Description
Rifle Scope Product Details
DONGYUCHUN M2 Non-Magnification Scope with Blue Coating Metal Wire Differentiation Inner red dot Scope Shockproof and Waterproof Rifle Scope
Magnification: 1
Length: 135mm
Objective lens diameter: 30mm
Adjustment method: built-in adjustment
Differentiation material: metal wire
Fenfen line: single point
Coating method: blue film
Weight: 290g
Earthquake resistance: Yes
Nitrogen filling/waterproof and anti-fog: Yes
Rifle Scope Product Features
Magnification: 1
Length: 135mm
Objective lens diameter: 30mm
Adjustment method: built-in adjustment
Differentiation material: metal wire
About the DONGYUCHUN Scope Maker
DONGYUCHUN is a premium supplier for weapon scopes, optics, mounting solutions, and other add-ons used for firearms like rifles and long guns. They create and supply their products by using building materials which are long lasting and resilient. This includes the DONGYUCHUN M2 Non-Magnification Scope with Blue Coating Metal Wire Differentiation Inner red dot Scope Shockproof and Waterproof Rifle Scope by DONGYUCHUN. For additional shooting items, visit their site.
Rifle Optic Facts
Rifle scopes permit you to exactly aim a rifle at various targets by aligning your eye with the target at range. They do this through magnifying the target by utilizing a series of lenses within the scope. The scope’s positioning can be adjusted for consideration of varied environmental considerations like wind and elevation to account for bullet drop.
The scope’s purpose is to help shooters understand exactly where the bullet will hit based on the sight picture you are viewing using the optic as you align the scope’s crosshair or reticle with the intended target. The majority of modern-day rifle scopes and optics have about eleven parts which are located internally and externally on the scope body. These parts consist of the rifle scope’s body, lenses, windage and elevation dials or turrets, objective focus rings, and other components. Learn about the eleven parts of rifle glass.
Rifle Glass Styles
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. The kind of focal plane an optic has decides where the reticle or crosshair is located in regard to the optic’s zoom. It actually suggests the reticle is behind or ahead of the magnification lens of the scope. Deciding upon the very best type of rifle scope is based upon what sort of hunting or shooting you anticipate doing.
First Focal Plane Optics
Focal plane scopes (FFP) feature the reticle in front of the magnification lens. These styles of scopes are beneficial for:
- Quick acquisition, long distance kinds of shooting
- Shooting scenarios where computations are minor
- Experienced shooters who recognize their aim point “hold over” and also “lead” relationships for their weapon
- Shooters who do not mind the reticle is enlarged and uses up more visual eyesight room than a SFP reticle
Info About Second Focal Plane Scopes
Second focal plane optics (SFP) come with the reticle to the rear of the zoom lens. In the FFP example with the SFP scope, the 5x “zoom” one hundred yard tick reticle measurement would be 1/5th of the non “zoom” tick measurement.
- Far away forms of shooting where shooters have increased time to make ballistic estimations
- Shooting where most of the shots take place within much shorter ranges and distances
- Shooters who prefer a clearer optic picture with less area used up by the larger sized FFP reticle
Rifle Optic Magnification
The amount of scope zoom you need depends upon the kind of shooting you would like to do. Just about every kind of rifle scope supplies some degree of magnification. The volume of zoom a scope delivers is identified by the diameter, density, and curvatures of the lens glass inside of the rifle optic. The magnification of the scope is the “power” of the glass. This signifies what the shooter is aiming at through the scope is magnified times the power factor of what can typically be seen by human eyes.
Single Power Lens Scope Info
A single power rifle scope and optic uses a zoom number designator like 4×32. This means the magnification power of the scope is 4x power while the objective lens is 32mm. The zoom of this type of scope can not fluctuate since it is fixed.
Info on Variable Power Lens Glass
Variable power rifle scopes use enhanced power. The power modification is performed by using the power ring part of the scope near the rear of the scope by the eye bell.
Scope Power and Ranges
Here are some recommended scope power levels and the ranges where they may be effectively used. High power scopes will not be as effective as lower powered rifle scope glass because too much zoom can be a bad thing. The very same idea goes for longer ranges where the shooter needs to have increased power to see exactly where to best aim the rifle at the target.
Rifle Scope Lens Coating
All modern rifle scope lenses are coated. There are different types and qualities of glass lens coverings. When shopping for luxury rifle targeting setups, Lens finish can be a very important element of a rifle. The lenses are among the most crucial components of the scope due to the fact that they are what your eye looks through while sighting a rifle in on the point of impact. The covering on the lenses safeguards the lens surface as well as assists with anti glare from excess natural light and color visibility.
