Description
Rifle Scope Product Details
Sun Optics 30 MM Obj. 2 MOA Dot with High & Low Mount
CSH642 Features: -1″ Mono tube design.-Precise brass finger dial windage/elevation.-Precision ground, fully multi-coated optics.-102 Yd. parallax/.22 @50 yd. parallax.-Dry nitrogen filled.-Magnum tested. Specifications: -100pct Waterproof, shockproof & fog proof.
Rifle Scope Product Features
40,000 Hour Battery Life
Cast aluminum housing / Capless turrets
2 Night vision settings / 11 brightness settings
Compatible with variety of after-market mounts
ASW Guarantee
About the Sun Optics USA Manufacturer
Sun Optics USA is a premium company for weapon scopes, optics, mounts, and other accessories used for guns like rifles and long guns. They create and build their mounts, scopes, and related products by using materials which are long lasting and resilient. This includes the Sun Optics 30 MM Obj. 2 MOA Dot with High & Low Mount by Sun Optics USA. For more shooting items, visit their site.
Scope Information
Rifle scopes enable you to specifically align a rifle at various targets by aligning your eye with the target over a range. They do this through magnifying the target using a series of lenses inside the scope. The scope’s alignment can be adjusted to take into account many ecological elements like wind and elevation increases to account for bullet drop.
The scope’s function is to help shooters understand exactly where the bullet will hit based upon the sight picture you are viewing with the optic as you align the scope’s crosshair or reticle with the intended target. Many modern-day rifle scopes have about 11 parts which are arranged internally and externally on the scope. These parts consist of the rifle scope’s body, lenses, adjustment turrets, objective focus rings, and other parts. Learn about the eleven parts of scopes.
Rifle Scope Styles
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. The type of focal plane an optic has identifies where the reticle or crosshair lies in relation to the optic’s magnification. It simply suggests the reticle is situated behind or ahead of the magnification lens of the scope. Deciding on the most reliable type of rifle glass is based upon what kind of shooting you intend on doing.
First Focal Plane Glass Facts
First focal plane scopes (FFP) feature the reticle before the magnification lens. This causes the reticle to increase in size based on the level of zoom being used. The benefit is that the reticle measurements are the same at the enhanced distance as they are at the non amplified range. For instance, one tick on a mil-dot reticle at 100 yards without any “zoom” is still the very same tick at one hundred yards using 5x “zoom”. These kinds of scopes work for:
- Quick acquisition, far away types of shooting
- Shooting scenarios where computations are low
- Experienced shooters who know their aim point “hold over” as well as “lead” correlations for their weapon
- Shooters who don’t mind the reticle is bigger and requires more visual eyesight room than a SFP reticle
Info About Second Focal Plane Scopes
Second focal plane optics (SFP) feature the reticle behind the zoom lens. This triggers the reticle to remain at the very same dimensions in relation to the volume of zoom being used. The effect is that the reticle measurements alter based upon the magnification applied to shoot over lengthier distances because the reticle measurements present different increments which can vary with the zoom. In the FFP illustration with the SFP glass, the 5x “zoom” one hundred yard tick reticle measurement would be 1/5th of the non “zoom” tick reticle measurement. These sorts of scopes work for:
- Long distance styles of shooting where shooters have increased time to make ballistic computations
- Shooting where most of the shots happen within shorter proximities and ranges
- Shooters who desire a clearer optic sight picture with less room taken up by the enlarged FFP reticle
About Glass Zoom
The amount of magnification a scope provides is identified by the diameter, thickness, and curvatures of the lenses inside of the rifle scope. The zoom of the scope is the “power” of the scope.
Info About Single Power Lens Optics
A single power rifle optic and scope will have 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 zoom of this type of scope can not adjust given that it is a fixed power optic.
Variable Power Lens Scope Info
Variable power rifle scopes have adjustable power. It will note the magnification amount in a configuration like 2-10×32. These numbers imply the magnification of the scope could be set in between 2x and 10x power. This additionally involves the powers in-between 2 and 10. The power manipulation is accomplished by operating the power ring part of the scope near the rear of the scope by the eye bell piece.
The Power and Range of Glass
Here are some recommended scope power settings and the distances where they could be efficiently used. High power optics will not be as efficient as lower magnification rifle scope glass because too much magnification can be a bad thing. The exact same idea relates to extended ranges where the shooter needs to have sufficient power to see precisely where to properly aim the rifle at the target.
