Description
Rifle Scope Product Details
NightForce NX8 Rifle Scope, 2.5-20x50mm, First Focal Plane.1 Mil-Radian, Mil-C Reticle, C623
NightForce NX8 Riflescope, 2.5-20x50mm, First Focal Plane, .1 Mil-Radian, Mil-C Reticle, Black, C623
Rifle Scope Product Features
30mm tube
First focal plane
Tactical MIL turrets
Waterproof and fogproof
Illuminated reticle
About the NightForce Company
NightForce is a premium manufacturer for firearm scopes, optics, mounting solutions, and other accessories used for firearms like rifles and long guns. They create and make their scopes and related products making the most of elements which are long lasting and resilient. This includes the NightForce NX8 Rifle Scope, 2.5-20x50mm, First Focal Plane.1 Mil-Radian, Mil-C Reticle, C623 by NightForce. For additional shooting products, visit their website.
What You Need to Know About Rifle Scopes
Rifle scopes enable you to precisely align a rifle at different targets by lining up your eye with the target at range. They do this through magnifying the target by using a series of lenses inside the scope. The scope’s positioning can be adapted for consideration of numerous ecological elements like wind speed and elevation increases or decreases to account for bullet drop.
The scope’s purpose is to help shooters understand exactly where the bullet will land based on the sight picture you are viewing with the optic as you align the scope’s crosshair or reticle with the intended point of impact. Many modern rifle optics have around 11 parts which are located within and externally on the optic. These parts include the rifle scope’s body, lenses, windage dials or turrets, objective focus rings, and other elements. Learn about the eleven parts of scopes.
Rifle Scope Styles
Rifle scopes can be either “first focal plane” or “second focal plane” type of optics. Finding the best type of rifle glass is based around what type of shooting you plan on doing.
Info About First Focal Plane Glass
Focal plane scopes (FFP) include the reticle in front of the magnification lens. These kinds of scopes are beneficial for:
- Quick acquisition, long distance kinds of shooting
- Shooting scenarios where calculations are minor
- Experienced shooters who recognize their aim point “hold over” as well as “lead” relationships for their rifles
- Shooters who do not mind the reticle is bigger and requires more visual sight area than a SFP reticle
Second Focal Plane Glass
Second focal plane scopes (SFP) feature the reticle behind the zoom lens. This triggers the reticle to remain at the very same overall size in connection with the level of zoom being used. The final result is that the reticle measurements adapt based upon the zoom used to shoot over longer ranges given that the markings present distinct increments which fluctuate with the zoom level. In the FFP example with the SFP glass, the 5x “zoom” 100 yard tick would be 1/5th of the non “zoom” tick reticle measurement. These particular styles of scopes are useful for:
- Far away styles of shooting where shooters have additional time to make ballistic calculations
- Shooting where most shots take place within much shorter ranges and spaces
- Shooters who select a clearer optic picture without space taken up by the enlarged FFP reticle
Zoom for Rifle Glass
The extent of scope zoom you need is based on the style of shooting you wish to do. Almost every kind of rifle scope supplies some degree of zoom. The amount of zoom a scope offers is established by the dimension, thickness, and curves of the lenses inside of the rifle scope. The magnification level of the scope is the “power” of the scope. This suggests what the shooter is looking at through the scope is magnified times the power element of what can normally be seen by human eyes.
Single Power Lens Rifle Scopes
A single power rifle scope comes with a magnification number designator like 4×32. This suggests the magnification power of the scope is 4x power and the objective lens is 32mm. The magnification of this kind of scope can not adjust given that it is a set power scope.
Variable Power Lens Rifle Glass
Variable power rifle scopes can be adjusted between magnification levels. These types of scopes will note the zoom degree in a configuration like 2-10×32. These numbers imply the magnification of the scope could be adjusted in between 2x and 10x power. This also involves the powers in-between 2 and 10. The power modification is achieved by working with the power ring part of the scope near the back of the scope by the eye bell piece.
The Power and Range Correlation of Rifle Scopes
Here are some recommended scope power settings and the ranges where they can be effectively used. Bear in mind that high magnification scopes will not be as effective as lower magnification level scope and optics because excessive zoom can be a detractor. The exact same idea applies to longer distances where the shooter needs to have adequate power to see where to properly aim the rifle.
