Description
Rifle Scope Product Details
Eastvale 4-16x56SPA Hunting Rifle Scope with Fully-Coated Wire Mil-Dot Red, Green and Blue Illuminated Reticle
Eastvale 4-16×56 High-Performance Hunting Rifle Scope
Versatile, high-powered Rifle Scope equipped with tri-color electronic illuminated reticles. The easy to access and clickable color/brightness buttons are designated on a 45 degree of surface on the rear of scope.
From a Single-Piece of (A6061-T6) Aircraft-Grade Aluminum Alloy and hardened Anodized against corrosion with a Black Matte finish. Nitrogen filled housing, completely sealed with o-rings, making for a Waterproof, Fog proof and Shockproof performance. This compact design makes easy maneuvering possible in real hunting and shooting activities.
Specifications:
– Magnification: 4X to16X
– Diopter Adjustment Range: -2D/+2D
– Objective Diameter: 56mm
– Tube Diameter: 30mm
– Reticle: Wire Mil-Dot, Red/ Green/ Blue Illuminated Reticle
– Objective Clear Aperture: 2.0″
– Elevation/Windage Adjustment Range: 25 MOA
– Linear Field of View (ft/100 yd): 26.8′ ” 6.7′ ft 100 Yards
– Eye Relief: 4.64″ ” 4.2″
– Scope Length: 14.9″
– Scope Weight: 25.5 oz
– Limited Lifetime Warranty
Rifle Scope Product Features
Superior Multi-Coated lenses for reduction of glare and reflection, while maximizing light transmission for ultimate image brightness and clarity from edge to edge
Red, Green and Blue illuminated color Mil-Dot reticle with quick-reaching button operations and last active color memory function, along with auto off to save battery life
Constructed with Single-Piece of premium Aircraft-Grade Aluminum Alloy with 30mm tube diameter body, Cardan joint design, hardened Anodized Black Matte finish for extra durability
Nitrogen filled Scope Housing, Completely Sealed with O-Ring, making scope Shockproof, Waterproof, and Fog proof
QTA (Quick Tactical Adjustment) tactical turrets with precise 1/8″ MOA click value for wind and elevation adjustment
About the Eastvale Manufacturer
Eastvale is a premium producer for weapon scopes, optics, mounts, and other add-ons used for guns like rifles and long guns. They create and supply their products working with building materials which are durable and long lasting. This includes the Eastvale 4-16x56SPA Hunting Rifle Scope with Fully-Coated Wire Mil-Dot Red, Green and Blue Illuminated Reticle by Eastvale. For more shooting goods, visit their website.
Scope Details
Rifle scopes allow you to precisely aim a rifle at different targets by lining up your eye with the target over a range. They do this through magnifying the target by utilizing a series of lenses within the scope. The scope’s alignment can be adapted for consideration of various ecological aspects like wind speed and elevation decreases to make up for bullet drop.
The scope’s purpose is to understand precisely where the bullet will land based on the sight picture you are seeing with the scope as you align the scope’s crosshair or reticle with the intended point of impact. Most modern-day rifle optics have about 11 parts which are arranged internally and externally on the optic. These parts consist of the rifle scope’s body, lenses, windage turrets or dials, focus rings, and other parts. See all eleven parts of optics.
About Optic Styles
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. The style of focal plane a scope has decides where the reticle or crosshair is located relative to the optic’s magnifying adjustments. It actually implies the reticle is behind or in front of the magnification lens of the optic. Deciding on the most effective form of rifle scope depends upon what style of shooting or hunting you intend on undertaking.
First Focal Plane Glass
First focal plane scopes (FFP) include the reticle in front of the zoom lens. This triggers the reticle to increase in size based upon the amount of magnification being used. The outcome is that the reticle measurements are the same at the amplified distance as they are at the non magnified range. One tick on a mil-dot reticle at 100 yards without “zoom” is still the exact same tick at one hundred yards with 5x “zoom”. These types of scopes are beneficial for:
- Quick acquisition, long distance types of shooting
- Shooting circumstances where calculations are minimal
- Experienced shooters who recognize their aim point “hold over” as well as “lead” ratios for their weapon
- Shooters who don’t mind the reticle is enlarged and takes up more visual sight space than a SFP reticle
Info on Second Focal Plane Scopes
Second focal plane optics (SFP) come with the reticle to the rear of the magnification lens. This induces the reticle to remain at the same size in relation to the quantity of magnification being used. The outcome is that the reticle measurements change based on the zoom used to shoot over longer distances because the reticle measurements represent distinct increments which differ with the magnification. In the FFP illustration with the SFP scope, the 5x “zoom” one hundred yard tick measurement would be 1/5th of the non “zoom” tick. These particular types of glass work for:
- Long distance kinds of shooting where shooters have increased time to make ballistic computations
- Shooting where most of the shots take place within shorter spaces and ranges
- Shooters who want a clearer optic sight picture without room taken up by the larger sized FFP reticle
Magnification for Rifle Glass
The amount of zoom a scope provides is identified by the size, 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 Rifle Scope Info
A single power rifle optic will have a zoom number designator like 4×32. This suggests the magnification power of the scope is 4x power and the objective lens is 32mm. The zoom of this kind of scope can not adjust considering that it is a fixed power scope.
