Last update on August 13, 2022 // Source: Amazon API
Rifle Scope Product Details
TufForce 3-9 X 40 Full Size Scope, Red/Green Illumination Mil-Dot Reticle, SF39-40AIM2, Multi-Coated Etched Glass Retical, 1″ one Piece Tube
TufForce 3-9X40 Full Size Scope 1) 3-9X40 Full Size Scope with Adjustable Objective 2) Red and Green Illuminated Mil-Dot Reticle 3) Premium One Piece Metal Tube 4) 3″ Sun Shade and Lens Covers Included
Rifle Scope Product Features
3-9X40 Full Size Scope with Adjustable Objective,
1″ Premium One Piece Metal Tube, Red/Green Illumination Mil-Dot Reticle
Easy-grip target-style windage and elevation adjustments and side parallax adjustment. 1/8 MOA click adjustment,
Multi-Coated Etched Glass for clear crisp images with illuminated
3″ Sun Shade and Lens Covers and two rings Included
About the TufForce Scope Maker
TufForce is a premium company for rifle scopes, optics, mounting solutions, and other accessories used for guns like rifles and long guns. They design and supply their scopes, mounts, and related products making the most of materials which are long lasting and resilient. This includes the TufForce 3-9 X 40 Full Size Scope, Red/Green Illumination Mil-Dot Reticle, SF39-40AIM2, Multi-Coated Etched Glass Retical, 1″ one Piece Tube by TufForce. For additional shooting items, visit their site.
Facts About Optics
Rifle scopes permit you to exactly align a rifle at various targets by lining up your eye with the target at range. They do this through zoom by employing a series of lenses within the scope. The scope’s positioning can be adjusted for consideration of numerous ecological aspects like wind speed and elevation increases to account 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 seeing with the scope as you line up the scope’s crosshair or reticle with the intended target. Many contemporary rifle optics have about 11 parts which are found within and outside of the scope body. These parts consist of the rifle scope’s body, lenses, adjustment turrets or dials, focus rings, and other components. See all eleven parts of optics.
The Varieties of Rifle Scopes
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. The style of focal plane an optic has decides where the reticle or crosshair lies relative to the optic’s zoom. It actually indicates the reticle is situated behind or ahead of the magnification lens of the scope. Looking for the very best kind of rifle glass is dependent on what form of shooting or hunting you intend on doing.
Info on First Focal Plane Optics
Focal plane scopes (FFP) feature the reticle in front of the magnifying lens. This triggers the reticle to increase in size based upon the extent of magnification being used. The benefit is that the reticle measurements are the same at the enhanced distance as they are at the non amplified distance. One tick on a mil-dot reticle at one hundred yards without “zoom” is still the very same tick at one hundred yards by using 5x “zoom”. These types of scopes work for:
- Quick acquisition, far away types of shooting
- Shooting situations where computations are low
- Experienced shooters who know their target “hold over” plus “lead” relationships for their firearms
- Shooters who don’t mind the reticle is bigger and occupies more visual eyesight room than a SFP reticle
Info About Second Focal Plane Glass
Second focal plane scopes (SFP) include the reticle behind the zoom lens. In the FFP example with the SFP scope, the 5x “zoom” one hundred yard tick would be 1/5th of the non “zoom” tick measurement.
- Far away forms of shooting where shooters have additional time to make ballistic calculations
- Shooting where most shots occur within shorter ranges and spaces
- Shooters who like a clearer optic picture without room used up by the larger sized FFP reticle
Rifle Scope Magnification
The amount of scope zoom you require depends on the sort of shooting you would like to do. Almost every kind of rifle glass gives some amount of magnification. The level of magnification a scope gives is established by the size, density, and curves of the lens glass inside of the rifle optic. The magnification level of the scope is the “power” of the scope. This signifies what the shooter is aiming at through the scope is amplified times the power element of what can typically be seen by human eyes.
Fixed Single Power Lens Optics
A single power rifle scope uses a magnification number designator like 4×32. This indicates the magnification power of the scope is 4x power and the objective lens is 32mm. The zoom of this kind of optic can not change given that it is a set power scope.
Adjustable Power Lens Glass Details
Variable power rifle scopes have adjustable power. These types of scopes will list the magnification amount in a format such as 2-10×32. These numbers mean the zoom of the scope could be adjusted between 2x and 10x power. This always involves the powers in-between 2 and 10. The power adjustment is accomplished by operating the power ring part of the scope near the back of the scope by the eye bell.
