Rifle Scopes Only

How do you shop for a rifle scope that fits your game? It depends on three things: the type of shooting you do, the type of gun you use, and your personal preferences for features like reticle type and color.

To determine which rifle scope is best for you is to educate yourself on the “basics” – the anatomy, the power, where and what it’s best used for. Once you get a handle on the basics, you can make a more informed decision on which is best for your application.

Rifle scopes work by magnifying an image and placing your eye on the same optic plane as your target. Magnification works by bending light rays with a number of lenses within the scope. The higher the magnification,the longer the scope. Lower magnification scopes are smaller and contain less lenses.
There are components that all rifle scopes include: a reticular or crosshair, a dot, a post or some marking to help align the gun with the target. A “reticle” is another term for the “crosshair”, a " +" shape, that shows on the target to aid in alignment. The “crosshair” may also be a “dot” or a “post” (line) the assists in centering.

Riflescopes work to eliminate the aggravation of “open sights” and allow for more precise shooting.
A rifle scope is composed of two tubes, one inside the other. The inner tube refracts the light allowing the amount of magnification and the outer tube is for protection and for mounting.

Rifle scopes usually contain the following components;
• 1 ) Eye Piece: Attaches to the eye-bell and holds the ocular lens.

• 2 ) Ocular Lens: The lens nearest to your eye.

• 3 ) Eye Bell: Houses the eye piece and attaches to the tube.

• 4 ) Eye Relief: Refers to the distance between your eye and the ocular lens when you see the full field of view.

• 5 ) Power Ring: Allows you to rotate and change the magnification on the scope.

• 6 ) Windage Adjustment: Changes the aiming point of the scope left to right (horizontal plane)

• 7 ) Elevation Adjustment: Shifts your aiming point higher or lower (vertical plane)

• 8 ) Outer Tube: Provides a mount for the eye piece, eye-bell and objective bell.

• 9 ) Objective Bell: Encases the objective lens and the tube gets attached to it.

• 10 ) Objective lens: Collect the light that enters the scope. The higher the magnification the larger the diameter of the objective lens.

• 11 ) Adjustable Objective Lens (AO): Fixes the parallax error by adjusting the objective lens. A parallax error is caused in a medium to high powered microscope, when the scope's "eye" is not focused at the right distance.

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What is Night Vision and what do the different generations mean?

admin — Wed, 24 Mar 2010 02:32:08 +0000

UNDERSTANDING NIGHT VISION AND THE TYPES OF NIGHT VISION DEVICES

Night vision is just that – seeing your target when it is completely dark. Night rifle scopes gather any existing light – starlight, moonlight – and filter it through the front lens – it then goes through a complicated refraction process within the scope and it then amplifies it back into visible light through the eyepiece. This refracted light gives you a scene through a “greenish light”.

ATN MK 410 NIGHT VISION WEAPON SIGHT RIFLE SCOPE MK 410 21 Bids US $401.00

There are FOUR TYPES OF NIGHT VISION – they are referred to as 1st, 2nd, 3rd and 4th Generation. This denotes the difference in the type of tube within the rifle scope that intensifies the light.

1st Generation Night Vision

These are the most popular whether hunting, boating or hiking. They amplify any existing light several thousand times ensuring that you can see in the dark. They are inexpensive and provide a relatively bright and clear image. The downside is that they do “whine” when first turned on and the image can be a bit blurry around the edges. It may also still glow green for a bit after turned off.

2nd Generation Night Vision

This is a higher-cost device as they have an MCP (micro-channel plate) which gives a brighter, clearer image than 1st Generation. This is the typical rifle scope used by law enforcement and professional purposes.

3rd Generation Night Vision Rifle Scopes

This scope is a ramp up from the 2nd generation rifle scope. It is easier to use, has a brighter, sharper image where very little light is available. It is also made with an “ion barrier film” increasing the tube life making it a more durable device.

4th Generation Night Vision Rifle Scopes

At this time in the technology, this is the ultimate. They have the best resolution in extremely low light scenarios. The cost is extremely high, but the performance of 4th Generation Rifle Scopes are unparalleled and can provide visibility in near zero light situations.

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