Adjustable Power Lens Optic Details
Variable power rifle scopes have adjustable power. It will list the magnification level in a configuration like 2-10×32. These numbers indicate the zoom of the scope could be set between 2x and 10x power. This also includes the powers in-between 2 and 10. The power modification is accomplished by applying the power ring part of the scope near the back of the scope by the eye bell piece.
Power and Range Correlations
Here are some suggested scope powers and the ranges where they can be successfully used. Keep in mind that higher power scopes will not be as efficient as lower magnification level scope and optics since excessive magnification can be a detractor. The exact same concept applies to longer distances where the shooter needs sufficient power to see where to properly aim the rifle.
About Lens Finish
All modern rifle scope lenses are coated. There are various types and qualities of glass coatings. When looking at luxury rifle optical systems, Lens covering can be an important aspect of a rifle. The glass lenses are one of the most vital components of the scope since they are what your eye looks through while sighting a rifle in on the point of impact. The finish on the lenses safeguards the lens exterior and helps with anti glare capabilities from refracted light and color visibility.
HD Versus ED Rifle Optic Lens Coatings
Some scope producers likewise use “HD” or high-definition lens finishings which use different methods, elements, chemicals, and polarizations to draw out various colors and viewable quality through the lens. Some scope manufacturers use “HD” to refer to “ED” meaning extra-low dispersion glass.
Single Coating Versus Multi-Coating for Scopes
Different optic lenses can also have various finishes used to them. All lenses usually have at least some type of treatment or finish applied to them prior to being used in a rifle scope or optic.
Single coated lenses have a treatment applied to them which is normally a protective and improving multi-purpose treatment. This lens treatment can protect the lens from scratches while minimizing glare and other less useful things experienced in the shooting environment while sighting in with the optic. The quality of a single covered lens depends upon the scope producer and the amount you paid for it. Both are indicators of the lens quality.
Some scope producers also make it a point to define if their optic lenses are layered or “multi” coated. Being “much better” depends on the manufacturer’s lens treatment technology and the quality of materials used in building the rifle scope.
Hydrophobic Lens Coatings
Water on a lens doesn’t assist with maintaining a clear sight picture through a scope at all. Many top of the line and military grade scope companies will coat their lenses with a hydrophobic or hydrophilic anti-water finish.
Glass Installing Options
Installing options for scopes are available in a couple of options. There are the basic scope rings which are separately installed to the scope and one-piece scope mounts which cradle the scope. These different types of mounts also usually are made in quick release versions which use throw levers which permit rifle shooters to quickly mount and remove the optics.
Rifle Glass Mounts with Hex Key Rings
Standard, clamp-on style mounting optic rings use hex head screws to install to the flattop design Picatinny scope mounting rails on rifles. These styles of scope mounts use a pair of separate rings to support the optic, and are normally constructed from 7075 T6 billet aluminum which are designed for long distance precision shooting. This kind of scope mount is exceptional for rifles which require a long lasting, unfailing mount which will not move despite how much the scope is moved about or jarring the rifle takes. These are the design of mounts you really want to have for a devoted scope setup on a far away hunting or tournament firearm which will rarely need to be modified or recalibrated. Blue 242 Loctite threadlocker can also be used on the mount screws to keep the hex screws from backing out after they are mounted firmly in place. An example of these rings are the 30mm style from Vortex Optics. The set normally costs around $200 USD
Quick-Release Cantilever Rifle Glass Rings
These types of quick-release rifle scope mounts can be used to rapidly attach and remove a scope from a rifle before reattaching it to a different rifle. Multiple scopes can even be swapped out if they all use a similar design mount. These types of mounts are handy for rifle platforms which are carried a lot, to remove the optic from the rifle for protection, or for scopes which are used between several rifles or are situationally focused.
Sealing and Gas Purging for Glass Tubes
Wetness inside your rifle scope can ruin a day of shooting and your expensive optic by causing fogging and creating residue inside of the scope tube. The majority of scopes avoid wetness from entering the scope tube with a system of sealing O-rings which are water resistant.
Optic Gas Purging
Another element of preventing the buildup of moisture inside of the rifle scope tube is filling the tube with a gas like nitrogen. Given that this area is already occupied by the gas, the glass is less impacted by temperature level shifts and pressure differences from the outdoor environment which could potentially permit water vapor to permeate in around the seals to fill the void which would otherwise be there. These are good qualities of a decent rifle scope to look for.










