The Parts Of A Rifle Scope – Everything About Rifle Scopes

A riflescope is small but the most vital part of a rifle. It’s an optical sighting device that allows you to get a better sight for accurate shooting. 

Though it appears to be a little tube with small glasses, there are much more components to know about. And without a clear understanding of them, scope maintenance will be difficult.

A riflescope’s anatomy is separated into two parts: internal and external. And, the trickiest part is to know everything about them. As well, It’s a bit challenging to use a complicated tool like scope without knowing it.

Further discussions will assist you in understanding all of the parts of a rifle scope. Also, a clear idea of the proper maintenance of the optics. So, let’s move on!

Parts Of A Rifle Scope 

Money can buy you a good scope, but its performance depends on your skill. So as the line follows, 

“Gun is a tool, you are the weapon.” 

Shooting accuracy is determined by how clear your sight is to your target. Furthermore, superior sighting is dependent on the scope you use. Also, there is no doubt that to have the ideal scope, you must first understand its components. That’s why all of the parts of a rifle scope are thoroughly detailed for your convenience.

Parts Of A Rifle Scope

1. Eyepiece

The eyepiece is the part where the gunman rests his eyes on a view of the target. More specifically, it is the part where the ocular lens is situated. However, Some riflescope models come with an adjustment ring in the eyepiece. The ring allows you to adjust the focus of the reticle according to your target.

2. Ocular Lens

The ocular lens is the front lens of the scope. Therefore, the ocular lens is smaller when compared with the objective lens. Usually, the primary function of the ocular lens is to gather the light in the other part of the scope and enhance the ocular focus ( in the objective lens). Also, the light transmission depends on this lens.

Usually, the ocular lens comes with different levels of coating to control the light reflection. Those coatings make the lens waterproof, weatherproof, and sometimes increase the light transmission. However, less expensive rifle scopes may not come with the coatings in the ovular lens. So, you will need to use them carefully.

3. Objective Lens

The objective lens is one of the most important parts of the riflescope. It gathers light to show you a clear view of the target. Also, they are bigger than the ocular lenses. The objective lenses are measured on a millimeter scale. The size of the objective lens is a core specification of the rifle scope. Besides, they are magnifying lenses. It is likely better to go for the bigger objective lenses as they gather more ambient light and offer a clear view.

4. Windage Turret

The windage turret is an essential part of the riflescope, which allows you to adjust the horizontal alignment of the reticle. It is located on the right side of the riflescope. There are clicks to adjust the alignment. Usually, you need to align the turret manually.

However, some riflescope requires a screwdriver or small coins for adjusting. Moreover, the windage turret alignment is measured in a minute of angle (MOA) or mill radian (MRAD). Some manufacturers allow you to choose a certain level of adjustment as you want.

5. Power Ring

The power ring is one of the adjustment controls of the rifle scope. It allows you to adjust the magnification range of the rifle scope. Almost all the riflescope available in the market has this part. 

How much zoom in or zoom out you can do in the scope depends on the power ring. For example, if the rifle scope comes with a 3-15x magnification power then it means the riflescope can zoom in distant objects from 3 times to 15 times closer to the shooter’s eye. however, the fixed magnification scopes have no power rings.

6. Scope Tube

The scope tube is the bridge of a riflescope that connects the ocular lens and the objective lens. Basically, the scope tube seems to be a solid piece of metal. But, 1-inch is the most common ring size. And, the tube size has to be similar to the scope tubes. In addition, scope rings along with the other attachments are fixed in the scope tube. This part in the shotgun scopes is a bit smaller than the riflescopes. In shotgun scopes, the common size of body tube diameter is 30mm. So, the most common tube diameters are 1-inch and 30mm.

7. Elevation Turret

The elevation turret is slightly similar to the windage turret. It is normally equipped in the scope body and allows you to make vertical adjustment for the reticle. Usually, the elevation and windage turrets come with same types of increment.

8. Parallax Error Adjustment

Some of the rifle scopes come with a third turret apart from windage and elevation turret. The turret is known as parallax error adjustment and it is situated in the left side of the windage turret. This parallax adjustment is significant for long-range shooting. It’s an adjustable objective mostly found in long-range scopes.

