Essentially, all binoculars and scopes are derived from classical telescopes, which consist, in their most basic fashion, of two lenses. When purchasing a pair of binoculars you want to know that you are purchasing the best possible pair.
You should always use a professionally made binocular lens cloth to clean them. Waterproof and fog-proof binoculars are now available. The magnification factor tells you how many times larger the object will be magnified, a number of between 4 and 7 is ample for most applications.
If you will be staying in one spot for a period of time then it might be to your advantage to consider mounting the binoculars on a tripod which would free up both hands and not require you to find the viewing area, refocus, and keep steady each time you pick them up. Cost is another factor to consider. A great benefit with buying from specialist telescope sellers is that they can give you advice about what telescope is best.
One of the biggest benefits of buying online is that you can find the best telescope for your needs, and you can also get the best prices for telescopes online. Galactic clouds and star clusters look dim when viewed by the naked eye, but with binoculars they are much clearer. The first number separated by the "x" is the power of the binocular, and means the object being viewed appears to be that number of times closer than you would see without the binoculars.
The greater the magnification, the narrower the field-of-view. Make sure you look at the len's coating when making your purchase of binoculars.
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