Description
Rifle Scope Product Details
Sightron SIII 8-32X56 Long Range MOA Reticle Side Focus Riflescope – 25149
SIII SS 8-32x56LRMOA Features:- All scopes in the SIII series feature a 30mm one-piece Main-Tube made from high quality Aircraft aluminum. Tube thickness is more than twice as thick as one inch models to provide maximum rigidity. All models are fog proof, shockproof and waterproof.- A European style fast focus eyeball accompanies all SIII SS Long Range Models. A quick turn of the eyeball allows the user to focus in a matter of seconds. Tweaking the eye focus is just a small adjustment away. – This scope features Sightron’ s unique ExacTrack windage and elevation adjustment system. No other system on the market comes close to the precision and performance of ExacTrack- This scope features the ultimate in all weather construction. They are waterproof, nitrogen filled and provide a lifetime of internal fog protection for inclement weather. – All Sightron SIII LR Series Riflescopes feature ZACT-7 seven layer multi-coating with precision ground glass. These lenses provide superior light transmission and resolution for the ultimate in performance. Specifications:- Magnification: 8-32X – Object Diameter: 56 – Eye Relief: 3.6-4.0 – Reticle Type: MOA-2 – Click Value: 1/4 MOA – Fov: 12.2-3.1 – Length: 15.35 – Tube Diameter: 30 mm – Windage Elevation Travel: 70 – Weight: 24.70 – Finish: Matte Black – Minutes Per Revolution: 15 – Lens Cover Included: Yes – Fully Multi Coated: Yes (Zact-7 TM 7-Layer).
Rifle Scope Product Features
Sightron SIII LR Riflescope 8-32x56mm 2 MOA Reticle 25149
Brand New & High Quality Material!
About the SIGHTRON Brand
SIGHTRON is a premium producer for rifle scopes, optics, mounting solutions, and other components used for guns like rifles and long guns. They create and make their scopes and related products by applying elements which are long lasting and resilient. This includes the Sightron SIII 8-32X56 Long Range MOA Reticle Side Focus Riflescope – 25149 by SIGHTRON. For more shooting items, visit their site.
Info About Rifle Scopes
Rifle scopes enable you to specifically aim a rifle at various targets by lining up your eye with the target at range. They do this through zoom by utilizing a series of lenses inside the scope. The scope’s positioning can be adapted to take into account different ecological elements like wind speed and elevation increases to make up for bullet drop.
The scope’s function is to help shooters understand exactly where the bullet will hit based upon the sight picture you are viewing via the optic as you align the scope’s crosshair or reticle with the intended point of impact. The majority of modern rifle optics have around 11 parts which are located inside and on the exterior of the optic. These scope parts consist of the rifle scope’s body, lenses, modification dials or turrets, objective focus rings, and other parts. Learn about the eleven parts of rifle scopes.
Rifle Glass Styles
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. The form of focal plane a scope has decides where the reticle or crosshair is located in regard to the scopes zoom. It simply suggests the reticle is behind or ahead of the magnification lens of the optic. Deciding upon the most desired kind of rifle glass depends on what style of hunting or shooting you anticipate undertaking.
First Focal Plane Optic Details
First focal plane glass (FFP) come with the reticle in front of the magnification lens. This triggers the reticle to increase in size based upon the level of magnification being used. The outcome is that the reticle measurements are the same at the enhanced distance as they are at the non magnified range. As an example, one tick on a mil-dot reticle at one hundred yards with no “zoom” is still the exact same tick at 100 yards with 5x “zoom”. These types of scopes are practical for:
- Quick acquisition, long distance kinds of shooting
- Shooting circumstances where computations are small
- Experienced shooters who have an idea for their target “hold over” and also “lead” correlations for their firearms
- Shooters who do not mind the reticle is enlarged and occupies more visual eyesight space than a SFP reticle
Second Focal Plane Scope Info
Second focal plane glass (SFP) feature the reticle behind the magnification lens. This triggers the reticle to remain at the exact same scale in relation to the amount of magnification being used. The outcome is that the reticle measurements adjust based upon the magnification applied to shoot over lengthier distances considering that the markings present distinct increments which vary with the zoom. In the FFP example with the SFP optic, the 5x “zoom” 100 yard tick measurement would be 1/5th of the non “zoom” tick. These particular styles of glass work for:
- Far away types of shooting where shooters have extra time to make ballistic calculations
- Shooting where most shots occur within shorter distances and ranges
- Shooters who select a clearer optic sight picture with less room taken up by the enlarged FFP reticle
Rifle Optic Zoom
The measure of scope magnification you need depends upon the style of shooting you like to do. Nearly every type of rifle glass supplies some degree of magnification. The level of magnification a scope provides is established by the dimension, density, and curvatures of the lens glass within the rifle optic. The magnifying level of the scope is the “power” of the glass. This indicates what the shooter is aiming at through the scope is amplified times the power factor of what can usually be seen by human eyes.
