the history of binoculars

17世纪初的一天，荷兰密特尔堡镇一家眼镜店的主人科比斯赫，他为检查磨制出来的透镜质量，把一块凸透镜和一块凹镜排成一条线，通过透镜看过去，

发现远处的教堂的塔好象变大而且拉近了，于是在无意中发现了望远镜原理。1608年他为自己制作的望远镜申请专利，并遵从当局的要求，造了一个双筒望远镜。据说密特尔堡镇好几十个眼镜匠都声称发明了望远镜，不过一般都认为利比赫是望远镜的发明者。

参考：A Brief History of Binoculars
3500 BC
Phoenicians cooking on sand discovered glass around 3500 BC, but it took about 5,000 years more for glass to be shaped into a lens for the first telescope.

1608
A spectacle maker, Hans Lippershey of Holland is often credited with the invention of the telescope, but he almost certainly was not the first to make one. Lippershey was, however, the first to make the new device widely known. Modern opinion is that Lippershey's instrument was likely 3 or 4 power, with an objective of an inch and one half or less in diameter.

1609
The telescope was introduced to astronomy in 1609 by Italian scientist Galileo Galilei, becoming the first man to see the craters of the moon, and who went on to discover suns