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Targeting Rifle Scopes - Long Range Sight is a Must

Jul 15, 2008
A scope or a telescopic sight is a mechanism used to give supplementary accuracy as a point of aim for artillery such as rifles, firearms, air guns and crossbows. Variations of sighting instruments are the age old iron sight, the red dot sight and laser equip sights. Scopes are made up of moving and non-moving parts protected by a covering.

The Scopes Primary Functions Are:

* To magnify a target
* Allow the shooter to define a specific target
* Lets the shooter achieve accuracy at its full potential

Given instruments such as the rifle scopes, a hunting enthusiast needs to consider investing in a more reasonably priced optics that he or she can afford that can justify his or her needs during hunting sessions. One explanation would be that in the long run, purchasing cheaper ones would eventually merit disappointment with its performance. In the process, your first investment will now be safely tucked in your storage rooms never to be heard or "seen" from again, making it definitely a waste of time and cash at that point when you would eventually buy for yourself a scope more worthy to keep for life.

How Do Scopes Work?

* Scopes make use of an optical structure that functions to increase the amount light received by the naked eye

* Light signals from the focused object or target enter the lens at the head of the scope, called the objective lens and are then magnified

* The image becomes enlarged and currently upside-down is further more magnified and adjusted to its "right-side-up" position by the lens found in the mid part of the scope called the erector lens

* Lastly, the rear end of the scope called the ocular lens projects a much magnified image of the target object embedded in the scopes' "aiming point" known as reticle or commonly known as "crosshairs" to the hunter's naked eye.

A very important characteristic of a rifle scope which serves as an indication to check the capacity of the scope for handling light is the scope's ability to play with contrast. An image's contrast can be improved by resolution. Resolution is the ability of coming up with a clear, crisp details of the target object.

Contrast:

* Is enhanced by the transmission of light

* Has values that are affected by the amount of mirrored surfaces

* Will depend on the reflection of light inside of the various glass

* Also depends on the quality of the "anti-reflective and mirrored coatings"

* It can lose its value due to glare - which is unnecessary light that inhibits internal parts of a rifle scope and occupies the viewing field

* Glare can also diminish important details and color quality of the object.

The Exit Pupil Is:

* The range of light that is visible to the hunter's eyes when the scope is held at the hunter's arm length.

* A measure of the quantity of light that reaches the shooters eye

In common poor lighted conditions in the area where a game might be, a hunter's eye dilates very small. If by chance the exit pupil of the rifle scope is smaller than the hunter's pupil, little light will reach the shooter's eye and the scope will command limitations on the shooter's ability to see.

Parallax is:

* The anticipated movement by the object with respect to the reticle that a hunter feels when the eye is moved slightly from one side to another

* It can be eliminated by adjusting manually the objective lens or the parallax knob. This will depend on how the scope is made.

Eye relief:

* It is the distance between the sight or the eye piece found at the end of the scope and the hunter's eye which is projected by the target object in focus.

* Short eye relief is hazardous because the shooter can be hit in the eyebrow by the back of the scope when the rifle recoils after squeezing the trigger.

* On the other hand, injuries can be avoided when there is proper eye relief.

Some other features commonly found on rifle scopes include windage and elevation adjustments. This can allow the shooter to zero-in the firearm or make field adjustments based on real conditions.

There are some rifle scopes with a selector knob provided to adjust the magnifying capabilities of variable power rifle scopes.

Lastly, there are scopes that may utilize a sun shield as an option to reduce glare. Some also may or may not employ lens covers to keep dust or moisture from gathering at the surface of each lens.
About the Author
William "Cole" Doggett is a knife expert and owns an Internet knife shop, Knife & Supply Company, LLC at Pocket Knife | Hunting Knife | SOG Knife. Check out the selection of Rifle Scopes!
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