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If you use the sight on your hunting rifle, you need to decide where the hunt will take place and for what. A few decades ago, classic, fixed 4x or variable 3-9x sights were common among many basic hunting rifles. Since shots at 100 meters are ubiquitous for everything from wild boar and deer to coyotes, these lower magnification scopes were ideal. Today, candidates for a universal sight used for such purposes as optics for hunting should be with lower magnification levels, but now with a scaling factor of 4: 1 (2,5-10) or even more.
If you shoot at long distances with the help of full-size rifles, you will need a magnification of 12x-20x. Unlike manual shooting with low-power scopes, any magnification exceeding 10x requires a supported position.
Structure
The body of the sight or "main pipe" can vary in diameters of 25 mm and 30 mm, it largely depends on the brand and type. Buying a scope with large tubes provides more room for internal components and increases the range of adjustment, which is vital for aiming at long distances. In addition, a larger case requires special mounting rings, which can be more expensive and more limited in choice. If he spends a lot of money on a scope, he spends more than 3 thousand. rubles there is no need for basic fastening.
As a typical feature, all modern sights are like that Pulsar Helion purged with nitrogen or argon to prevent fogging, as well as waterproof and shockproof. The Nikon Buckmaster, like many other quality scopes, is nitrogen-enhanced to make it completely fog and waterproof.
Lens
Here the situation is quite simple: the larger the lens, the more light can enter the scope, providing better performance in low light conditions. The size of the objective varies from 20 mm to 72 mm, but it should be remembered that for optics with a glass cap of 50 mm or more, the optical sight must be installed higher. This can affect the alignment of the field of vision and the consistency of the cheek seam. In any case, always set the sight as low as possible so that the lens does not touch the barrel.
To ensure maximum brightness, lenses must be protected by some hydrophobic or hydrophilic coating for lenses and have several layers on all surfaces from air to glass. This highest level of coverage is known as fully laminated glass.
Eye relief
While the most common eye sight is about four inches, lower-quality sights boast only 6-7 cm, and this is a very short distance between the eyes for higher-recoil rifles. As a warning, owners of high-powered rifles should be more careful to avoid hitting the scope. There is a special niche of firearms that requires long eye sights. These sights are most often found on scout rifles, some surplus rifles and hunting revolvers with eye reduction from 9 to 15 cm.
Parallax
Parallax is not present at all in most low-magnification scopes, but it occurs in high-power scopes used at long distances when the line of sight is not precisely aligned. Parallax is an optical illusion that increases with magnification, giving a greater margin of error at higher powers, and must be corrected. High-powered scopes usually have an adjustment ring located on the lens, like a more expensive sports turret with a side mount.
Creating a guide for choosing the appropriate volume and narrowing the field of view to the "correct" one can be a difficult task. You can buy sights from cheap imports for 3 thousand. rubles Up to 50 thousand rubles + High-class sights, but the golden rule that must be followed is to spend at least half as much on optics as on the rifle itself.
