Description
Rifle Scope Product Details
Sig Sauer BDX Combo Kit, Kilo1600BDX LRF and Sierra3BDX Rifle Scope, 6.5-20x52mm
Sig Sauer BDX Combo Kit KILO1600BDX Laser Rangefinder and SIERRA3BDX Riflescope, 6.5-20X52MM, Black, SOK16BDX05
Rifle Scope Product Features
About the Sig Sauer Brand
Sig Sauer is a premium maker for rifle scopes, optics, mounting solutions, and other accessories used for firearms like rifles and long guns. They style and manufacture their mounts, scopes, and related products working with materials which are long lasting and durable. This includes the Sig Sauer BDX Combo Kit, Kilo1600BDX LRF and Sierra3BDX Rifle Scope, 6.5-20x52mm by Sig Sauer. For additional shooting products, visit their website.
What You Need to Know About Scopes
Rifle scopes allow you to exactly aim a rifle at various targets by lining up your eye with the target at range. They accomplish this through magnifying the target by using a series of lenses inside the scope. The scope’s alignment can be dialed in to account for different ecological factors like wind and elevation to make up for bullet drop.
The scope’s purpose is to help shooters understand exactly where the bullet will land based upon the sight picture you are seeing via the optic as you line up the scope’s crosshair or reticle with the intended target. The majority of modern-day rifle scopes and optics have about eleven parts which are located internally and outside of the scope body. These parts consist of the rifle scope’s body, lenses, elevation dials or turrets, focus rings, and other parts. Learn about the eleven parts of rifle glass.
Rifle Optic Types
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. The form of focal plane an optic has decides where the reticle or crosshair lies in connection with the optic’s magnifying adjustments. It literally indicates the reticle is located behind or ahead of the magnifying lens of the scope. Looking for the very best style of rifle glass is dependent on what form of shooting you intend on undertaking.
First Focal Plane Optics
First focal plane glass (FFP) feature the reticle in front of the zoom lens. This induces the reticle to increase in size based upon the level of zoom being used. The result is that the reticle measurements are the same at the amplified range as they are at the non amplified range. One tick on a mil-dot reticle at 100 yards with no “zoom” is still the exact same tick at 100 yards with 5x “zoom”. These kinds of scopes are useful for:
- Quick acquisition, long distance types of shooting
- Shooting circumstances where estimations are minimal
- Experienced shooters who have an idea for their aim point “hold over” and also “lead” relationships for their firearm
- Shooters who don’t mind the reticle is bigger and requires more visual eyesight space than a SFP reticle
About Second Focal Plane Optics
Second focal plane scopes (SFP) come with the reticle behind the magnification lens. In the FFP example with the SFP scope, the 5x “zoom” 100 yard tick reticle measurement would be 1/5th of the non “zoom” tick reticle measurement.
- Long distance kinds of shooting where shooters have additional time to make ballistic calculations
- Shooting where most shots occur within shorter ranges and distances
- Shooters who want a clearer optic sight picture without room taken up by the larger size FFP reticle
Ins and Outs of Rifle Scope Zoom
The quantity of scope zoom you need depends on the type of shooting you choose to do. Virtually every style of rifle scope provides some degree of magnification. The volume of zoom a scope gives is determined by the diameter, thickness, and curvatures of the lens glass within the rifle scope. The zoom of the scope is the “power” of the opic. This implies what the shooter is looking at through the scope is amplified times the power aspect of what can generally be seen by human eyes.
Fixed Single Power Lens Glass
A single power rifle scope comes with a zoom number designator like 4×32. This indicates the magnification power of the scope is 4x power while the objective lens is 32mm. The magnification of this type of optic can not fluctuate because it is fixed.
About Adjustable Power Lens Glass
Variable power rifle scopes have adjustable power. It will note the zoom level in a configuration such as 2-10×32. These numbers imply the magnification of the scope could be set in between 2x and 10x power. This also incorporates the power levels in-between 2 and 10. The power adjustment is achieved by operating the power ring component of the scope near the back of the scope by the eye bell.
The Power Level and Range Correlation of Optics
Here are some suggested scope powers and the ranges where they can be successfully used. Keep in mind that high power optics and scopes will not be as effective as lower magnification level scope and optics because too much magnification can be a negative thing in certain situations. The exact same idea goes for longer distances where the shooter needs adequate power to see exactly where to best aim the rifle at the target.
Details on Lens Finishing
All contemporary rifle optic and scope lenses are coated. There are various types and qualities of glass lens coatings. When thinking about high end rifle optics and scope units, Lens finish can be a significant element of defining the capability of the rifle. The glass lenses are one of the most important components of the optic since they are what your eye looks through while sighting a rifle in on the point of impact. The coating on the lenses shields the lens surface and also assists with anti glare capabilities from refracted light and color discernibility.
