Last update on May 31, 2023 // Source: Amazon API
Rifle Scope Product Details
Swift SR653M Reliant Riflescope, Matte
Swift 4x40mm Wide Angle Rifle Scope is a general-purpose scope at 4x with the added features of wide full field, 35 feet at 100 yards-plus an R.L.E. of 150 giving brighter images under poor light conditions.
Rifle Scope Product Features
Item is Fog proof
Self Centering Quadraplex Reticle
Magnification – 4x 40mm
SWIFT SR653 Riflescope in Matte(M) or Silver(S) Finish
SWIFT SR653 Specifications
Objective Diameter: 40mm
FOV @ 1000 yds/m: 35ft/11.7m
Eye Relief: 3.0in/76.2mm
Prisms: BaK7 Schott
SWIFT SR653 Reliant Riflescope, 4×40
Available in Matte Black(M) or Silver(S) Finish
A general-purpose, fixed power scope with wide field of view and bright optics.
USA Made, BaK7 Schott Glass
Full Saddle Construction
1 inch Aircraft Aluminum
Locking Ring Eyepiece
Parallax Free at 100 Yards
1/4 inch Click MOA – Finger Turn, Windage and Elevation
Self-centering Quadraplex Reticle
Complete with Objective Dust Covers
Waterproof, Fogproof and Shockproof
SwiftReliant Five Year Warranty
About the Swift Sport Optics Brand
Swift Sport Optics is a premium company for rifle scopes, optics, mounts, and other add-ons used for firearms like rifles and long guns. They style and manufacture their mounts, scopes, and related products using elements which are long lasting and resilient. This includes the Swift SR653M Reliant Riflescope, Matte by Swift Sport Optics. For additional shooting goods, visit their site.
Facts About Rifle Glass
Rifle scopes enable you to precisely align a rifle at various targets by lining up your eye with the target over a range. They accomplish this through zoom using a series of lenses inside the scope. The scope’s alignment can be adapted for consideration of numerous natural things like wind and elevation decreases to account for bullet drop.
The scope’s purpose is to understand exactly where the bullet will land based upon the sight picture you are seeing via the optic as you align the scope’s crosshair or reticle with the intended target. A lot of contemporary rifle scopes and optics have about eleven parts which are located internally and on the exterior of the optic. These parts consist of the rifle scope’s body, lenses, modification turrets, focus rings, and other elements. See all eleven parts of an optic.
About Rifle Scope Types
Rifle scopes can be either “first focal plane” or “second focal plane” kind of scopes. The style of focal plane an optic has decides where the reticle or crosshair is located in relation to the scopes magnification. It actually indicates the reticle is situated behind or before the magnifying lens of the scope. Picking out the most ideal type of rifle glass is based upon what form of hunting or shooting you plan on doing.
First Focal Plane Optic Facts
First focal plane optics (FFP) include the reticle ahead of the magnifying lens. This induces 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 magnified distance as they are at the non magnified distance. For example, one tick on a mil-dot reticle at 100 yards without any “zoom” is still the same tick at 100 yards using 5x “zoom”. These kinds of scopes work for:
- Quick acquisition, long distance kinds of shooting
- Shooting scenarios where calculations are minimal
- Experienced shooters who recognize their aim point “hold over” and also “lead” relationships for their firearm
- Shooters who don’t mind the reticle is bigger and takes up more visual sight space than a SFP reticle
Second Focal Plane Optics
Second focal plane scopes (SFP) include the reticle behind the magnification 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.
- Far away forms 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 would like a clearer optic picture with less area taken up by the larger sized FFP reticle
Magnification for Scopes
The level of scope zoom you need on your optic is based on the style of shooting you plan to do. Pretty much every style of rifle optic offers some degree of zoom. The amount of zoom a scope gives is identified by the diameter, thickness, and curvatures of the lenses inside of the rifle optic. The magnifying level of the optic is the “power” of the opic. This signifies what the shooter is observing through the scope is amplified times the power aspect of what can normally be seen by human eyes.
Single Power Lens Rifle Optic Facts
A single power rifle scope or optic comes with a magnification number designator like 4×32. This indicates the magnification power of the scope is 4x power and the objective lens is 32mm. The magnification of this type of scope can not fluctuate because it is set from the factory.
