Description
Rifle Scope Product Details
IOR Valdada 4-28×50 40mm Recon Tactical FFP, Mil/Mil, Xtreme X1 Illum. Reticle (We Sell All Products!)
The new 4-28×50 40mm Tactical scope, is the finest riflescope ever built. It is loaded with great features: -finest HDF low dispersion glass Schott Glassworks, Germany has to offer -broad band fully multicoating MC-7 IOR technology -optical clarity and brightness that will allow the shooter to see details never before seen -40mm tube dramatically reduces the whip and vibration effects associated with large magnum calibers -35 mil (aprox 125 MOA) of vertical adjustment, along with rock solid internal mechanisms, make this scope an ideal choice for .338 Lapua, 408 Cheytac, .50 BMG and other Magnum calibers -new parallax adjustment system will allow the scope to focus as close as 21 feet @ 28x power. -compact size (total scope lenght is only 14 inch) will make any rifle look very cool TECHNICAL FEATURES MAGNIFICATION 4x-28x OBJECTIVE SIZE 50mm FIELD OF VIEW (100 YDS.) 58 Ft. to 6 Ft. EXIT PUPIL 1.7- 12.5 mm EYE RELIEF 3.85 INCH DIOPTRICAL ADJUSTMENT -3 TO +3 DPT. RETICLE-TOTAL ADJUSTMENT RANGE 36 MRAD @ 100 YDS. CLICK VALUE 0.1 MRAD @ 100 YDS. TUBE DIAMETER 40 MM LENGTH 14 INCH WEIGHT 39 OZ.
Rifle Scope Product Features
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About the IOR Valdada Company
IOR Valdada is a premium manufacturer for firearm scopes, optics, mounting solutions, and other accessories used for firearms like rifles and long guns. They design and make their mounts and related products working with elements which are resilient and long lasting. This includes the IOR Valdada 4-28×50 40mm Recon Tactical FFP, Mil/Mil, Xtreme X1 Illum. Reticle (We Sell All Products!) by IOR Valdada. For additional shooting items, visit their site.
Information About Rifle Scopes
Rifle scopes permit you to precisely aim a rifle at different targets by aligning your eye with the target at range. They accomplish this through magnification by making use of a set of lenses inside the scope. The scope’s alignment can be dialed in for the consideration of different ecological aspects like wind and elevation decreases to account for bullet drop.
The scope’s function is to help the shooter understand exactly where the bullet will land based on the sight picture you are viewing through the scope as you align the scope’s crosshair or reticle with the intended target. Most modern rifle scopes have around eleven parts which are located inside and outside of the optic. These parts consist of the rifle scope’s body, lenses, adjustment turrets or dials, objective focus rings, and other parts. See all eleven parts of a rifle optical system.
Rifle Scope Varieties
Rifle scopes can be either “first focal plane” or “second focal plane” type of optics. Choosing the finest type of rifle glass is based around what type of shooting you plan on doing.
First Focal Plane Scope Details
Focal plane scopes (FFP) feature the reticle in front of the magnification lens. These kinds of scopes are helpful for:
- Quick acquisition, long distance types of shooting
- Shooting scenarios where calculations are low
- Experienced shooters who know their target “hold over” as well as “lead” ratios for their rifles
- Shooters who don’t mind the reticle is enlarged and occupies more visual eyesight room than a SFP reticle
Info on Second Focal Plane Glass
Second focal plane optics (SFP) come with the reticle behind the magnifying lens. This induces the reticle to stay at the very same scale relative to the level of magnification being used. The outcome is that the reticle measurements change based upon the zoom applied to shoot over longer ranges given that the markings present different increments which fluctuate with the zoom level. In the FFP example with the SFP glass, the 5x “zoom” one hundred yard tick measurement would be 1/5th of the non “zoom” tick measurement. These particular varieties of glass work for:
- Far away types of shooting where shooters have additional time to make ballistic estimations
- Shooting where most shots occur within much shorter spaces and ranges
- Shooters who prefer a clearer optic picture without space used up by the bigger FFP reticle
Magnification for Glass
The extent of scope magnification you need on your optic depends upon the kind of shooting you would like to do. Almost every style of rifle optic gives some degree of magnification. The quantity of magnification a scope supplies is determined by the size, thickness, and curvatures of the lenses within the rifle optic. The magnifying level of the optic is the “power” of the opic. This indicates what the shooter is aiming at through the scope is magnified times the power aspect of what can typically be seen by human eyes.
Fixed Single Power Lens Scopes
A single power rifle scope or optic will have a magnification number designator like 4×32. This implies the magnification power of the scope is 4x power while the objective lens is 32mm. The magnification of this type of scope can not change because it is set from the factory.
Info on Adjustable Power Lens Optics
Variable power rifle scopes have adjustable power. It will list the magnification level in a format like 2-10×32. These numbers indicate the zoom of the scope can be changed in between 2x and 10x power. This always includes the powers in-between 2 and 10. The power modification is accomplished by making use of the power ring part of the scope near the back of the scope by the eye bell piece.
Power and Range
Here are some advised scope power levels and the distances where they can be successfully used. Consider that high power scopes will not be as efficient as lower magnification level optics and scopes due to the fact that increased magnification can be a negative thing in certain situations. The exact same idea relates to longer distances where the shooter needs to have adequate power to see exactly where to best aim the rifle.
