Description
Rifle Scope Product Details
VANGUARD Endeavor RS IV 2.5-10×50 30mm Riflescope, German 4 Reticle, Illuminated
Endeavor RS IV offers acclaimed Vanguard quality in a premium European tube design to meet the performance requirements of the aspiring and professional user. Exceptional image quality is delivered through multilayer anti-reflective coatings for increased light transmission and optical designs using premium HOYA ED glass. Large fields of view, a rapid focus eyepiece, and enhanced contrast combine to deliver a positive experience afield. The single piece 30MM tube is constructed from high grade T6061 aluminum, and with its hard anti-scratch anodized matte surface deliver a robust and ergonomic platform. The Endeavor RS IV is sealed against dust and moisture, nitrogen purged, and recoil resistant to provide a lifetime of dependability and success. Precise windage and elevation adjustments offer reset capability and accuracy with a locking side parallax system on certain models. The Endeavor RS IV offers illuminated Duplex, German #4 and Dispatch ballistic reticles for easy application in low light. Engineered to handle rugged terrain in the most challenging conditions and backed by our Industry Leading Warranty. Vanguard manufactures the Endeavor RS IV in its own factory to ensure the highest quality from start to finish. A great all around riflescope with enough magnification to extend your rifle’s reach. Perfect in the mountains as well as on the deer stand. The large 50MM objective and illuminated reticle delivers exceptional low light performance.
Rifle Scope Product Features
One Piece Solid Aircraft Grade Aluminum Body and Hard and Durable Anodized Finish
Precise Windage & Elevation Adjustment with Zero Reset Feature and Four Times Zoom Factor
Premium HOYA ED Glass Provides True Color and Edge to Edge Clarity and Advanced MultiGuard Coatings for Higher Light Transmittance
Rapid Focus Eyepiece and Illuminated Reticle. Premium Lifetime Warranty
Magnification: 2.5~10. Objective Diameter: 50mm. Tube Size: 30mm. Weight: 23.98 ounces. Scope length: 13.98″. Exit Pupil: 20.0~5.0mm. View angle: 8.4~2.1 degrees. Field of View: 44~11 ft/100 yards. Eye Relief: 4.02~3.62″.
About the Vanguard Brand
Vanguard is a premium company for rifle scopes, optics, mounting solutions, and other components used for firearms like rifles and long guns. They style and build their scopes and related products working with elements which are long lasting and resilient. This includes the VANGUARD Endeavor RS IV 2.5-10×50 30mm Riflescope, German 4 Reticle, Illuminated by Vanguard. For more shooting products, visit their site.
Optic Details
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 zoom using a series of lenses within the scope. The scope’s positioning can be adjusted to account for separate natural factors like wind speed and elevation increases to make up for bullet drop.
The scope’s purpose is to help shooters understand exactly where the bullet will hit based upon the sight picture you are seeing through the scope as you align the scope’s crosshair or reticle with the target. The majority of modern rifle scopes have around 11 parts which are arranged within and on the exterior of the optic. These optic pieces include the rifle scope’s body, lenses, elevation turrets or dials, objective focus rings, and other components. See all eleven parts of a rifle optical system.
Rifle Scope Styles
Rifle scopes can be either “first focal plane” or “second focal plane” type of optics. Considering the optimal type of rifle glass depends on what type of shooting you plan to do.
First Focal Plane Optics
Focal plane scopes (FFP) feature the reticle in front of the magnification lens. These styles of scopes are helpful for:
- Quick acquisition, far away types of shooting
- Shooting circumstances where computations are marginal
- Experienced shooters who understand their target “hold over” and “lead” correlations for their weapon
- Shooters who do not mind the reticle is bigger and takes up more visual sight room than a SFP reticle
Second Focal Plane Scope Info
Second focal plane optics (SFP) include the reticle behind the zoom lens. In the FFP example with the SFP scope, the 5x “zoom” 100 yard tick reticle measurement would be 1/5th of the non “zoom” tick reticle measurement.
- Long distance styles of shooting where shooters have additional time to make ballistic computations
- Shooting where most shots take place within much shorter ranges and distances
- Shooters who desire a clearer optic sight picture without room taken up by the bigger FFP reticle
Rifle Glass Zoom
The quantity of magnification 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.
Info on Fixed Power Lens Rifle Scopes
A single power rifle optic comes with a magnification number designator like 4×32. This indicates the zoom power of the scope is 4x power while the objective lens is 32mm. The magnification of this type of scope can not change since it is a fixed power optic.
Variable Power Lens Glass
Variable power rifle scopes use enhanced power. The power change is accomplished by using the power ring part of the scope near the back of the scope by the eye bell.