Adjustable Power Lens Optic Info
Variable power rifle scopes can be changed between magnification increments. These types of scopes will note the magnification level in a format like 2-10×32. These numbers indicate the magnification of the scope could be set between 2x and 10x power. This always utilizes the power levels in-between 2 and 10. The power adaptation is achieved by making use of the power ring component of the scope near the back of the scope by the eye bell piece.
Glass Power and Ranges
Here are some suggested scope powers and the ranges where they could be effectively used. Remember that higher magnification scopes and optics will not be as effective as lower powered optics and scopes since too much magnification can be a negative thing in certain situations. The exact same concept applies to longer distances where the shooter needs sufficient power to see exactly where to best aim the rifle.
Lens Finish for Rifle Optics
All contemporary rifle optic lenses are covered. Lens coating is a vital element of a shooting platform when considering high end rifle optics and scope systems.
HD Versus ED Lenses
Some scope makers likewise use “HD” or high-definition lens finishes which use different methods, polarizations, chemicals, and components to draw out separate colors and viewable quality through the lens. Some scope manufacturers use “HD” to refer to “ED” implying extra-low dispersion glass.
Single Finishing Versus Multi-Coating for Rifle Glass
Various optic lenses can even have different coatings applied to them. All lenses usually have at least some kind of treatment or finishing applied to them before being used in a rifle scope or optic. Due to the fact that the lens isn’t just a raw piece of glass, they require performance enhancing coatings. It is part of the finely tuned optic. It requires a coating to be applied to it so that the lens will be efficiently functional in many kinds of environments, degrees of sunlight (full light VS shade), and other shooting conditions.
This lens treatment can offer protection to the lens from scratches while reducing glare and other less advantageous things experienced in the shooting environment while sighting in with the scope. The quality of a single covered lens depends on the scope maker and how much you paid for it.
Some scope manufacturers also make it a point to define if their optic lenses are layered or “multi” covered. This means the lens has multiple treatments applied to them. If a lens receives numerous treatments, it can prove that a company is taking multiple steps to combat various natural factors like an anti-glare finishing, a scratch resistant anti-abrasion finish, followed by a hydrophilic covering. This additionally doesn’t always indicate the multi-coated lens will perform much better than a single coated lens. Being “better” is dependent on the producer’s lens treatment technology and the quality of products used in creating the rifle optic.
About Anti-water Finishing
Water on an optical lens does not assist with maintaining a clear sight picture through a scope at all. Lots of top of the line and high-end optic manufacturers will coat their lenses with a hydrophobic or hydrophilic coating. The Steiner Optics Nano-Protection is a good example of this sort of treatment. It treats the surface area of the Steiner scope lens so the H2O particles can not bind to it or create surface tension. The result is that the water beads slide off of the scope to preserve a clear, water free sight picture.
Choices for Mounting Scopes on Long Guns
Mounting solutions for scopes can be found in a few options. There are the basic scope rings which are individually mounted to the scope and one-piece mounts which cradle the scope. These various types of mounts also normally are made in quick release versions which use throw levers which enable rifle operators to quickly install and remove the glass.
Hex Key Rifle Optic Rings
Standard, 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 two different rings to support the optic, and are made from 7075 T6 billet aluminum which is developed for long distance accuracy shooting. This type of scope mount is great for rifles which need a long lasting, sound mounting solution which will not move no matter how much the scope is moved or abused.
Quick-Release Cantilever Scope Rings
These types of quick-release rifle scope mounts can be used to rapidly connect and remove a scope from a rifle before reattaching it to a different rifle. Numerous scopes can also be switched out if they all use a similar style mount. These types of mounts are convenient for rifle platforms which are carried a lot, to remove the optic from the rifle for protecting the scope, or for optics which are used in between numerous rifles.
Info Around Rifle Optic Tube Sealing and Gas Purging
Moisture inside your rifle optic can ruin a day of shooting and your costly optic by causing fogging and producing residue inside of the scope tube. A lot of scopes prevent moisture from getting in the scope tube with a system of sealing O-rings which are water resistant.
Gas Purged Rifle Optic Tubes
Another part of preventing the accumulation of wetness within the rifle optic’s tube is filling the tube with a gas like nitrogen. Since this space is currently occupied by the gas, the scope is less altered by temp changes and pressure variations from the outdoor environment which may potentially enable water vapor to seep 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.