How a Red Dot Sight Works

If you are wondering how a red dot sight works, we’ve got you covered. In this brief post, you will learn what a red dot optic is and how it works. Read on, as we will also share some of the different types of red dot sights available in the market today.

If you want to improve your accuracy and precision skills at short ranges, it is important to invest in a reliable red dot sight. This is because they are designed to provide fast target acquisition for close to moderate ranges.

Red dots feature a red or green illuminated reticle. They are true 1x optics and do not feature a built-in magnification.

In addition, they are very durable and can be used on handguns, rifles, and shotguns. They are very lightweight but can handle high-recoil firearms.

Before we look at how red dot sight works, it helps to outline the top 10 best red dot sights in the market today that you can use for a wide range of shooting applications

Sig Sauer Romeo5 1x20mm Compact Red Dot
Aimpoint Micro T-2 Red Dot Reflex Sight with Standard Mount – 2 MOA – 200170
Vortex Optics Venom Red Dot Sight – 3 MOA Dot
Vortex Optics Crossfire Red Dot Sight Gen II – 2 MOA Dot , Black
Steiner DRS1X Red Dot Reflex Sight CQB Optic, Black
HOLOSUN – HS510C Reflex Red Dot Sight for Longer Barrels (2 MOA Dot, 65 MOA Circle)
Leupold DeltaPoint Pro Reflex Sight , Matte, 2.5 MOA Dot (119688)
Burris 300234 Fastfire III with Picatinny Mount 3 MOA Sight (Black)
Trijicon SRO Sight Adjustable LED 5.0 MOA Red Dot, Black
Trijicon RMR Type 2 6.5 MOA LED Red Dot Sight with No Mount

Let us learn how red dot sights work.

How Do Red Dot Sights Work?

 

Red dots work by using the same principle as Pepper’s Ghost, an old magician’s trick. It is very simple and involves the use of glass and light.

Red dot sights feature a spherical mirror that reflects the light emitted from an LED of its axis focus. It is important to note that the spherical reflector has a special coating, which only reflects red light and prevents other light from disrupting your reticle.

This means that the LED shines a beam of light onto a coated, slightly angled glass. The glass then reflects the light from an LED onto it. This creates your reticle allowing you to see through the optic. This is not the case on the other side of the optic.

The size of the red dot (measured in MOA) is controlled by an aperture hole in front of the LED.

Different Types of Red Dots

Here are the different types of red dot sights.

1.    Standard Rifle Optics

These are red dots that features a tube-based design. They are ideal for full-sized firearms and feature a 2 to 3 MOA red dot with a 25mm or more objective lens.

It is important to note that you can combine them with a magnifier or night vision optic to increase precision and accuracy.

2.    Miniature Red Dots

These are the smallest types of red dots available today. They can be mounted on a pistol or as a backup sight for standard rifle optics. A good example is the Burris FastFire 3 red dot sight.

They are getting smaller and smaller with advancements in technology.

 

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Conclusion

By now, we are sure that you know how a red dot sight works. They are very simple and very easy to use. This is why they are recommended for beginners who want to hone their precision and accuracy skills at short ranges.

In addition, red dot sights are ideal for tactical shooting applications. You can also use them for home defense. You can mount them on an AR, shotgun, or handgun because they offer a massive amount of benefits.

They will continue to be game-changers because they keep getting better and better.

 

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