Description
Rifle Scope Product Details
Burris Optics XTR II Rifle Scope ” 5-25x50mm Riflescope ” Tactical Shooting, Long Distance Shooting
Rifle Scope Product Features
PRECISE TARGET ACQUISITION ” Identify your target and adjust windage and elevation with excellent resolution and tactical-appropriate reticles.
LONG DISTANCE SHOOTING ” With a versatile 5-times zoom system, you’ll enjoy better target acquisition at long ranges.
CLEAR, BRIGHT RIFLE SCOPE ” With high-grade optical glass, enjoy excellent and clear optics with lasting durability.
IDEAL FOR TACTICAL SHOOTING ” Enjoy precision during maneuvers with an illuminated reticle that reduces the time to get on target in any lighting condition.
COMPETITIVE SHOOTING SCOPE ” Count on advanced windage and elevation adjustments that are fast and accurate.
About the Burris Optics Company
Burris Optics is a premium producer for weapon scopes, optics, mounts, and other add-ons used for guns like rifles and long guns. They style and manufacture their mounts, scopes, and related products by using elements which are durable and long lasting. This includes the Burris Optics XTR II Rifle Scope ” 5-25x50mm Riflescope ” Tactical Shooting, Long Distance Shooting by Burris Optics. For more shooting items, visit their site.
Facts About Scopes
Rifle scopes enable you to precisely aim a rifle at different targets by aligning your eye with the target at range. They do this through magnification by using a series of lenses inside the scope. The scope’s positioning can be adjusted for consideration of many ecological factors like wind speed and elevation increases or decreases to make up for bullet drop.
The scope’s purpose is to help the shooter understand exactly where the bullet will land based upon the sight picture you are seeing using the optic as you line up the scope’s crosshair or reticle with the intended point of impact. The majority of contemporary rifle scopes have about 11 parts which are found within and externally on the scope. These optic pieces consist of the rifle scope’s body, lenses, modification dials, objective focus rings, and other elements. See all eleven parts of a scope.
The Varieties of Rifle Scopes
Rifle scopes can be either “first focal plane” or “second focal plane” type of optics. Deciding upon the perfect type of rifle glass is based around what type of shooting you plan on doing.
First Focal Plane Glass
Focal plane scopes (FFP) feature the reticle in front of the zoom lens. This induces the reticle to increase in size based on the amount of magnification being used. The benefit is that the reticle measurements are the same at the magnified distance as they are at the non amplified range. As an example, one tick on a mil-dot reticle at one hundred yards without any “zoom” is still the very same tick at one hundred yards using 5x “zoom”. These types of scopes work for:
- Quick acquisition, far away kinds of shooting
- Shooting scenarios where calculations are minor
- Experienced shooters who have an idea for their aim point “hold over” and “lead” ratios for their firearms
- Shooters who do not mind the reticle is bigger and requires more visual eyesight area than a SFP reticle
Second Focal Plane Scope Info
Second focal plane scopes (SFP) include the reticle behind the magnifying lens. This induces the reticle to stay at the very same scale relative to the volume of magnification being used. The result is that the reticle measurements adjust based upon the magnification applied to shoot over lengthier ranges since the reticle markings represent various increments which vary with the magnification level. In the FFP example with the SFP glass, the 5x “zoom” one hundred yard tick would be 1/5th of the non “zoom” tick measurement. These particular types of glass are beneficial for:
- Long distance forms of shooting where shooters have additional time to make ballistic computations
- Shooting where most shots occur within much shorter proximities and ranges
- Shooters who like a clearer optic sight picture with less room taken up by the larger size FFP reticle
Scope Zoom
The measure of scope zoom you need on your scope depends upon the type of shooting you wish to do. Almost every kind of rifle optic delivers some level of zoom. The amount of zoom a scope supplies is established by the size, thickness, and curves of the lenses within the rifle optic. The magnifying level of the optic is the “power” of the glass. This signifies what the shooter is checking out through the scope is magnified times the power aspect of what can generally be seen by human eyes.
Fixed Power Lens Rifle Glass Details
A single power rifle optic or scope comes with a zoom number designator like 4×32. This implies the magnification power of the scope is 4x power while the objective lens is 32mm. The zoom of this kind of optic can not fluctuate given that it is a fixed power scope.
Variable Power Lens Rifle Scopes
Variable power rifle scopes can be changed between magnification power levels. These types of scopes will note the zoom degree in a format like 2-10×32. These numbers mean the magnification of the scope could be adjusted in between 2x and 10x power. This always includes the power levels in-between 2 and 10. The power modification is achieved using the power ring part of the scope near the rear of the scope by the eye bell piece.
