Choosing a correct rifle scope is not less important than choice of the rifle itself. If you want to choose a worthy scope for accurate reliable rifle then it should cost at least half the price of your weapon. A scope with such price ratio will uncover the potential of your rifle in the best way. Of course it can cost much more but it should never cost less. bjak
It is hard to find two similar scopes but finding two identical scopes is harder. Despite the fact that the exterior can be completely or almost identical, they may still differ from each other. In addition, the price on the rifle scopes with same characteristics and similar appearance may vary 10-20 times! So what is the difference?
Lenses are the main parts!
The Rifle Scope is a complex optical instrument. Its design is as complex as the design of camera lens or a telescope. And what is most important in an optic? Right… it is the quality of the lens!
Lenses are the most important things in the scope. This is what forms the image. So how do you make a choice and understand the difference between?
First of all, the image quality depends on the chemical composition of the glass and its method of manufacturing. treecuttingbranchoutservices While Cheap Chinese rifle scopes have poor quality glass, you won’t find this problem in the pricy US models. The smallest defects in the glass are invisible to the naked eye – the bubbles, smoke, or pebbles -not only make the image blurry, but also distort it. Insufficiently clear glass will significantly reduce aperture ratio of rifle scope that will affect your shooting in low light conditions or at a high magnification.
All these drawbacks and defects often occur in cheap scopes. So if the budget allows you to buy a quality product then you should do it. To make a really good rifle scope manufacturers use special optical glass. This glass has outstanding characteristics (transparency, uniformity, dispersion and refractive power) and can be used in camera lenses, telescopes, binoculars and other optical apertures.
A good lens should also has perfect shape and an ideally smooth surface. It passes many steps of mechanical manipulations before taking its place in the optical system of the rifle scope. Clarity, color, detail and, most importantly – the health of your eyes depends on quality manufacturing of lenses. This process is very consuming and complex. Observation of a target using dark and muddy scope is very unpleasant and an unwelcome burden to your health. So it is better to use clear and light optics.
Lenses are coated with special multiple coating which reduces the reflection of light, making the image brighter and producing contrast. Well-known manufacturers keep the secret of this coating so manufacturers of cheap scopes don’t reproduce their product and maintain poor quality of coating.
Such manufacturers as Leupold, Nikon, Redfield, Burris, Zeiss, Bushnell, Trijicon are recognized masters in the production of rifle scopes.
Objective Lens Diameter.
Characteristics of the scope and its use will highly depend on size of the objective lens. Large objective lens has its obvious benefits, such as: better light transmission and larger exit pupil at high magnification (see below).
But on the other hand – such a rifle scope would be big, heavy (which is highly uncomfortably if you have to walk with your weapon a lot, especially in a deep woods) and required higher mounting, which makes it less comfortable to shoot. Sometimes they are too “delicate”. Rifle scopes with large objective lens traditionally are not mounted on spring rifles because of the two-way recoil generated by the mainspring, which can cause damage to your scope.
Exit Pupil.
Size of objective and ocular lenses determine such important characteristic as exit pupil — the small circle of light that appears in the eye-piece when you hold a scope at arm’s length. There is an easy formula to calculate exit pupil: you need to divide the size of the objective lens in millimeters by magnification. Exit pupil size is larger in scopes with large objective lens and small magnification. Ideally, this value should match the size of the shooter’s eye pupil. However, the human eye flexibly adapts to light changing. In the dark pupil can extend to 6-7 mm, and in the bright light narrowed to 1 mm. By age 50, the maximum eye pupil may be close to 5mm. The rifle scope does not change its characteristics yet for shooting at dusk it is necessary to reduce magnification or use a scope with better aperture and light transmission.
Thus, the larger the exit pupil – the easier it will be to use such a scope. To an untrained shooter, a scope with an exit pupil of more than 7 mm is perfect, while its value of 1.5 mm may create difficulties even for experienced shooter.
Field of View (FOV).
This is an amount of view you see through your scope from right to left at that distance. It is measured in degrees or feet at 100 yards. Wide field of view allows you to monitor and search your target with more convenience. Note that larger objective lens size does not extend to the field of view. That depends completely on the construction of the scope.
What do you need to know about magnification?
Magnification is one of the most important characteristics of the rifle scopes. It determines where you can use your scope and where you cannot use it. The 3x-9x magnification is standard for the white tail deer. While for antelope or mule deer in Western states it is better to use 4x-12x or 4.5x-14x because of the longer average shot than it would be in eastern whitetail woods. A 6x-20x or 8x-25x scopes does not have too much power for prairie dogs or long range target shooting.
Before we go into further details it is worth to mention that magnification of 4x does not mean that image will be 4 time larger then you can see with the naked eye. To understand right way what magnification is – we need an example. Let’s say you’re looking at a target from the distance of 100 yards. And if you will take a look at it through rifle scope with magnification of 4x, the image will become the same as if you would look at it from the distance of 25 yards. So the target actually became 4 times closer to you. Thus it will become larger, but not 4 time larger. The real increase of the size will depend on distance to your target. For more info please visit these sites:-http://Daytimestar.com
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