The Best Binoculars - Things to Know Before Buying Binocular

Posted by camerawarehouse on May 13th, 2019

Binoculars may appear the same, but they are actually different. They vary not only in terms of prices but also in terms of sizes, magnification, objective lens, diameter and other factors. Understanding binocular specs is the most effective way of finding the best pair that suit your needs.


The size of the binoculars is defined by the size of the objective lens. Each size is designed for various outdoor applications.

  • A full-size objective lens is usually used by serious wildlife explorers and birdwatchers. Since the lens is bigger, full-size binoculars provide a clearer and wider viewing experience. They can capture more light and thus perform better in low-light environments.
  • Mid-size binoculars are used for wildlife viewing and sports. Some prefer this type because it is a bit lighter than full-size binoculars and is clearer and wider than compact binoculars.
  • Compact binoculars are the lightest and smallest. Because it is small, it can only be used for outdoor activities during the daytime and not in low-light situations.

Magnification Power

The numbers indicated in a binocular’s specification indicate the magnification power x lens diameter. If you have a pair of 8 x 42 full-size binoculars, that means it has a magnification power of 8. The object will appear 8x closer than it would without the binoculars. Magnification power greater than 10 allows the object to appear more than 10x closer. However, viewing will be greatly affected by your movement.

Lens Diameter

The objective lens diameter is measured in millimetres. Therefore, if the binoculars have an 8 x 42 specification, its lens diameter is 42mm. The bigger the lens diameter, the more light your binoculars can gather. And with more light, you're able to see a clearer and brighter view. This is particularly helpful in low-light conditions.

Eye Relief

If you are wearing glasses, then this is one of the most important factors you must check. Eye relief is the distance between the binocular's eyepiece and your eyes where you can still see the whole field of view. Binoculars with long eye relief are preferable because you don't have to hold them too close to your face, which may cause strain.

About the Author:

Ben Noori is Head of sales at Camera Warehouse, located in Tempe, New South Wales, Australia is a leading retail and online store for the digital camera, camera accessories and camera lenses. Camera Warehouse is 100% Australian controlled business that sources all stock from Australian suppliers and provides a genuine manufacturer's warranty on every item.

Also See: Lens Diameter, Size Binoculars, Objective Lens, Magnification Power, Size, Lens, Binoculars
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