First thing to consider when looking at Binoculars is how we are going to use them. Binoculars allow excellent moon views, and great viewing of star fields, comets and even deep sky objects.
Consequently, spotting scopes are not only for the elite, but are becoming both essential and accessible equipment for the avid birder. Various accounts exist about monoculars in ancient arabia and in many of other parts of the world. 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. But mass production and better technologies have brought down the price substantially, so that the common person can afford them. In order to define the quality performance of their products, binocular makers present the field of view in mathematical conversions that show a variance of fields.
One fascinating use of binoculars is looking at the night sky. Also be aware, that night binoculars cost much more than ordinary binoculars.
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