ED Versus HD Glass
Some rifle scope producers also use “HD” or high-definition lens coatings that use different procedures, polarizations, rare earth compounds, and components to draw out numerous color ranges and viewable target visibility through the lens. This high-definition finish is frequently used with more costly high density lens glass which decreases light’s chance to refract by means of the lens glass. Some scope brands use “HD” to describe “ED” signifying extra-low dispersion glass. ED deals with how colors are presented on the chromatic spectrum and the chromatic aberration which is also called color distortion or fringing. Chromatic aberration is often noticeable over items with hard edges and outlines as light hits the object from particular angles.
Single Finishing Versus Multi-Coating
Various scope lenses can even have various finishings applied to them. All lenses usually have at least some type of treatment or coating applied to them prior to being used in a rifle scope or optic assembly. This is since the lens isn’t just a raw piece of glass. It becomes part of the carefully tuned optic. It requires a coating to be applied to it so that the lens will be optimally functional in lots of kinds of environments, degrees of sunlight (full light VS shaded), and other shooting conditions.
Single layered lenses have a treatment applied to them which is typically a protective and improving multi-purpose treatment. This lens treatment can protect the lens from scratches while reducing glare and other less advantageous things experienced in the shooting environment while sighting in with the optic. The quality of a single covered lens depends upon the scope manufacturer and how much money you spent paying for it. The scope’s maker and cost are indicators of the lens quality.
Some scope manufacturers likewise make it a point to define if their optic lenses are coated or “multi” covered. This suggests the lens has several treatments applied to them. If a lens receives multiple treatments, it can show that a maker is taking several actions to fight various natural aspects like an anti-glare covering, a scratch resistant anti-abrasion finish, followed by a hydrophilic coating. This additionally doesn’t always mean the multi-coated lens is much better than a single layered lens. Being “much better” depends on the producer’s lens treatment techniques and the quality of materials used in constructing the rifle scope.
Hydrophobic Lens Covering
Water on an optical lens does not support preserving a clear sight picture through an optic in any way. Lots of top of the line and premium optic producers will coat their lenses with a hydrophilic or hydrophobic finishing. The Steiner Optics Nano-Protection is a good example of this kind of treatment. It deals with the exterior surfaces of the Steiner optic lens so the H2O molecules can not bind to it or develop surface tension. The outcome is that the water beads roll off of the scope to maintain a clear, water free sight picture.
Choices for Installing Rifle Glass on Firearms
Installing options for scopes can be found in a couple of choices. There are the standard scope rings which are individually mounted to the scope and one-piece scope mounts which cradle the scope. These different types of mounts also normally can be found in quick release versions which use toss levers which enable rifle operators to rapidly install and remove the scope.
Optic Mounts with Hex Key Rings
Standard, clamp style mounting scope rings use hex head screws to mount to the flattop style Picatinny scope mount rails on rifles. These types of scope mounts use two different rings to support the optic, and are made from 7075 T6 billet aluminum which are created for long distance accuracy shooting. This type of scope mount is fine for rifles which require a resilient, sound mount which will not move no matter how much the scope is moved or abuse the rifle takes.
Quick-Release Cantilever Rifle Glass Rings
These kinds of quick-release rifle scope mounts can be used to quickly detach a scope from a rifle and reattach it to a different rifle. Several scopes can also be swapped out if they all use a similar style mount. The quick detach mount style is CNC machined from anodized 6061 T6 aluminum and the mounting levers fasten firmly to a flat top design Picatinny rail. This allows the scope to be sighted in while on the rifle, removed from the rifle, and remounted while preserving the original sighting settings. These types of mounts are useful and convenient for shooting platforms which are hauled around a lot, to take off the scope glass from the rifle for protection, or for aiming systems which are adopted in between a number of rifles. An example of this mount type is the 30mm mount designed by Vortex Optics. It normally costs around $250 USD
Glass Tube Sealing and Gas Purging
Wetness inside your rifle scope can destroy a day on the range and your costly optic by triggering fogging and producing residue within the scope tube. A lot of optics prevent humidity from going into the optical tube with a series of sealing O-rings which are water resistant. Normally, these water resistant scopes can be immersed underneath 20 or 30 feet of water before the water pressure can push moisture past the O-rings. This should be ample moisture prevention for basic use rifles, unless you plan on taking your rifle boating and are worried about the optic still functioning if it is submerged in water and you can still find the firearm.
Gas Purged Scope Tubes
Another element of avoiding the accumulation of wetness within the rifle scope’s tube is filling the tube with a gas like nitrogen. Because this area is already occupied by the gas, the optic is less impacted by temperature level changes and pressure variations from the outdoor environment which may possibly allow water vapor to seep in around the seals to fill the void which would otherwise exist. These are good qualities of a good rifle scope to look for.
