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How To Use Binoculars

By Forest Ang

......Using a bin is like 1-2-3........

choosing magnification and brightness Choosing the magnification and brightness

Using bino step by step Using a bin: follow the steps 1-2-3

Choosing a Bino

Budget is one other consideration when choosing a binocular. I won't touch on the budget. (Bin or bino are the terms used by users of binocular)

  1. Magnification. The first number is always the magnification. An 8 means that the object will be enlarged by 8 times while a 10 means 10 times the magnification.
  2. Brightness. The second number is the diameter of the lens. The larger the diameter of the lens the more light passes through it. You will see a brighter object. However, as the diameter increases, the weight of the bin also increases.

Which Magnification is Better?

Answer : A larger magnification is of course the best choice as you can see the farthest. However, if you are searching for a small bird on a tree about 20 meters away then you will have trouble locating the bird.

Which Lens Diameter is Better?

Answer : A larger diameter is better as the lens permit more light to come through and increases the clarity of the object. You can see better in poor lighting. However, the bin becomes more heavier. And if you are hiking for long distances, you will curse the heavy bin!

So How to Choose?

A simple guidelines:

  1. For birdwatching in the forest, use 7X to 10X with diameter from 21 to 50.
  2. For horseracing in the open field, use 10X above with diameter from 40 above.
  3. For open space, use any magnification so long you can pinpoint the location of the object.
  4. For hiking, use 7X21 as it will be light and enough for normal views.

    How To Use the Bin

    Using is like ONE-TWO-THREE. Refer the SECOND picture (please click on the picture for larger view) above:

    1. Step 1, look through your left eye. Close your right eye. Choose an object 20 meters away.
    2. Step 2, you are now looking at an object with your left eye. Now adjust the knob number 2 until the object is sharp.
    3. Step 3, close your left eye and open your right eye. Now adjust the knob at 3 and looking at the same object at 20 meters away. DO NOT adjust the knob 2!

    Ok, you are now ready to use your bin. Goodluck and happy watching!

    Take care!
    forest sign   


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All photographs by Forest Ang unless mentioned.
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