Power and Range
Here are some suggested scope power settings and the distances where they can be efficiently used. Bear in mind that higher magnification scopes will not be as efficient as lower magnification level optics because too much zoom can be a negative thing in certain situations. The same idea applies to extended ranges where the shooter needs to have sufficient power to see exactly where to best aim the rifle at the target.
Lens Finishing for Scopes
All modern rifle optic and scope lenses are coated. There are different types and qualities of lens finishes. When looking at luxury rifle optics and scope setups, Lens covering can be a very important aspect of defining the capability of the rifle. The glass lenses are one of the most key pieces of the scope since they are what your eye looks through while sighting a rifle in on the target. The covering on the lenses shields the lens surface area as well as improves anti glare from excess sunlight and color profiles.
HD Versus ED Lenses
Some scope companies even use “HD” or high-definition glass coatings that employ various procedures, polarizations, rare earth compounds, and aspects to extract various color ranges and viewable target definition through lenses. This high-definition covering is typically used with higher density glass which drops light’s opportunity to refract by means of the lens glass. Some scope makers use “HD” to refer to “ED” suggesting extra-low dispersion glass. ED deals with how colors are represented on the chromatic spectrum and the chromatic difference or aberration which is also called color distortion or fringing. Chromatic aberration can be noticeable over objects with hard edges and outlines as light hits the object from specific angles.
Single Coating Versus Multi-Coating
Various scope lenses can even have different finishings 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. Because the lens isn’t just a raw piece of glass, they require performance enhancing coatings. It becomes part of the carefully tuned optic. It requires a coating to be applied to it so that it will be optimally usable in lots of kinds of environments, degrees of sunlight (full VS shaded), and other shooting conditions.
This lens treatment can safeguard the lens from scratches while lowering glare and other less useful things experienced in the shooting environment while sighting in with the scope. The quality of a single covered lens depends on the scope producer and how much you paid for it.
Some scope makers also make it a point to specify if their optic lenses are covered or “multi” coated. Being “better” depends on the maker’s lens treatment innovation and the quality of products used in building the rifle scope.
Details on Anti-water Covering
Water on a lens doesn’t help with keeping a clear sight picture through a scope at all. Numerous top of the line and high-end optic makers will coat their lenses with a hydrophobic or hydrophilic finishing.
Rifle Optic Installation Options
Mounting options for scopes can be found in a couple of options. There are the basic scope rings which are individually installed to the optic and one-piece mounts which cradle the scope. These different types of mounts also normally come in quick release variations which use toss levers which permit rifle operators to quickly mount and dismount the scope.
Hex Key Glass Ring Mounting Solutions
Basic, clamp type mounting scope rings use hex head screws to mount to the flattop design Picatinny scope mounting rails on the tops of rifles. These varieties of scope mounts use double individual rings to support the scope, and are usually constructed from 7075 T6 billet aluminum or similar materials which are created for far away precision shooting. This form of scope mount is ideal for rifle systems which need to have a durable, hard use mount which will not move regardless of just how much the scope is moved about or jarring the rifle takes. These are the design of mounts you should have for a devoted optics setup on a reach out and touch someone hunting or sniper competition long gun which will seldom need to be altered or adjusted. Blue 242 Loctite threadlocker can also be used on the scope mount’s screws to keep the hex screw threads from backing out after they are mounted securely in place. An example of these rings are the 30mm type from the Vortex Optics company. The set usually costs around $200 USD
Quick-Release Cantilever Glass Ring Mounting Solutions
These types of quick-release rifle scope mounts can be used to rapidly connect and detach a scope from a rifle before reattaching it to a different rifle. Several scopes can even be swapped out if they all use a compatible style mount. These types of mounts come in handy for rifle platforms which are carried a lot, to swap out the optic from the rifle for protecting the scope, or for optics which are used in between several rifles.
Sealing and Gas Purging for Optic Tubes
Wetness inside your rifle glass can wreck a day on the range and your highly-priced optic by causing fogging and developing residue inside of the scope tube. Most optics protect against moisture from entering the scope tube with a series of sealing O-rings which are water resistant. Normally, these water resistant optics can be submerged beneath 20 or 30 feet of water before the water pressure can force moisture past the O-rings. This should be plenty of moisture content avoidance for common use rifles for hunting and sporting purposes, unless you anticipate taking your rifle boating and are concerned about the optic still functioning if it goes over the side and you can still retrieve the gun.
Info Around Scope Tube Gas Purging
Another part of avoiding the buildup of moisture within the rifle scope’s tube is filling the tube with a gas like nitrogen. Since this area is already occupied by the gas, the optic is less affected by temperature level changes and pressure differences from the outside environment which could potentially enable water vapor to leak 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.
