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How to choose the magnification of a telescope
What is the best multiple to buy a telescope? A telescope is an optical instrument that uses lenses or mirrors and other optical devices to observe distant objects. It uses light refraction through the lens or light reflected by the concave mirror to enter the hole and c...Read more -
How to choose between monoculars and binoculars
Which is better, monoculars or binoculars? If they are handheld, of course binoculars are better than monoculars. There is a sense of presence, in addition to a sense of three-dimensionality, both of which are important. Here's what we need to base our choice of monocula...Read more
