If you've clicked your way to this article, I assume you are either interested in buying a telescope or are at least flirting with the idea.
Your dilemma, however, is you don't know a lot about telescopes in general, particularly what makes one a quality instrument and another not worth hanging your hat on.
Moreover, there appear to be a staggering number of models on the market at wildly different prices. How can you know if the telescope you might buy is worth the money you are forking over?
Before buying anything -- breathe in, breathe out and ask yourself five common-sense questions.
1) Why do you want to buy a telescope?
Do you want to provide a meaningful learning experience for a child, or do you want to test the waters to see if little Jimmy or Becky will follow through with their interest? Or is this the first step toward your own personal pursuit in astronomy? Do you envision sweeping up a panoply of galaxies and star clusters, discovering a comet or looking down into the craggy craters of the moon? Perhaps you just want to have a telescope on hand for the next lunar eclipse or bright comet, or to take with you on camping trips.
In short, if your purpose is event-driven or casual observing, shoot for a simple, lightweight, low-cost telescope with a wide field of view and good optics. Ditto if you're buying a telescope for a child whose interest might be ephemeral. You might even consider binoculars.
If your or the child's interest is unquestionably spirited and steadfast, then you will want a telescope that will nurture rather than limit a developing interest. In that case, lay out a few more bucks for a larger, more well equipped model that has, it should go without saying, good optics. You won't regret it.
2) How much do you want to spend?
The answer to this question usually cuts through the fog of indecision. Good beginners' telescopes run anywhere between $250 and $600. More money buys more bells and whistles, but not necessarily more enjoyment. If you spend a lot of money on a complex telescope you don't use very often, how much fun can that be? You want a telescope that you will use and, perhaps, grow into -- not one that limits you the moment you take it out of the box or that you later rue for having spent too much money.
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