Info on Scope Lens Finishes
All contemporary rifle optic and scope lenses are covered in special coatings. There are different types and qualities of glass finishes. Lens finishing is a crucial aspect of a rifle’s setup when thinking of high end rifle optics and scope systems. The glass lenses are among the most critical components of the optic considering 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 and assists with anti glare from refracted sunlight and color discernibility.
ED Versus HD Optics
Some scope producers also use “HD” or high-definition lens coatings which use different procedures, components, polarizations, and chemicals to draw out different colors and viewable quality through the lens. Some scope producers use “HD” to refer to “ED” to signify the lens has extra-low dispersion glass.
What to Know About Single Covering Versus Multi-Coating
Various optic lenses can even have various coatings applied to them. All lenses generally have at least some type of treatment or finishing applied to them before they are used in a rifle scope or optic assembly. This is because the lens isn’t just a raw piece of glass. It is part of the finely tuned optic. It needs to have a finishing put on it so that it will be efficiently usable in many types of environments, degrees of sunlight (full VS shaded), and other shooting conditions.
Single coated lenses have a treatment applied to them which is usually a protective and improving multi-purpose treatment. This lens treatment can shield the lens from scratches while reducing glare and other less advantageous things experienced in the shooting environment while sighting in with the optic. The quality of a single coated lens depends upon the scope designer and how much money you spent paying for it. The scope’s maker and cost are indicators of the lens quality.
Some scope makers likewise make it a point to define if their optic lenses are coated or “multi” covered. This suggests the lens has had several treatments applied to them. If a lens receives multiple treatments, it can prove that a manufacturer is taking multiple steps to fight different environmental elements like an anti-glare finish, a scratch resistant anti-abrasion coating, followed by a hydrophilic covering. This additionally does not necessarily mean the multi-coated lens will perform much better than a single coated lens. Being “better” depends upon the producer’s lens treatment innovation and the quality of materials used in creating the rifle optic.
Anti-water Optic Lens Finish
Water on an optical lens doesn’t support preserving a clear sight picture through an optic in any way. Numerous top of the line and high-end scope producers will coat their lenses with a hydrophobic or hydrophilic finishing. The Steiner Optics Nano-Protection is a fine example of this kind of treatment. It deals with the exterior surfaces of the Steiner optic lens so the H2O molecules can not bind to it or develop surface tension. The result is that the water beads move off of the scope to keep a clear, water free sight picture.
Glass Installation Options
Mounting options for scopes can be found in a few choices. There are the standard scope rings which are individually mounted to the scope and one-piece mounts which cradle the scope. These different types of mounts also usually come in quick release versions which use throw levers which permit rifle shooters to quickly install and remove the scope.
Hex Key Scope Rings
Standard, clamp type mounting scope rings use hex head screws to mount to the flattop style Picatinny scope mounting rails on rifles. These styles of scope mounts use two individual rings to support the scope, and are normally made from 7075 T6 billet aluminum which are manufactured for long distance precision shooting. This type of scope mount is excellent for rifle systems which are in need of a long lasting, hard use mount which will not move regardless of just how much the scope is moved or abuse the rifle takes. These are the type of mounts you should have for a dedicated optics setup on a far away hunting or hard target interdiction long gun which will almost never need to be changed or adjusted. Blue 242 Loctite threadlocker can also be used on the screws to stop the hex screw threads from wiggling out after they are installed safely in position. An example of these rings are the 30mm type from Vortex Optics. The set usually costs around $200 USD
Rifle Glass Mounting Solutions with Quick-Release Cantilever Rings
These kinds 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. If they all use a comparable style mount, several scopes can also be switched out on the range. The quick detach design is CNC machined from anodized 6061 T6 aluminum and the mounting levers connect securely to a flat top style Picatinny rail. This enables the scope to be sighted in while on the rifle, taken off of the rifle, and remounted back on the rifle while maintaining precision. These kinds of mounts are useful and convenient for shooting platforms which are moved around a lot, to take off the scope glass from the rifle for protection, or for optics which are employed in between a number of rifles. An example of this mount style is the 30mm mount from Vortex Optics. It usually costs around $250 USD
Sealing and Gas Purging for Scope Tubes
Wetness inside your rifle optic can mess up a day on the range and your expensive optic by causing fogging and generating residue inside of the scope’s tube. The majority of scopes prevent humidity from getting in the optical tube with a system of sealing O-rings which are waterproof. Usually, these optics can be submerged under 20 or 30 feet of water before the water pressure can force moisture past the O-rings. This should be sufficient wetness prevention for basic use rifles for hunting and sporting purposes, unless you plan on taking your rifle on a boat and are worried about the scope still functioning if it goes over the side and you can still rescue the rifle.
About Rifle Scope Tube Gas Purging
Another component of preventing the buildup of moisture within the rifle scope’s tube is filling the tube with a gas like nitrogen. Considering that this space is already taken up by the gas, the glass is less altered by temperature shifts and pressure differences from the external environment which might possibly enable water vapor to permeate in around the seals to fill the void which would otherwise exist. These are good qualities of a decent rifle scope to look for.
