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How To Choose a Monocular- Monocular Specifications Explained

How To Choose a Monocular
Written by Robert Stevens

The monoculars just like the binoculars and scoping lenses are eye lens that can be used for a number of outdoor purposes like sightseeing and hiking purposes. Monocular comes in different sizes and can be used for different purposes. Regardless of whatever purpose it is that you are getting monocular, knowing its specifications is very necessary. In this article, we’ll explain How To Choose a Monocular user’s purposes in mind.

This article is based on our careful research and analysis to help you understand the facts about monocular. You can find out more about monocular specifications to have a more comprehensive understanding alongside what will be provided in this article.

Monocular Specifications at a Glance: 

In this article, we shall be looking at basic specifications of monocular everyone using one should know. It can also be very helpful for anyone who is looking to get one of the best monocular. A number of these monocular specifications explained here include –

  • Magnification power
  • Objective lens diameter
  • Field of view
  • Eye relief and close focus
  • Lens coating

How To Choose a Monocular-Everything You Need To Know About Monoculars

basic specifications of monocular


With each of these specifications already highlighted above, let us look at them one after the other and what to take note about them when getting a monocular.

1. Magnification

The quality and excellence of any monocular regardless of the purpose is identifiable by two major numbers including the magnification number as one. It helps you to know what the size of an object will be when it is viewed from the lens of the monocular.

The magnification power of monocular will aid your knowledge of the sight of objects to be viewed. The magnification power can be measured based on the specification of the monocular. So a monocular that has a specification of 10 x 40 in measurement, when used to view an object that is 10 meters away, will have the object appear like it is a meter away.

  • Short lens with a better magnification power is always best
  • The higher the monocular specification, the further you can see.

2. Objective Lens Diameter

The objective lens is the second number. This lens can be found in the front of the monocular. It helps to gather light that aids in seeing an image and determines how bright such image will appear on sight.

The diameter of the objective lens helps you to be able tell the amount of light that can be gathered, and how bright an image can be viewed when making use of monocular.

  • Larger lenses contribute to the increase in the size of the monocular.
  • The amount of light the lens can gather is based on the diameter length of the lens.
  • It is far from the eyes but closer to the object being observed.

3. Field of View (Fov)

The field of view is an area located on top of the eyepiece. It is measured in width by its feet and moves around a particular range or degree size. This is what makes the field of view of two major types which is the linear field of view and the angular field of view.

  • The field of view of every monocular determines the size of its field of view.
  • If you are able to calculate the size of a Monocular’s magnification power, you can use it to measure its field of view.
  • Go for a lens with a comprehensive field of view especially when your monocular are for sightseeing.

4. Eye Relief

Knowing the eye relief of the monocular is to know the distance between the eye and the eyepiece. With the eye relief you are able to view the field of view through the monocular. The more time you have spent putting on monocular, the more you will be able to understand eye relief and the distance that exists between your eyes and the monocular.

  • The higher the magnification power of a monocular, the higher the amount of eye relief needed
  • Monocular with lesser magnification power need just little eye relief while in use.

5. Close Focus

The close focus of the monocular is also a factor to be considered. This determines whether the focus will aid short sight or long sight. Monocular, especially those that are used for sightseeing, need to have their close focus specified to fit your eye defect type.

  • You will need a monocular with a far focus if you are short sighted and cannot see objects that lie far off.
  • For one who is short sighted, you will need a monocular with a closer focus.

6. Lens Coating

The lens coating is the material makeup of the lens that determines the thickness or otherwise of the lens. There’re different coating options designed for different purposes. For sightseeing, it is best for to get a lens with a very strong coating so that the lens can stay firm and in place. When the monocular is for other fun purposes, you can opt for lens with lesser coating.

What Is a Good Monocular?

With all the specifications to look out for in a monocular already provided above, how then do you know a good monocular? To know what is a good monocular is to find one that suits your need. The differences in purpose, is what makes relative a good monocular. So what is a good monocular to one person, might not necessarily be a good monocular to another.

  • A good monocular should have all the features in terms of objective lens diameter, magnification power, eye relief and close focus. Most importantly, all of this should come in the sizes you desire.
  • The use of quality materials is another prerequisite of a good monocular. You won’t want to get a monocular that goes bad after a while. Durability and reliability are two factors that makes good a monocular.

Your Monocular Should Be Compact and Versatile.

Your Monocular Should Be Compact and Versatile

A compact monocular is one that has the right features in place and in their right sizes. When getting a monocular, make sure it fits well in your case/purse and it stands well in terms of specifications and features. In addition, you wouldn’t love to use another device for night-time purposes provided that you intend to undertake some nocturnal, tactical activities. A night vision monocular with all desirable features can be a great pick in this regard.

A Waterproof Monocular Is an Outstanding Choice.

Besides being compact, a monocular that is waterproof is a good choice. The waterproof features allow you to take the monocular anywhere and do everything with it without the fear of having it damaged by water.

As a person who is about to get a new monocular, with these monocular specifications explained, you can be more detailed in your analysis. Make sure you first find out why you need the monocular. When you do, pay attention to the specifications to be sure they will serve the purpose for which you desire it to serve.

About the author

Robert Stevens

A Seasoned Hunter

It’s been several years that Robert, a retired teacher and a proud dad, has silently been piling up mature bucks down the South. This humble hunter began his hunting journey at quite an early age and since then, he spent countless hours in the woods and learned good lessons in terms of woodsmanship. Along the way, he also made money sharing his skill with his followers and well-wishers.

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