Description
Rifle Scope Product Details
U.S. Optics FDN-17X Riflescope, 3.2-17x50mm, 34mm Tube, FFP, MGR Reticle, 1/4 IPHY FDN 17X MGR
U.S. Optics FDN-17X Riflescope, 3.2-17x50mm, 34mm Tube, FFP, MGR Reticle, 1/4 IPHY Elevation/ Windage Adjustment, Black, Medium, FDN 17X MGR
Rifle Scope Product Features
U.S. Optics FDN-17X Riflescope
3.2-17x50mm, 34mm Tube
FFP, MGR Reticle, 1/4 IPHY FDN 17X MGR
About the U.S. Optics Manufacturer
U.S. Optics is a premium company for rifle scopes, optics, mounting solutions, and other accessories used for guns like rifles and long guns. They style and manufacture their scopes, mounts, and related products using materials which are resilient and long lasting. This includes the U.S. Optics FDN-17X Riflescope, 3.2-17x50mm, 34mm Tube, FFP, MGR Reticle, 1/4 IPHY FDN 17X MGR by U.S. Optics. For additional shooting goods, visit their site.
What You Need to Know About Optics
Rifle scopes allow you to precisely aim a rifle at different targets by aligning your eye with the target at range. They do this through magnifying the target by using a set of lenses within the scope. The scope’s alignment can be adjusted for consideration of numerous ecological factors like wind and elevation decreases to account for bullet drop.
The scope’s purpose is to understand precisely where the bullet will land based on the sight picture you are viewing using the optic as you line up the scope’s crosshair or reticle with the intended target. The majority of modern-day rifle scopes and optics have around 11 parts which are located inside and externally on the optic. These optic pieces include the rifle scope’s body, lenses, windage dials or turrets, objective focus rings, and other parts. Learn about the eleven parts of glass.
Rifle Glass Varieties
Rifle scopes can be either “first focal plane” or “second focal plane” kind of scopes. The form of focal plane a scope has establishes where the reticle or crosshair lies in connection with the optic’s magnification. It simply suggests the reticle is behind or in front of the magnifying lens of the optic. Deciding upon the very best style of rifle glass is dependent on what variety of hunting or shooting you intend on doing.
Info on First Focal Plane Scopes
Focal plane scopes (FFP) include the reticle in front of the magnification lens. These types of scopes are useful for:
- Quick acquisition, far away kinds of shooting
- Shooting circumstances where computations are marginal
- Experienced shooters who understand their aim point “hold over” plus “lead” ratios for their weapon
- Shooters who do not mind the reticle is enlarged and requires more visual eyesight space than a SFP reticle
Second Focal Plane Optic Info
Second focal plane optics (SFP) come with the reticle to the rear of the magnification lens. This causes the reticle to stay at the exact same size in connection with the quantity of magnification being used. The end result is that the reticle dimensions adapt based on the magnification employed to shoot over lengthier distances given that the reticle markings present different increments which fluctuate with the zoom. In the FFP example with the SFP optic, the 5x “zoom” 100 yard tick reticle measurement would be 1/5th of the non “zoom” tick. These particular types of glass work for:
- Long distance styles of shooting where shooters have more time to make ballistic calculations
- Shooting where most of the shots happen within shorter distances and ranges
- Shooters who like a clearer optic sight picture with less space taken up by the bigger FFP reticle
Details on Rifle Optic Zoom
The quantity of zoom a scope provides is determined by the diameter, thickness, and curvatures of the lenses inside of the rifle scope. The magnification of the scope is the “power” of the scope.
Single Power Lens Scopes
A single power rifle optic uses a magnification number designator like 4×32. This suggests the zoom power of the scope is 4x power and the objective lens is 32mm. The zoom of this type of optic can not fluctuate given that it is a set power scope.
Adjustable Power Lens Rifle Optic Info
Variable power rifle scopes use variable power levels. The power change is handled using the power ring part of the scope near the rear of the scope by the eye bell.
