This article will give you most of the basic information needed in choosing a pair of binoculars. Choosing a pair of binoculars should not be a difficult or challenging experience. Use the guidelines listed below to help you choose the adequate binoculars for your viewing needs, especially if you are just beginning the world of up-close viewing.
o The first thing you should ask yourself when considering buying a pair of binoculars is, how much money do I want to spend for a pair of binoculars? This one question entails several answers and or other questions.
o How much? Binoculars come in many price ranges from very inexpensive, fifteen to twenty dollars each, to highly expensive models, up to several thousand dollars each. If you are buying your first pair of binoculars it is recommended that you start out at the lower end of the price range scale until you know what you are actually looking for in a pair of binoculars. Experienced binocular users generally know what they want as far as quality of binocular optics, power or magnification, waterproofing, barrels and other features that relate to binoculars and binocular use. Prices will normally increase, sometimes dramatically, as binocular quality goes up and binocular features expand. This is not to say that you can't enjoy up-close viewing with inexpensive binoculars.
o Binocular "power" or "magnification" is determined by the first numbers in the model designation, (example 10 x 50). 10 is the power or magnification ability of the binoculars which translates to making the object you are viewing appear 10 times closer to than viewed with the naked eye. A power of 10 is an all around good number for general binocular use, especially if you are a first time buyer. 10 power is somewhat in the middle of the power range and is good for most all viewing.
o Objective lens size, or the second number in the model designation example mentioned above is 50. The 50 represents the diameter of the objective or large lens of the binoculars in millimeters. This is important as this number determines how much "light" is gathered into the binoculars. The more light that is gathered into the binocular barrel, the brighter the image. The brighter the image also relates to how well you will be able to see in low light conditions. You will see much better in low light conditions (early morning, late evening or cloudy days) with an objective lens diameter of 50mm than you will with an objective lens diameter of 25mm. An objective lens diameter of 35mm to 50mm is a good place to start if you are new to the world of binoculars use.
o The next question you want to ask yourself is do I want large binoculars (standard size) or small binoculars (compact size)? Standard size binoculars must be carried in hand, on the shoulder or around the neck by the safety/carrying strap and can have higher powers and larger objective lens sizes than compacts. Most compact binoculars can be carried in the shirt pocket or coat pocket. The biggest disadvantage to compact binoculars is that they normally don't have an objective lens size of more than 35mm. A 25mm objective lens size is normally standard in most compact binoculars due to their small barrel size.
The above is basically all you need to know when purchasing a pair of binoculars. To recap, Price, Model designation (10 x 50) etc, and Size determination. There are dozens of other determining factors related to binocular choices and features. As you become more familiar with binoculars and your binocular viewing needs you can check the binocular sellers specifications for more information on a particular model of binoculars or go to the FAQ page of the binocular seller you are visiting to gain much more additional information that can and will influence your binoculars buying decision.
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