Description
Rifle Scope Product Details
Athlon Optics , Cronus BTR , Riflescope , 4.5-29 x 56 First Focal Plane (FFP) 34mm Tube, Illuminated APRS MIL Reticle ,
Whether you want to do precision long-range shooting and tactical applications, or extreme long range hunting adventures, the new Cronus btr scope is just what the doctor ordered. with all of the same key features of the Cronus line, the new Cronus btr is redesigned to be even better! we improved the Parallax adjustment yard markings to go from 25 yards to Infinity (added markings at 300, 500, 800 and 1600 yards), designed a new reticle as well as re-designed the battery compartment to make it easier to adjust the illumination. the best just Got better.
Rifle Scope Product Features
0.1 MIL Click Value, 25 MIL Total Elevation Adjustment, 10 Yard to Infinity Parallax Adjustment
Extra-Low Dispersion glass significantly reduces chromatic aberration giving you an utmost bright and sharp image with true color reproduction.
First focal plane reticle stays valid at all power settings allowing you to fully utilize the specially designed reticle that shrinks or grows along with your target as you zoom in or out.
Precision zero Stop System the System allows you to lock down your zero position and Dial back to it with a sharp and precise Stop right at your zero mark even you are Turning it in pitch-dark
Advanced fully multicoated optics effectively reduces reflected light and increases the transmission of light giving you a Brighter image than Normal single coated lenses
The high precision erector System processed by high precision CNC machine with +/- 0.0001mm tolerance level to provide you the most accurate power settings and smoothest magnification change
Included components: Rifle Scope Battery allen wrench Instruction Manual
About the Athlon Optics Manufacturer
Athlon Optics is a premium maker for long gun scopes, optics, mounts, and other add-ons used for guns like rifles and long guns. They design and make their products working with elements which are long lasting and durable. This includes the Athlon Optics , Cronus BTR , Riflescope , 4.5-29 x 56 First Focal Plane (FFP) 34mm Tube, Illuminated APRS MIL Reticle , by Athlon Optics. For more shooting goods, visit their site.
Glass Information
Rifle scopes enable you to exactly aim a rifle at various targets by aligning your eye with the target over a range. They accomplish this through magnification by utilizing a set of lenses within the scope. The scope’s positioning can be dialed in to account for separate natural considerations like wind speed and elevation increases or decreases to account for bullet drop.
The scope’s function is to help the shooter understand exactly where the bullet will hit based on the sight picture you are viewing using the scope as you line up the scope’s crosshair or reticle with the intended point of impact. The majority of modern-day rifle scopes and optics have about 11 parts which are located internally and outside of the scope. These optic pieces include the rifle scope’s body, lenses, adjustment turrets or dials, focus rings, and other components. Learn about the eleven parts of scopes.
The Types of Rifle Scopes
Rifle scopes can be either “first focal plane” or “second focal plane” type of optics. Finding the finest type of rifle glass is based on what type of shooting you plan to do.
First Focal Plane Glass
Focal plane scopes (FFP) include the reticle in front of the magnification lens. These types of scopes are useful for:
- Quick acquisition, long distance kinds of shooting
- Shooting situations where computations are minimal
- Experienced shooters who have an idea for their aim point “hold over” and “lead” correlations for their firearms
- Shooters who don’t mind the reticle is enlarged and occupies more visual eyesight area than a SFP reticle
Second Focal Plane Glass
Second focal plane scopes (SFP) include the reticle behind the zoom lens. This induces the reticle to remain at the very same dimensions relative to the volume of magnification being used. The final result is that the reticle measurements adjust based on the zoom employed to shoot over longer distances considering that the markings present distinct increments which vary with the magnification. In the FFP example with the SFP optic, the 5x “zoom” one hundred yard tick would be 1/5th of the non “zoom” tick measurement. These styles of optics work for:
- Long distance types of shooting where shooters have increased time to make ballistic calculations
- Shooting where most of the shots occur within shorter proximities and ranges
- Shooters who choose a clearer optic sight picture with less area used up by the enlarged FFP reticle
Magnification for Glass
The amount of zoom a scope supplies is figured out by the diameter, density, and curvatures of the lenses inside of the rifle scope. The zoom of the scope is the “power” of the scope.
Fixed Single Power Lens Glass
A single power rifle scope comes with a zoom number designator like 4×32. This means the zoom power of the scope is 4x power while the objective lens is 32mm. The zoom of this type of scope can not change since it is set from the factory.
Adjustable Power Lens Rifle Optics
Variable power rifle scopes use enhanced power. The power change is achieved by making use of the power ring part of the scope near the back of the scope by the eye bell.
The Power and Range Correlation of Rifle Optics
Here are some recommended scope power settings and the ranges where they could be effectively used. High power glass will not be as efficient as lower powered scopes since too much zoom can be a negative aspect depending on your shooting distance. The exact same concept applies to extended distances where the shooter needs increased power to see exactly where to properly aim the rifle.
