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Q: can We view this in mars or Jupiter closely?

Задавает scienix на 2019-08-08 10:31:07

pancho Magnification: Monoculars are identified by two numbers, for example, 5x20, 10x30, or 12x50. The first number is the magnification and the second is the size of the object lens (the far end). The larger the diameter, the brighter the image.Nov 13, 2018

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