产生什么样的效果一天,荷兰小镇的一家眼镜 When traveling, there is a well-known telescope in his hand. It’s better, but do you know the history of the telescope? Do you know how to buy a telescope? Can you play around with it? At the beginning of the 17th century, glasses that were used to improve or correct vision defects have existed for hundreds of years. It is also quite superb, but no one thought of putting two lenses together to use what would produce the effect of a day in a Dutch town of glasses