Glass Power and Ranges
Here are some suggested scope power settings and the ranges where they could be successfully used. Highly magnified scopes will not be as effective as lower magnification scopes due to the fact that too much magnification can be a negative aspect depending on your shooting distance. The very same idea goes for longer distances where the shooter needs enough power to see where to properly aim the rifle.
About Lens Finish
All contemporary rifle scope lenses are layered. There are different types and qualities of lens finishings. Lens finishing is a crucial element of a rifle when looking into high-end rifle optics and targeting systems. The glass lenses are among the most crucial parts of the optic considering they are what your eye sees through while sighting a rifle in on the point of impact. The coating on the lenses protects the lens surface area and also assists with anti glare from excess sunrays and color perception.
HD Versus ED Rifle Glass Lens Coatings
Some scope producers also use “HD” or high-definition lens coverings which use different techniques, components, polarizations, and chemicals to draw out a wide range of colors and viewable quality through the lens. Some scope producers use “HD” to refer to “ED” indicating extra-low dispersion glass.
What to Know About Single Coating Versus Multi-Coating
Different optic lenses can likewise have different coverings used to them. All lenses generally have at least some type of treatment or covering used to them prior to being used in a rifle scope or optic.
Single coated lenses have a treatment applied to them which is generally a protective and enhancing multi-purpose treatment. This lens treatment can preserve the lens from scratches while decreasing 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 developer and how much money you spent on it. Both the manufacturer and amount are indicators of the lens quality.
Some scope producers likewise make it a point to define if their optic lenses are covered or “multi” coated. This means the lens has had multiple treatments applied to the surfaces of the glass. If a lens gets multiple treatments, it can show that a maker is taking numerous steps to combat different environmental elements like an anti-glare finish, a scratch resistant anti-abrasion finish, followed by a hydrophilic coating. This additionally does not always imply the multi-coated lens will perform better than a single covered lens. Being “better” is dependent on the manufacturer’s lens treatment innovation and the quality of glass used in building the rifle scope.
Hydrophobic Lens Coatings
Water on a lens doesn’t improve preserving a clear sight picture through a scope whatsoever. Many top of the line and high-end optic manufacturers will coat their lenses with a hydrophobic or hydrophilic finish. The Steiner Optics Nano-Protection is a good example of this type of treatment. It deals with the exterior of the Steiner optic lens so the water 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.
Choices for Installing Rifle Optics on Long Guns
Installing options for scopes can be found in a few choices. There are the standard scope rings which are individually installed to the optic and one-piece mounts which cradle the scope. These different kinds of mounts also typically come in quick release versions which use throw levers which allow rifle shooters to rapidly mount and dismount the scope.
Optic Mounting Solutions with Hex Key Rings
Normal, clamp style mounting scope rings use hex head screws to mount to the flattop design Picatinny scope mount rails on rifles. These types of scope mounts use a couple of separate rings to support the optic, and are often made from 7075 T6 billet aluminum which are developed for long distance precision shooting. This type of scope mount is great for rifles which require a resilient, sound mounting solution which will not move no matter how much the scope is moved or abuse the rifle takes.
Quick-Release Cantilever Glass Ring Mounting Solutions
These types of quick-release rifle scope mounts can be used to rapidly remove a scope and attach it to a different rifle. Numerous scopes can even be swapped out if they all use a similar style mount. These types of mounts are handy for long guns which are transferred a lot, to swap out the optic from the rifle for protection, or for optics which are used in between several rifles.
Info Around Scope Tube Sealing and Gas Purging
Moisture inside your rifle optic can destroy a day of shooting and your costly optic by causing fogging and developing residue inside of the scope tube. Many scopes avoid wetness from going into the scope tube with a system of sealing O-rings which are waterproof.
Gas Purged Optic Tubes
Another element of preventing the accumulation of wetness within the rifle optic tube is filling the tube with a gas like nitrogen. Given that this area is currently occupied by the gas, the glass is less altered by condition shifts and pressure distinctions from the outdoor environment which could possibly allow water vapor to permeate in around the seals to fill the void which would otherwise be there. These are good qualities of a good rifle scope to seek out.
