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Understanding Minute of Angle (MOA) in Firearm Optics

Understanding Minute of Angle (MOA) in Firearm Optics

Most rifle scopes designed for precision shooting have turrets calibrated in 1/4 MOA per click. That means for each click of the elevation or windage turret, you’re moving the point of impact roughly 0.25 inches at 100 yards.

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How Astigmatism Affects the Use of a Red Dot Sight

How Astigmatism Affects the Use of a Red Dot Sight

How Astigmatism Affects the Use of a Red Dot Sight Astigmatism is a common vision condition caused by an irregular curvature of the eye’s cornea or lens. This imperfection disrupts how light enters the eye, leading to distorted or blurred vision. When using optical devices like red dot sights—frequently used in shooting sports and tactical applications—astigmatism can significantly reduce clarity and accuracy. What Happens with a Red Dot Sight? A red dot sight projects a round dot onto a lens, which the user aligns with a target. For those with normal vision, this dot appears sharp and precise. However, individuals...

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Red dot vs. Holographic Sights

Red dot vs. Holographic Sights

Red dot sights use a simple LED to project a red (or green) dot onto a specially coated lens. The dot is reflected back to the shooter’s eye, creating the appearance of the aiming point. This system is known as a reflex sight.

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Sighting in your reflex sight

Sighting in your reflex sight
Sighting in a reflex sight requires patience and precision. Here's a basic method:

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Astigmatism and reflex sights

Astigmatism and reflex sights
Astigmatism, a common eye condition affecting the shape of the cornea or lens, can significantly impact the clarity of vision when using firearms reflex sights. For individuals with astigmatism, the reticle or aiming point may appear blurry, distorted, or elongated, making it challenging to acquire and maintain proper sight alignment. This distortion can compromise accuracy and hinder target acquisition, especially in fast-paced shooting scenarios.

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