The Power Level and Range Correlation of Glass
Here are some suggested scope powers and the distances where they may be efficiently used. High power scopes will not be as useful as lower powered rifle scope glass since too much magnification can be a bad thing. The same idea relates to extended distances where the shooter needs to have enough power to see precisely where to properly aim the rifle.
Info on Lens Coverings
All present day rifle scope lenses are layered. Lens covering can be a vital element of a rifle system when looking into high end rifle optics and scope setups.
Info on Rifle Scope Lens Coatings – HD Versus ED
Some scope producers additionally use “HD” or high-definition lens coverings which use various procedures, elements, chemical substances, and polarizations to enhance numerous color ranges and viewable definition through lenses. This HD covering is typically used with greater density lens glass which brings down light’s capability to refract by means of the lens glass. Some scope suppliers use “HD” to describe “ED” suggesting extra-low dispersion glass. ED deals with how colors are presented on the chroma spectrum and the chromatic aberration or difference which is also called color distortion or fringing. Chromatic aberration may be visible around objects with defined outlines as light hits the object from various angles.
Scope Lens Single Coating Versus Multi-Coating
Various optic lenses can likewise have various finishings applied to them. All lenses typically have at least some type of treatment or covering used to them before they are used in a rifle scope or optic.
Single covered lenses have a treatment applied to them which is normally a protective and enhancing multi-purpose treatment. This lens treatment can safeguard the lens from scratches while lowering glare and other less helpful things experienced in the shooting environment while sighting in with the scope. The quality of a single layered lens depends on the scope maker and how much you spent for it. The scope’s maker and cost are signs of the lens quality.
Some scope manufacturers also make it a point to define if their optic lenses are covered or “multi” coated. This suggests the lens has had several treatments applied to the surfaces of the glass. If a lens gets numerous treatments, it can indicate that a company is taking several actions to combat various environmental aspects like an anti-glare covering, a scratch resistant anti-abrasion covering, followed by a hydrophilic finish. This also doesn’t necessarily imply the multi-coated lens will perform better than a single covered lens. Being “much better” depends on the manufacturer’s lens treatment solutions and the quality of products used in creating the rifle optic.
Hydrophobic Finishing for Rifle Glass
Water on a lens doesn’t support retaining a clear sight picture through a scope at all. Lots of top of the line and high-end optic manufacturers will coat their lenses with a hydrophobic or hydrophilic covering. The Steiner Optics Nano-Protection is a fine example of this type of treatment. It provides protection for the exterior of the Steiner scope lens so the water molecules can not bind to it or develop surface tension. The outcome is that the water beads roll off of the scope to preserve a clear, water free sight picture.
Optic Installing Choices
Installing options for scopes can be found in a few options. There are the standard scope rings which are separately mounted to the optic and one-piece mounts which cradle the scope. These various kinds of mounts also usually can be found in quick release variations which use toss levers which enable rifle shooters to quickly mount and dismount the optics.
Hex Key Scope Ring Mounts
Standard, clamp style mounting scope rings use hex head screws to mount to the flattop design Picatinny scope mount rails on rifles. These types of scope mounts use two different rings to support the optic, and are often made from 7075 T6 billet aluminum which is designed for long range precision shooting. This type of scope mount is great for rifles which need a resilient, sound mount which will not move no matter how much the scope is moved or abuse the rifle takes.
Quick-Release Cantilever Scope Rings
These types of quick-release rifle scope mounts can be used to rapidly take off a scope from a rifle and reattach it to a different rifle. Several scopes can also be switched out if they all use a similar designed mount. The quick detach design is CNC machined from anodized 6061 T6 aluminum and the mounting levers connect firmly to a flat top style Picatinny rail. This permits the scope to be sighted in while on the rifle, removed from the rifle, and remounted back on the rifle while maintaining precision. These types of mounts are useful and practical for shooting platforms which are transferred between vehicles a lot, to take off the scope from the rifle for protection, or for scopes which are employed in between multiple rifles. An example of this mount type is the 30mm mount designed by the Vortex Optics manufacturer. It typically costs around $250 USD
About Rifle Scope Tube Sealing and Gas Purging
Wetness inside your rifle optic can destroy a day of shooting and your pricey optic by bringing about fogging and producing residue inside of the scope tube. Many scopes avoid moisture from going into the scope tube with a system of sealing O-rings which are waterproof.
Gas Purged Rifle Glass Tubes
Another element of preventing the accumulation of wetness within the rifle optic’s tube is filling the tube with a gas like nitrogen. Because this area is already occupied by the gas, the scope is less influenced by temp alterations and pressure distinctions from the outside environment which may potentially allow water vapor to leak in around the seals to fill the vacuum which would otherwise be there. These are good qualities of a good rifle scope to seek out.