Lens Finishing for Glass
All modern rifle scope and optic lenses are layered. There are different types and qualities of glass coatings. When thinking about high end rifle scope units, Lens finishing can be a very important element of a rifle. The lenses are among the most significant components of the optic given that they are what your eye looks through while sighting a rifle in on the point of impact. The coating on the lenses protects the lens surface area as well as improves anti glare capabilities from excess sunlight and color profiles.
HD Versus ED Lenses
Some rifle glass suppliers additionally use “HD” or high-def glass finishings that use various procedures, polarizations, chemicals, and aspects to extract different colors and viewable definition through the lens. This high-def covering is normally used with more costly, high density lens glass which reduces light’s capability to refract through the lens glass. Some scope suppliers use “HD” to refer to “ED” implying extra-low dispersion glass. ED handles how certain colors are presented on the chroma spectrum and the chromatic aberration or deviance which is similarly called color distortion or fringing. Chromatic aberration is often noticeable around things with defined outlines as light hits the object from various angles.
Optic Lens Single Finish Versus Multi-Coating
Different optic lenses can also have different coatings applied to them. All lenses normally have at least some type of treatment or finish applied to them before being used in a rifle scope or optic assembly. Because the lens isn’t simply a raw piece of glass, they require performance enhancing coatings. It is part of the finely tuned optic. It requires a coating to be applied to it so that it will be optimally usable in numerous types of environments, degrees of sunshine (full light VS shade), and other shooting conditions.
Single coated 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 minimizing glare and other less advantageous things experienced in the shooting environment while sighting in with the optic. The quality of a single coated lens depends upon the scope designer and how much money you spent on it. Both are signs of the lens quality.
Some scope makers also make it a point to define if their optic lenses are covered or “multi” coated. This means the lens has had multiple treatments applied to the surfaces. If a lens receives numerous treatments, it can show that a maker is taking several actions to fight different natural elements like an anti-glare finishing, a scratch resistant anti-abrasion covering, followed by a hydrophilic finish. This additionally does not always suggest the multi-coated lens will perform better than a single covered lens. Being “much better” depends on the maker’s lens treatment solutions and the quality of glass used in constructing the rifle glass.
Anti-water Optic Lens Coating
Water on a scope’s lens does not improve preserving a clear sight picture through an optic at all. Lots of top of the line or high-end optic producers will coat their lenses with a hydrophobic or hydrophilic finishing. The Steiner Optics Nano-Protection is a good example of this sort of treatment. It provides protection for the exterior of the Steiner optic lens so the water molecules can not bind to it or develop surface tension. The result is that the water beads slide off of the scope to preserve a clear, water free sight picture.
Alternatives for Installing Rifle Glass on Firearms
Mounting approaches for scopes come in a few choices. There are the basic scope rings which are separately installed to the optic and one-piece scope mounts which cradle the scope. These various kinds of mounts also normally are made in quick release variations which use toss levers which allow rifle operators to rapidly install and dismount the scope.
Hex Key Rifle Optic Rings
Standard, clamp design 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 a couple of different rings to support the optic, and are often made from 7075 T6 billet aluminum which are designed for long distance accuracy shooting. This type of scope mount is excellent for rifles which require a resilient, rock solid mounting solution which will not move no matter how much the scope is moved or abuse the rifle takes.
Scope Mounts with Quick-Release Cantilever Rings
These types of quick-release rifle scope mounts can be used to quickly take off a scope and attach it to a different rifle. Numerous scopes can even be switched out if they all use a compatible design mount. These types of mounts come in handy for rifle platforms which are transferred a lot, to swap out the optic from the rifle for protecting the scope, or for scopes which are used between multiple rifles or are situationally focused.
What to Know About Rifle Scope Tube Sealing and Gas Purging
Moisture inside your rifle glass can ruin a day on the range and your highly-priced optic by inducing fogging and creating residue within the scope’s tube. Most scopes prevent wetness from going into the optical tube with a system of sealing O-rings which are waterproof. Generally, these water-resistant optics can be immersed under 20 or 30 feet of water before the water pressure can force moisture past the O-rings. This should be plenty of humidity avoidance for basic use rifles for hunting and sporting purposes, unless you plan on taking your rifle sailing and are concerned about the scope still performing if it is submerged in water and you can still rescue the rifle.
Rifle Glass Gas Purging
Another element of avoiding the accumulation of moisture within the rifle optic tube is filling the tube with a gas like nitrogen. Given that this space is currently taken up by the gas, the glass is less affected by temperature level changes and pressure distinctions from the external environment which may potentially permit 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 look for.