Single Power Lens Optics
A single power rifle optic uses 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 magnification of this type of scope can not adjust because it is fixed.
Adjustable Power Lens Rifle Optics
Variable power rifle scopes have adjustable power. It will list the magnification degree in a format like 2-10×32. These numbers indicate the zoom of the scope could be changed between 2x and 10x power. This also includes the power levels in-between 2 and 10. The power manipulation is accomplished by making use of the power ring part of the scope near the back of the scope by the eye bell.
Power and Range Correlations
Here are some suggested scope power settings and the distances where they could be successfully used. Consider that higher power glass will not be as efficient as lower magnification level glass because too much zoom can be a bad thing. The exact same concept applies to extended ranges where the shooter needs to have increased power to see precisely where to best aim the rifle at the target.
Lens Coating for Rifle Scopes
All modern-day rifle scope lenses are covered in special coatings. There are different types and qualities of lens finishes. Lens coating is an essential aspect of a rifle’s setup when looking into high end rifle optics and targeting equipment. The glass lenses are among the most essential pieces of the optic since they are what your eye sees through while sighting a rifle in on the point of impact. The finishing on the lenses safeguards the lens exterior and improves anti glare capabilities from excess light and color discernibility.
HD Versus ED Lens Coatings
Some rifle glass producers even use “HD” or high-def lense finishings which make the most of various procedures, chemical applications, polarizations, and elements to draw out different color ranges and viewable definition through the lens. This high-def coating is often used with higher density glass which lowers light’s ability to refract by means of the lens glass. Some scope manufacturers use “HD” to refer to “ED” signifying extra-low dispersion glass. ED handles how certain colors are presented on the chromatic spectrum and the chromatic deviance or aberration which is similarly called color distortion or fringing. Chromatic aberration can be obvious over things with defined outlines as light hits the item from various angles.
Single Covering Versus Multi-Coating for Rifle Scopes
Various scope lenses can also have different coatings applied to them. All lenses normally have at least some type of treatment or finish applied to them prior to being used in a rifle scope or optic assembly. Due to the fact that the lens isn’t simply a raw piece of glass, they require performance enhancing coatings. It becomes part of the finely tuned optic. It needs to have a coating placed on it so that the lens will be optimally usable in lots of types of environments, degrees of sunlight (full light VS shaded), and other shooting conditions.
This lens treatment can safeguard the lens from scratches while reducing glare and other less advantageous things experienced in the shooting environment while sighting in with the scope. The quality of a single coated lens depends on the scope manufacturer and how much you paid for it.
Some scope manufacturers also make it a point to define if their optic lenses are covered or “multi” covered. Being “much better” depends on the producer’s lens treatment innovation and the quality of products used in developing the rifle scope.
Anti-water Lens Finishing
Water on a lens does not assist with preserving a clear sight picture through a scope at all. Lots of top of the line and military grade optic makers will coat their lenses with a hydrophilic or hydrophobic coating.
Rifle Glass Mounting Options
Mounting options for scopes come in a few choices. There are the standard scope rings which are separately installed to the optic and one-piece scope mounts which cradle the scope. These various types of mounts also typically come in quick release variations which use manual levers which allow rifle shooters to rapidly install and dismount the scope.
Hex Key Rifle Scope Ring Mounts
Basic, clamp type mounting optic rings use hex head screws to position to the flattop style Picatinny scope mount rails on the tops of rifles. These styles of scope mounts use two detached rings to support the optic, and are made from 7075 T6 billet aluminum or similar materials which are manufactured for long distance accuracy shooting. This form of scope mount is effective for rifles which require a long lasting, rock solid mount which will not move regardless of just how much the scope is moved about or abuse the rifle takes. These are the type of mounts you should have for a devoted scope system on a reach out and touch someone hunting or competitors long gun that will seldom need to be changed or adjusted. Blue 242 Loctite threadlocker can also be used on the screws to keep the hex screw threads from backing out after they are installed securely in position. An example of these rings are the 30mm style made by Vortex Optics. The set normally costs around $200 USD
Quick-Release Cantilever Glass Rings
These types of quick-release rifle scope mounts can be used to quickly connect and remove a scope from a rifle before reattaching it to a different rifle. Multiple scopes can also be switched out if they all use a compatible design mount. These types of mounts are convenient for rifles which are transported 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.
Scope Tube Sealing and Gas Purging
Moisture inside your rifle scope can mess up a day of shooting and your costly optic by triggering fogging and producing residue inside of the scope tube. Many scopes prevent moisture from entering the scope tube with a system of sealing O-rings which are water resistant.
Gas Purged Rifle Optic Tubes
Another part of preventing the accumulation of wetness within the rifle optic’s tube is filling the tube with a gas like nitrogen. Considering that this area is currently taken up by the gas, the glass is less impacted by condition alterations and pressure variations from the outside environment which could possibly enable water vapor to permeate in around the seals to fill the vacuum which would otherwise exist. These are good qualities of a good rifle scope to look for.