Rifle Scope Power and Ranges
Here are some advised scope power settings and the ranges where they could be successfully used. Highly magnified glass will not be as useful as lower magnification rifle scope glass considering too much zoom can be a bad thing. The same idea relates to longer distances where the shooter needs to have enough power to see exactly where to properly aim the rifle at the target.
Info on Glass Lens Finishes
All modern rifle optic and scope lenses are coated. There are various types and qualities of glass lens coverings. Lens coating is a crucial element of a rifle’s setup when looking into luxury rifle optics and scope equipment. The glass lenses are among the most vital components of the scope considering they are what your eye sees through while sighting a rifle in on the target. The covering on the lenses shields the lens surface and assists with anti glare from refracted sunlight and color presence.
ED Versus HD Optics
Some rifle scope producers also use “HD” or high-def lens finishes that employ different procedures, chemicals, aspects, and polarizations to draw out different color ranges and viewable target visibility through the lens. This HD covering is often used with more costly high density glass which drops light’s capability to refract by means of the lens glass. Some scope producers 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 deviance which is also called color distortion or fringing. Chromatic aberration is often noticeable over items with hard shapes as light hits the object from various angles.
Single Finishing Versus Multi-Coating
Various optic lenses can likewise have various finishes applied to them. All lenses usually have at least some type of treatment or finishing applied to them before they are used in a rifle scope or optic.
Single coated lenses have a treatment applied to them which is normally a protective and boosting multi-purpose treatment. This lens treatment can protect the lens from scratches while lowering glare and other less advantageous 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 the amount you spent paying for it. Both the make and cost are signs of the lens quality.
Some scope makers also make it a point to specify if their optic lenses are layered or “multi” coated. This indicates the lens has had several treatments applied to them. If a lens receives numerous treatments, it can establish that a company is taking numerous actions to combat different natural aspects like an anti-glare coating, a scratch resistant anti-abrasion covering, followed by a hydrophilic finish. This also does not necessarily imply the multi-coated lens is better than a single layered lens. Being “better” depends upon the maker’s lens treatment techniques and the quality of components used in creating the rifle optic.
Rifle Optic Lens Anti-water Coating
Water on a lens doesn’t assist with preserving a clear sight picture through a scope at all. Lots of top of the line and high-end optic makers will coat their lenses with a hydrophobic or hydrophilic anti-water finish.
Choices for Mounting Rifle Optics on Long Guns
Installing approaches for scopes can be found in a couple of options. There are the basic scope rings which are separately installed to the scope and one-piece mounts which cradle the scope. These different types of mounts also generally can be found in quick release variations which use throw levers which allow rifle operators to quickly mount and remove the scopes.
Hex Key Rifle Glass Rings
Basic, clamp-on style mounting optic rings use hex head screws to fix to the flattop style Picatinny scope mounting rails on the tops of rifles. These varieties of scope mounts use a pair of detached rings to support the scope, and are normally made from 7075 T6 billet aluminum which are created for far away accuracy shooting. This form of scope mount is very good for rifle systems which need a long lasting, rock solid mount which will not move despite just how much the scope is moved or jarring the rifle takes. These are the style of mounts you really want to have for a specialized optics setup on a far away scouting or competitors rifle which will seldom need to be changed or recalibrated. Blue 242 Loctite threadlocker can additionally be used on the mount’s screws to protect against the hex screw threads from wiggling out after they are installed safely in place. An example of these mounting rings are the 30mm type made by the Vortex Optics company. The set normally costs around $200 USD
Quick-Release Cantilever Rifle Optic Rings
These kinds of quick-release rifle scope mounts can be used to rapidly connect and take off a scope from a rifle. If they all use a similar style mount, a number of scopes can also be switched out. The quick detach mount style is CNC crafted from anodized 6061 T6 aluminum and the mounting levers connect securely to a flat top style Picatinny rail. This allows the scope to be sighted in while on the rifle, taken off of the rifle, and remounted while preserving accuracy. These kinds of mounts come in beneficial for rifles which are moved around a lot, to take off the scope glass from the rifle for protection, or for optics which are used in between multiple rifles. An example of this mount type is the 30mm mount from the Vortex Optics manufacturer. It generally costs around $250 USD
Sealing and Gas Purging for Rifle Glass Tubes
Moisture 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 entering the scope tube with a system of sealing O-rings which are waterproof.
Gas Purged Scope Tubes
Another element of avoiding the buildup of moisture inside of the rifle optic 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 temp changes and pressure distinctions from the external environment which may possibly allow water vapor to permeate 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.