Lens Covering for Optics
All cutting-edge rifle optic and scope lenses are layered. Lens coating can be a vital element of a shooting platform when purchasing high end rifle optics and scope equipment.
About Lens Coatings – HD Versus ED
Some scope manufacturers additionally use “HD” or high-def lens finishes which employ different procedures, rare earth compounds, polarizations, and aspects to enhance numerous colors and viewable definition through lenses. This high-definition finishing is often used with higher density glass which brings down light’s opportunity to refract through the lens glass. Some scope producers use “HD” to describe “ED” suggesting extra-low dispersion glass. ED handles how certain colors are represented on the chroma spectrum and the chromatic deviance or aberration which is also called color distortion or fringing. Chromatic aberration may be obvious over objects with defined shapes as light hits the item from certain angles.
Single Rifle Optic Lens Finishing Versus Multi-Coating
Different optic lenses can also have various finishings applied to them. All lenses generally have at least some kind 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 simply a raw piece of glass. It is part of the finely tuned optic. It needs to have a finishing placed on it so that it will be efficiently functional in lots of kinds of environments, degrees of light (full light VS shade), and other shooting conditions.
Single coated lenses have a treatment applied to them which is generally a protective and improving multi-purpose treatment. This lens treatment can safeguard the lens from scratches while reducing glare and other less beneficial things experienced in the shooting environment while sighting in with the scope. The quality of a single layered lens depends upon the scope developer and just how much you spent paying for it. Both the make and cost are signs of the lens quality.
Some scope producers also make it a point to define if their optic lenses are layered or “multi” coated. Being “better” depends on the maker’s lens treatment innovation and the quality of materials used in building the rifle scope.
Anti-water Lens Coverings
Water on a lens does not assist with preserving a clear sight picture through a scope at all. Numerous top of the line and high-end scope makers will coat their lenses with a hydrophilic or hydrophobic finish.
Rifle Optic Mounting Options
Mounting options for scopes can be found in a couple of options. There are the standard scope rings which are individually mounted to the optic and one-piece scope mounts which cradle the scope. These various kinds of mounts also typically can be found in quick release variations which use throw levers which permit rifle shooters to quickly mount and dismount the scopes.
Hex Key Glass Rings
Basic, clamp-on type mounting scope rings use hex head screws to position to the flattop design Picatinny scope mounting rails on rifles. These types of scope mounts use double separate rings to support the scope, and are normally made from 7075 T6 billet aluminum or similar materials which are developed for far away precision shooting. This kind of scope mount is effective for rifle systems which require a resilient, unfailing mount which will not move regardless of how much the scope is moved or jarring the rifle takes. These are the design of mounts you should get for a dedicated optics system on a reach out and touch someone hunting or tournament long gun which will rarely need to be changed or adjusted. Blue 242 Loctite threadlocker can additionally be used on the screws to keep the hex screw threads from wiggling out after they are mounted tightly in position. An example of these rings are the 30mm style from Vortex Optics. The set usually costs around $200 USD
Quick-Release Cantilever Optic Rings
These types of quick-release rifle scope mounts can be used to quickly take off a scope from a rifle and reattach it to a different rifle. A wide range of scopes can also be switched out if they all use a similar designed mount. The quick detach design is CNC crafted from anodized 6061 T6 aluminum and the mounting levers fasten tightly to a flat top style Picatinny rail. This lets the scope to be sighted in while on the rifle, removed from the rifle, and remounted while keeping accuracy. These types of mounts are useful and convenient for rifles which are moved a lot, to take off the optic from the rifle for protection, or for optics which are employed in between numerous rifles. An example of this mount style is the 30mm mount from the Vortex Optics manufacturer. It typically costs around $250 USD
Info on Glass Tube Sealing and Gas Purging
Wetness inside your rifle glass can wreck a day of shooting and your expensive optic by triggering fogging and producing residue inside of the scope’s tube. The majority of optics protect against wetness from getting in the optical tube with a series of sealing O-rings which are water resistant. Usually, these water-resistant scopes can be submerged beneath 20 or 30 feet of water before the water pressure can force moisture past the O-rings. This should be ample moisture avoidance for conventional use rifles for hunting and sporting purposes, unless you intend on taking your rifle aboard a watercraft and are worried about the scope still working if it goes over the side and you can still salvage the firearm.
Info on Glass Tube Gas Purging
Another component of preventing the accumulation of wetness within the rifle optic’s tube is filling the tube with a gas like nitrogen. Considering that this space is already taken up by the gas, the optic is less impacted by temperature level shifts and pressure variations from the external environment which may possibly enable water vapor to leak in around the seals to fill the void which would otherwise be there. These are good qualities of a good rifle scope to seek out.