Usually, most of the riflescopes are zeroed within 100 yards. So, the riflescopes with adjustable magnification can create parallax error in long-range shooting. Here, the parallax error adjustment helps you to remove the error for shooting accuracy.

9. Objective Bell

We usually give importance to all other important parts of the scope, but we forget the objective bell. It is a slopped portion between the objective lens and the tube of the scope. You know the role of an objective lens in a scope. This piece of hardware (Objective bell) holds that objective lens in place. The objective bell also helps the objective lens in gathering much light to create a brighter image.

10. Eye Relief

I know what are you thinking? And I know the eye relief is not the hardware of a scope. But do you know how important it is! The eye relief indicates the distance between your eyes and the eyepiece. It determines how far from the scope, you can see the object.

The scope of having long eye relief is always better for any kind of shooter or hunter. Usually, the average eye relief is not less than 3 inches. The long eye relief also facilitates comfortable use of the scope . It also prevents your eyes from the injury that is produced by the backward movement (Recoil) of the rifle.

Tips To Maintain The Rifle Scope Properly

Now you have your best rifle scope and a clear view of what parts it has. So, maintenance of the scope will be much easier for you. And these tips here will add extra ease to achieve the goal.

  • Always keep the lenses and scope bases dust-free. Try to use microfiber cloths to remove the dust. Remember, a tiny spec of duct can leave a deep scratch on your expensive scope.
  • If you are using any substances for lens cleaning, make sure it is safe enough. And do not use it directly but with a soft cloth. Direct uses of the cleaning substance can harm the coating of the lens.
  • When you are not using the lens, try to keep the cap on because the moisture in the wind can store fungus inside the lens.
  • Whenever you are cleaning the lenses, also clean the ridges and the corners. Also, do not forget the adjustment knobs and other adjustment controls, as they also need regular cleanup.
  • Keep the battery compartment clean if your scope is one with batteries. And keep the batteries removed when you are not using it.
  • Do not clean the lenses frequently. Remember, cleaning is better when it needs to be. Excess anything is very bad. So, overcare can leave unwanted scratches.

Frequently Asked Questions (FAQ)

✅ What does the inside of a rifle scope look like?

The inside of the rifle scope doesn’t contain anything hazy. Some good quality scopes contain gas, which makes them resistant to water, fog, and others. The inside of the scope looks like the inside of a telescope, mostly.

✅ Is a 3-9×40 scope good?

In my opinion, the 3-9x scope is definitely good. The highest magnification capacity is 9X, which is powerful enough. And the diameter is wide enough of the objective lens. It is very much appropriate for the game up to 300 yards.

✅ What are the different parts of a rifle scope?

The parts of a rifle scope includes eyepiece, ocular lens, power ring, windage adjustment, elevation adjustment, windage bell, and objective lens.

✅ What does 3x9x40 scope mean?

3-9x40mm scope means the scope can magnify the target three to nine times, and the scope has a 40mm objective lens.

✅ How do you zero a scope?

First of all, mount the scope perfectly on the rifle and stable the rifle. Then set a target and use a laser boresighter to zero the scope. Don’t you understand? Follow this guide.

✅ What is the objective lens on a rifle scope?

The lenses are the most significant parts of a rifle scope. A scope contains two kinds of lenses: ocular and objective lens. The objective lens accepts and transfers light through the tube and helps in making a clear and bright image.

As the reports of Injury Epidemiology shows, every year, 430 unintentional deaths are reported in the united states. And, the number is rising day by day because of immature handling. So, when you are with a gun, it’s a must that you know every single part of it.

However, understanding all the parts of a rifle scope may take much time. And you might not remember all parts individually just after observing for a single time. So, take enough time and learn in detail. Learning about all the parts also eventually helps you become an expert hunter or shooter in the field.

Louis Harry

I love to hunt and shoot and in this course, I can feel the irritation of time-consuming shopping for the scope, especially in online so a good product review can help you to get over this and to provide you the basic knowledge so that you can get along with the dealing. But all the content available in online are not equally effective and helpful. Even most of them are really boring and lack of information or full of wrong information. Read More

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