Telescopes are all about the optics they use…so when buying a telescope, go for the best!

Telescopes are a wonder of modern science meeting optics. Its history dates back to 1609 when Galileo Galilee pointed the first ever telescope towards the skies. In the last four centuries, telescopes have become bigger-or smaller depending on the user’s need, stronger in terms of magnification and definitely in terms of visual clarity. Improved optics used in these modern telescopes mean that you are able to see the universe in a whole new light. The stars and the moon in faraway space suddenly have come much closer to us and we have the telescope to thank for it.

There are 3 types of telescopes used for stargazing- reflector, refractor and Catadioptric telescopes. Reflector telescopes use mirror combinations to catch light and form an image while a refractor telescope uses lenses instead of mirrors to do the same thing. Catadioptric telescopes use both forms of optics and thus benefit from the individual advantages of the two.

Telescopes, stripped down to the basics, are light collecting devices and the more light they gather, the better will you be able to view the planet or constellation you’re looking at. The ability of the telescope to collect light is dependent on four main factors. These are, the size of its primary lenses/mirrors, how well they transmit light, whether the insides of the telescope absorb light well or not, and finally, the alignment of the optics in the telescope. If you manage to keep these factors in mind, you’re well on your way to becoming a telescope pro. So own one and find your space, in space.
 

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