Description
Rifle Scope Product Details
US Optics FDN FX10 10x40mm FFP H425 34mm Riflescope FDN-FX10-H425
Built on a precision machined 34mm aluminum maintube, the US Optics’ Foundation 10X is a 10x fixed magnification riflescope designed to handle the most brutal scenarios while delivering top-tier optical clarity. The FX10 is outfitted with US Optics’ ER3K elevation low-profile turret and ergonomic US #1 windage knobs ensuring fast and tactile adjustments in the field.
Rifle Scope Product Features
Matte Black Type III Hard Anodized Finish
Low Profile Magnification Turret
6061-T6 Aluminum 34mm Main Tube
Integrated Illumination & Parallax Knob
About the U.S. Optics Brand
U.S. Optics is a premium producer for rifle scopes, optics, mounts, and other add-ons used for guns like rifles and long guns. They design and make their scopes and related products by using elements which are resilient and long lasting. This includes the US Optics FDN FX10 10x40mm FFP H425 34mm Riflescope FDN-FX10-H425 by U.S. Optics. For more shooting products, visit their website.
What You Need to Know About Glass
Rifle scopes permit you to specifically aim a rifle at different targets by lining up your eye with the target at range. They accomplish this through zoom by utilizing a series of lenses inside the scope. The scope’s positioning can be adjusted for the consideration of numerous ecological elements like wind speed and elevation decreases to account for bullet drop.
The scope’s function is to help shooters understand exactly where the bullet will land based upon the sight picture you are seeing with the scope as you align the scope’s crosshair or reticle with the intended target. A lot of modern rifle optics have around eleven parts which are located internally and externally on the optic. These optic pieces include the rifle scope’s body, lenses, windage dials, focus rings, and other components. Learn about the eleven parts of rifle scopes.
Rifle Optic Varieties
Rifle scopes can be either “first focal plane” or “second focal plane” style of scopes. The kind of focal plane a scope has establishes where the reticle or crosshair lies relative to the optic’s magnifying adjustments. It actually indicates the reticle is behind or before the magnification lens of the scope. Picking out the very best type of rifle glass is based upon what type of shooting you anticipate doing.
Info About First Focal Plane Optics
Focal plane scopes (FFP) include the reticle in front of the zoom lens. These styles of scopes are beneficial for:
- Quick acquisition, long distance kinds of shooting
- Shooting circumstances where estimations are minor
- Experienced shooters who recognize their target “hold over” and also “lead” ratios for their long gun
- Shooters who don’t mind the reticle is enlarged and uses up more visual sight space than a SFP reticle
Second Focal Plane Glass
Second focal plane optics (SFP) come with the reticle to the rear of the magnification lens. In the FFP example with the SFP scope, the 5x “zoom” one hundred yard tick measurement would be 1/5th of the non “zoom” tick.
- Long distance types of shooting where shooters have increased time to make ballistic estimations
- Shooting where most of the shots take place within much shorter distances and ranges
- Shooters who want a clearer optic picture with less room taken up by the larger size FFP reticle
Details on Rifle Glass Magnification
The level of scope zoom you need on your optic is based on the style of shooting you wish to do. Almost every kind of rifle glass gives some degree of zoom. The quantity of magnification a scope offers is determined by the size, thickness, and curvatures of the lenses within the rifle scope. The zoom of the scope is the “power” of the opic. This means what the shooter is looking at through the scope is magnified times the power aspect of what can usually be seen by human eyes.
About Fixed Single Power Lens Scopes
A single power rifle scope and optic comes with a zoom number designator like 4×32. This indicates the magnification power of the scope is 4x power while the objective lens is 32mm. The magnification of this kind of optic can not adjust since it is fixed.
Adjustable Power Lens Rifle Optics
Variable power rifle scopes use variable power levels. The power change is accomplished using 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 powers and the distances where they may be successfully used. Consider that high magnification scopes and optics will not be as practical as lower powered scopes because excessive magnification can be a negative thing in certain situations. The exact same concept relates to extended distances where the shooter needs to have increased power to see exactly where to properly aim the rifle at the target.
Scope Lens Covering
All contemporary rifle optic and scope lenses are covered in special coatings. There are different types and qualities of coatings. Lens coating is a crucial aspect of a rifle when looking into luxury rifle optics and scope equipment. The glass lenses are one of the most crucial pieces of the glass because they are what your eye looks through while sighting a rifle in on the point of impact. The finishing on the lenses protects the lens surface area and even improves anti glare capabilities from excess sunshine and color perception.
HD Versus ED Lenses
Some scope manufacturers also use “HD” or high-definition lens finishes which use various procedures, components, polarizations, and chemicals to draw out different colors and viewable quality through the lens. Some scope makers use “HD” to refer to “ED” meaning extra-low dispersion glass.
Single Coating Versus Multi-Coating for Optics
Various optic lenses can also have different coverings used to them. All lenses normally have at least some type of treatment or coating applied to them before they are used in a rifle scope or optic.
This lens treatment can protect the lens from scratches while decreasing glare and other less useful things experienced in the shooting environment while sighting in with the scope. The quality of a single coated lens depends on the scope producer and how much you paid for it.
Some scope producers also make it a point to specify if their optic lenses are layered or “multi” coated. This suggests the lens has several treatments applied to the surfaces. If a lens receives several treatments, it can show that a company is taking several steps to fight various environmental factors like an anti-glare finishing, a scratch resistant anti-abrasion covering, followed by a hydrophilic coating. This also doesn’t always imply the multi-coated lens will perform much better than a single coated lens. Being “better” hinges on the maker’s lens treatment techniques and the quality of products used in building the rifle scope.
Glass Lens Hydrophobic Finishing
Water on a lens does not help with maintaining a clear sight picture through a scope at all. Numerous top of the line and high-end scope manufacturers will coat their lenses with a hydrophilic or hydrophobic coating. The Steiner Optics Nano-Protection is a fine example of this type of treatment. It treats the exterior surfaces of the Steiner glass lens so the H2O molecules can not bind to it or create surface tension. The result is that the water beads sheet off of the scope to keep a clear, water free sight picture.
Optic Mounting Choices
Mounting solutions for scopes come in a few choices. There are the basic scope rings which are separately installed to the optic and one-piece scope mounts which cradle the scope. These different kinds of mounts also typically are made in quick release versions which use toss levers which enable rifle operators to rapidly install and dismount the optics.
Hex Key Rifle Scope Ring Mounting Solutions
Normal, clamp design mounting scope rings use hex head screws to mount to the flattop style Picatinny scope mount rails on rifles. These types of scope mounts use a couple of different rings to support the optic, and are made from 7075 T6 billet aluminum which is designed for long range precision shooting. This type of scope install is excellent for rifles which require a long lasting, sound mounting solution which will not move no matter how much the scope is moved or abused.
Quick-Release Cantilever Rifle Optic 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 similar design mount. These types of mounts are convenient for long guns which are transferred a lot, to remove the optic from the rifle for protection, or for optics which are used in between numerous rifles or are situationally focused.
Sealing and Gas Purging for Rifle Optic Tubes
Moisture inside your rifle scope can destroy a day of shooting and your expensive optic by causing fogging and developing residue inside of the scope tube. Many scopes prevent moisture from getting in the scope tube with a system of sealing O-rings which are water resistant.
Gas Purged Rifle Glass Tubes
Another element of avoiding the accumulation of wetness inside of the rifle optic’s tube is filling the tube with a gas like nitrogen. Given that this space is already taken up by the gas, the optic is less affected by temperature level alterations and pressure distinctions from the external environment which could potentially enable 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 seek out.