Details on Rifle Glass Lens Coatings
All contemporary rifle optic and scope lenses are covered. Lens covering can be an important element of a rifle when looking into high end rifle optics and scope equipment.
HD Versus ED Lens Coatings
Some rifle glass companies even use “HD” or high-def lens finishes which apply different procedures, polarizations, elements, and chemicals to draw out numerous color ranges and viewable target visibility through the lens. This high-def finishing is often used with increased density lens glass which brings down light’s capability to refract by means of the lens glass. Some scope brands use “HD” to describe “ED” meaning extra-low dispersion glass. ED deals with how colors are presented on the chroma spectrum and the chromatic aberration or deviance which is similarly called color distortion or fringing. Chromatic aberration may be visible around things with hard shapes as light hits the object from certain angles.
Single Covering Versus Multi-Coating
Various optic lenses can also have different finishings applied to them. All lenses usually have at least some type of treatment or covering applied to them prior to being used in a rifle scope or optic.
Single coated lenses have a treatment applied to them which is usually a protective and boosting multi-purpose treatment. This lens treatment can shield the lens from scratches while reducing glare and other less helpful things experienced in the shooting environment while sighting in with the optic. The quality of a single covered lens depends upon the scope company and just how much you spent paying for it. Both are signs of the lens quality.
Some scope makers similarly make it a point to specify if their optic lenses are layered or “multi” covered. Being “better” depends on the maker’s lens treatment innovation and the quality of products used in building the rifle scope.
About Hydrophobic Finishing
Water on a scope lens doesn’t improve retaining a clear sight picture through a scope whatsoever. Many top of the line and premium optic manufacturers will coat their lenses with a hydrophobic or hydrophilic finishing. The Steiner Optics Nano-Protection is a good example of this type of treatment. It deals with the exterior surfaces of the Steiner scope lens so the H2O molecules can not bind to it or produce surface tension. The result is that the water beads slide off of the scope to preserve a clear, water free sight picture.
Rifle Scope Installation Choices
Mounting options for scopes are available in a couple of options. There are the standard scope rings which are separately installed to the optic and one-piece scope mounts which cradle the scope. These various kinds of mounts also typically can be found in quick release versions which use toss levers which permit rifle shooters to quickly install and dismount the scopes.
Hex Key Scope Ring Mounting Solutions
Standard, clamp style mounting scope rings use hex head screws to mount to the flattop style Picatinny scope installation 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 install is great for rifles which need a resilient, sound mounting solution which will not move no matter how much the scope is moved or abused.
Optic Mounts with Quick-Release Cantilever Rings
These types of quick-release rifle scope mounts can be used to rapidly connect and take off a scope from a rifle. If they all use a comparable style mount, several scopes can also be switched in the field. The quick detach design is CNC crafted from anodized 6061 T6 aluminum and the mounting levers connect nicely to a flat top style Picatinny rail. This lets the scope to be sighted in while on the rifle, taken off of the rifle, and remounted back on the rifle while keeping precision. These kinds of mounts are useful and handy for shooting platforms which are transferred between vehicles a lot, to take off the optic from the rifle for protection, or for scopes which are chosen for use between a number of rifles. An example of this mount type is the 30mm mount from Vortex Optics. It normally costs around $250 USD
Info Around Optic Tube Sealing and Gas Purging
Wetness inside your rifle optic can wreck a day on the range and your highly-priced optic by causing fogging and developing residue inside of the scope’s tube. A lot of optics prevent humidity from going into the scope tube with a series of sealing O-rings which are waterproof. Normally, these water resistant scopes can be immersed within 20 or 30 feet of water before the water pressure can push moisture past the O-rings. This should be more than enough wetness prevention for basic use rifles, unless you anticipate taking your rifle sailing and are worried about the optic still functioning if it is submerged in water and you can still salvage the gun.
Gas Purged Rifle Scope Tubes
Another part of avoiding the accumulation of wetness inside of the rifle optic tube is filling the tube with a gas like nitrogen. Since this space is currently taken up by the gas, the optic is less altered by temp alterations and pressure distinctions from the outside environment which might potentially allow water vapor to seep in around the seals to fill the void which would otherwise exist. These are good qualities of a decent rifle scope to look for.