Details on Optic Lens Coatings – HD Versus ED
Some glass manufacturers even use “HD” or high-def glass coatings that make the most of different procedures, polarizations, components, and chemicals to draw out different color ranges and viewable target definition through lenses. This HD finishing is typically used with greater density lens glass which lowers light’s potential to refract through the lens glass. Some scope corporations use “HD” to refer to “ED” meaning extra-low dispersion glass. ED handles how colors are presented on the chroma spectrum and the chromatic aberration or difference which is similarly called color distortion or fringing. Chromatic aberration can be visible over objects with hard outlines as light hits the object from certain angles.
Info on Single Coating Versus Multi-Coating
Different optic lenses can even have various coverings applied to them. All lenses typically have at least some type of treatment or finishing applied to them before being used in a rifle scope or optic assembly. This is since the lens isn’t just a raw piece of glass. It becomes part of the finely tuned optic. It requires a coating to be applied to it so that the lens will be optimally functional in many types 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 manufacturer and how much you paid for it.
Some scope producers also make it a point to specify if their optic lenses are coated or “multi” covered. This indicates the lens has multiple treatments applied to the surfaces of the glass. If a lens gets numerous treatments, it can prove that a maker is taking several actions to fight various natural elements like an anti-glare finishing, a scratch resistant anti-abrasion finishing, followed by a hydrophilic finish. This also does not necessarily imply the multi-coated lens will perform much better than a single layered lens. Being “better” hinges on the manufacturer’s lens treatment solutions and the quality of materials used in building the rifle scope.
Anti-water Scope Lens Coating
Water on an optic’s lens doesn’t help with preserving a clear sight picture through a scope in any way. Lots of top of the line or high-end optic makers will coat their lenses with a hydrophobic or hydrophilic covering. The Steiner Optics Nano-Protection is a good example of this sort of treatment. It treats the exterior of the Steiner glass lens so the water molecules can not bind to it or develop surface tension. The result is that the water beads sheet off of the scope to preserve a clear, water free sight picture.
Alternatives for Installing Glass on Firearms
Installing approaches for scopes come in a couple of options. There are the standard scope rings which are individually mounted to the scope and one-piece scope mounts which cradle the scope. These various types of mounts also typically come in quick release versions which use manual levers which enable rifle shooters to rapidly mount and remove the scopes.
Hex Key Rifle Scope Rings
Basic, clamp-on style mounting scope rings use hex head screws to fix to the flattop style Picatinny scope mount rails on rifles. These varieties of scope mounts use two individual rings to support the scope, and are normally constructed from 7075 T6 billet aluminum or similar materials which are created for long distance accuracy shooting. This type of scope mount is excellent for rifles which require a durable, rock solid mount which will not move regardless of just how much the scope is moved about or abuse the rifle takes. These are the type of mounts you really want to have for a devoted optics system on a far away hunting or interdiction rifle that will hardly ever need to be changed or recalibrated. Blue 242 Loctite threadlocker can additionally be used on the scope mount’s screws to stop the hex screws from wiggling out after they are mounted safely in place. An example of these mounting rings are the 30mm type made by Vortex Optics. The set normally costs around $200 USD
Quick-Release Cantilever Scope Rings
These kinds of quick-release rifle scope mounts can be used to rapidly connect and detach a scope from a rifle. A wide range of scopes can also be switched out if they all use a similar designed mount. The quick detach mount style is CNC crafted from anodized 6061 T6 aluminum and the mounting levers attach securely to a flat top type Picatinny rail. This lets the scope to be sighted in while on the rifle, removed from the rifle, and remounted back on the rifle while retaining accuracy. These kinds of mounts are useful and practical for rifles which are transferred between vehicles a lot, to take off the glass from the rifle for protection, or for sight systems which are chosen for use between a number of rifles. An example of this mount style is the 30mm mount from the Vortex Optics manufacturer. It typically costs around $250 USD
Sealing and Gas Purging for Rifle Optic Tubes
Moisture inside your rifle optic can mess up a day of shooting and your highly-priced optic by resulting in fogging and generating residue inside of the scope’s tube. Many optics prevent humidity from entering the scope tube with a series of sealing O-rings which are water resistant. Usually, these water-resistant optics can be immersed under 20 or 30 feet of water before the water pressure can push moisture past the O-rings. This should be more than enough moisture prevention for common use rifles for hunting and sporting purposes, unless you intend on taking your rifle boating and are worried about the scope still functioning if it goes over the side and you can still retrieve the gun.
About Optic Tube Gas Purging
Another part of avoiding the buildup of wetness inside of the rifle scope tube is filling the tube with a gas like nitrogen. Given that this space is already occupied by the gas, the glass is less affected by temp shifts and pressure variations from the external environment which might possibly enable water vapor to permeate in around the seals to fill the vacuum which would otherwise be there. These are good qualities of a decent rifle scope to look for.










