What Do the Numbers on a Night Vision Scope Mean?

When you first begin shopping for a night vision scope, you will be amazed at the number and models available on the market. Manufacturers of night vision scopes, thermal scopes, and other scopes use a series of numbers to help users identify various features of a riflescope. If you have no idea what these numbers mean, it can be very overwhelming.

Let’s look at the two most common numbers that you will see manufacturers put in their product title to help you identify them better. Let’s start off by looking at what these series of numbers mean: 3.5-10x50 or 4x32.

Magnification Power

When we look at 3.5-10x50 or 4x32, the first number in each series is 3.5-10 or 4. This signifies the magnification power. The power identifies the magnification of the scope when viewed through the unaided eye. 4x32 is a fixed power night vision scope. This means that the object in view is magnified 4 times, which will appear 4 times closer than it would appear to the naked eye. 3.5-10x50 is a variable power. This means that the shooter can vary the magnification of the scope from 3.5 times up to 10 times, stopping anywhere in between. Variable power allows for greater versatility of your night vision scope.

You should understand what type of hunting you plan on doing before selecting the power you would like on your night vision scope. If you will be planning close encounters, a low power fixed scope with 4x magnification would be great or even a variable scope that starts at 3.5x magnification. However if you are looking for a scope with longer range, a night vision scope that goes as high as 16x or 20x might be in your best interest.you might want a scope that goes as high as 16x or even 20x. If you plan on hunting and using your riflescope for all types of hunting or shooting, a variable power scope with a range of 3.5-10 or 4-12 will allow flexibility and versatility.

Objective Lens Size

The second number in the scope such as the 50 in a 3.5-10x50 is the diameter of the objective or front lens. This is called the objective lens size. This means that the outer lense is 50mm in diameter. The larger the number, the larger the lens. Large lenses are heavier and bulkier, but they offer larger fields of view and also let in more light. This allows for a clearer image when you are in very low light conditions.

The right night vision rifle scope will magnify the image, making hitting the target all that easier. Now that you are able to understand that the numbers on the scope tell you the size of the lens and how much it magnifies it will make your shopping experience easier.



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