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Contemplating Collimators

机译:考虑准直仪

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IF YOU OWN A Newtonian telescope, you need a collimator. It can be as simple as a focuser plug with a hole in the center, or as complex as a combination Cheshire sight tube with crosshairs and an angled reflecting plate. It might even be a laser mounted so its beam shines precisely down the optical axis of the scope. Most people think precision tools like the latter two need to be manufactured under exacting standards in machine shops with CNC milling machines accurate down to the gnat's whisker, but that's not so. You can make a perfectly good collimator in your home shop with little more than a saw and a hand drill. Here's how:
机译:如果您拥有牛顿望远镜,则需要一个准直仪。它可以像在中心有孔的聚焦器塞一样简单,也可以像带十字准线和成角度的反射板的柴郡观察管组合一样复杂。它甚至可以安装在激光器上,因此其光束精确地照在示波器的光轴上。多数人认为,像后两者这样的精密工具需要在加工车间按照严格的标准制造,而CNC铣床要精确到the状晶须,但事实并非如此。您只需用一把锯子和一个手钻就可以在自己的家庭商店中制造出非常好的准直器。这是如何做:

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