Description
Rifle Scope Product Details
DJym HD Silver Film Without Magnification, Red Dot Sight Shockproof Waterproof Stable Sight
Model: HD22M1AJ
Magnification: 1 time
Weight: 130g
Length: 70mm
Objective lens diameter: 30mm
Adjustment method: built-in adjustment
Differentiation line: single point
Differentiation material: wire
Coating method: silver film
Earthquake resistance or not: yes
Nitrogen filling or not / waterproof and anti-fog: yes
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Rifle Scope Product Features
Excellent seismic performance, will not shake.
Nitrogen filling, waterproof and anti-fog, water vapor will not obscure the sight and will not corrode.
There is no magnification of the scope, allowing you to respond quickly.
HD silver film, let you observe the field of vision more clearly.
Quality assurance, our products are CE and RoHS certified, if you have any questions, we will reply you within 24 hours
About the DJym Company
DJym is a premium company for weapon scopes, optics, mounts, and other components used for firearms like rifles and long guns. They create and manufacture their mounts and related products choosing materials which are resilient and long lasting. This includes the DJym HD Silver Film Without Magnification, Red Dot Sight Shockproof Waterproof Stable Sight by DJym. For more shooting goods, visit their website.
What You Need to Know About Scopes
Rifle scopes enable you to exactly align a rifle at various targets by aligning your eye with the target over a distance. They accomplish this through zoom by employing a set of lenses inside the scope. The scope’s alignment can be dialed in for consideration of various ecological things like wind speed and elevation increases to make up for bullet drop.
The scope’s function is to help shooters understand exactly where the bullet will land based on the sight picture you are seeing via the scope as you line up the scope’s crosshair or reticle with the intended point of impact. A lot of contemporary rifle scopes have about eleven parts which are found inside and externally on the scope body. These optic pieces consist of the rifle scope’s body, lenses, modification dials, focus rings, and other parts. See all eleven parts of an optic.
The Styles of Rifle Scopes
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. Deciding on the finest type of rifle optic is based around what type of shooting you plan on doing.
About First Focal Plane Optics
Focal plane scopes (FFP) include the reticle in front of the magnification lens. These kinds of scopes are useful for:
- Quick acquisition, long distance types of shooting
- Shooting circumstances where computations are very little
- Experienced shooters who recognize their aim point “hold over” and “lead” relationships for their long guns
- Shooters who don’t mind the reticle is bigger and requires more visual eyesight area than a SFP reticle
About Second Focal Plane Glass
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 would be 1/5th of the non “zoom” tick.
- Far away forms of shooting where shooters have increased time to make ballistic calculations
- Shooting where most shots happen within much shorter ranges and distances
- Shooters who choose a clearer optic sight picture without room taken up by the enlarged FFP reticle
Zoom for Scopes
The level of scope zoom you need on your glass is based on the sort of shooting you choose to do. Nearly every style of rifle glass offers some amount of magnification. The level of magnification a scope gives is identified by the size, density, and curves of the lenses within the rifle scope. The magnification of the scope is the “power” of the scope. This means what the shooter is aiming at through the scope is amplified times the power aspect of what can typically be seen by human eyes.
About Fixed Single Power Lens Rifle Optics
A single power rifle optic and scope uses a magnification 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 type of optic can not change considering that it is a fixed power optic.
Info About Adjustable Power Lens Optics
Variable power rifle scopes can be adjusted between magnification power levels. It will list the zoom degree in a configuration like 2-10×32. These numbers imply the zoom of the scope could be set in between 2x and 10x power. This always involves the powers in-between 2 and 10. The power adjustment is achieved by working with the power ring part of the scope near the rear of the scope by the eye bell piece.
The Power and Range Correlation of Optics
Here are some suggested scope power settings and the distances where they can be successfully used. High power scopes will not be as effective as lower magnification glass given that too much zoom can be a negative aspect depending on your shooting distance. The exact same idea applies to longer ranges where the shooter needs adequate power to see exactly where to properly aim the rifle at the target.
Optic Lens Finishing
All contemporary rifle scope and optic lenses are coated. There are different types and qualities of lens coatings. Lens covering can be an essential aspect of a rifle’s setup when looking into high end rifle optics and targeting equipment. The lenses are among the most crucial parts of the scope as they are what your eye looks through while sighting a rifle in on the point of impact. The coating on the lenses shields the lens surface area as well as assists with anti glare from excess light and color profiles.
HD Versus ED Rifle Optic Lens Coatings
Some optic makers also use “HD” or high-definition lense finishes which make the most of different processes, chemical applications, polarizations, and aspects to enhance numerous colors and viewable target visibility through lenses. This HD coating is often used with higher density glass which lowers light’s opportunity to refract by means of the lens glass. Some scope producers use “HD” to refer to “ED” meaning extra-low dispersion glass. ED deals with how colors are presented on the chromatic spectrum and the chromatic aberration or difference which is similarly called color distortion or fringing. Chromatic aberration may be visible around objects with defined outlines as light hits the object from various angles.
Single Rifle Glass Lens Covering Versus Multi-Coating
Different optic lenses can also have various coverings applied to them. All lenses normally have at least some type of treatment or finish used to them before they are used in a rifle scope or optic.
This lens treatment can offer protection to the lens from scratches while minimizing glare and other less useful things experienced in the shooting environment while sighting in with the scope. The quality of a single layered lens depends on the scope maker and how much you paid for it.
Some scope producers likewise make it a point to specify if their optic lenses are covered or “multi” coated. This indicates the lens has had numerous treatments applied to them. If a lens gets multiple treatments, it can indicate that a company is taking several steps to fight different environmental factors like an anti-glare covering, a scratch resistant anti-abrasion finishing, followed by a hydrophilic coating. This also does not necessarily indicate the multi-coated lens will perform better than a single coated lens. Being “much better” depends on the producer’s lens treatment technology and the quality of materials used in developing the rifle scope.
Hydrophobic Lens Coatings
Water on a lens does not help with preserving a clear sight picture through a scope at all. Many top of the line and military grade scope companies will coat their lenses with a hydrophilic or hydrophobic finishing.
Alternatives for Mounting Rifle Optics on Long Guns
Mounting approaches for scopes are available in a couple of options. There are the standard scope rings which are separately installed to the scope and one-piece mounts which cradle the scope. These different kinds of mounts also generally come in quick release variations which use toss levers which allow rifle operators to quickly mount and remove the scope.
Rifle Scope Mounting Solutions with Hex Key Rings
Standard, clamp type mounting optic rings use hex head screws to install to the flattop style Picatinny scope mounting rails on rifles. These styles of scope mounts use two detached rings to support the scope, and are usually constructed from 7075 T6 billet aluminum which are created for long distance precision shooting. This form of scope mount is effective for rifle systems which need to have a durable, rock solid mount which will not shift despite just how much the scope is moved about or abuse the rifle takes. These are the style of mounts you want for a dedicated optics setup on a long distance scouting or interdiction firearm which will seldom need to be changed or adjusted. Blue 242 Loctite threadlocker can also be used on the mount screws to stop the hex screws from backing out after they are mounted safely in position. An example of these mounting rings are the 30mm type made by the Vortex Optics brand. The set typically costs around $200 USD
Rifle Glass Mounts with Quick-Release Cantilever Rings
These types of quick-release rifle scope mounts can be used to rapidly detach a scope from a rifle and reattach it to a different rifle. If they all use a similar design mount, several scopes can also be switched out on the range. The quick detach mount style is CNC machined from anodized 6061 T6 aluminum and the mounting levers fasten tightly 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 while retaining precision. These kinds of mounts are useful and handy for rifles which are transported a lot, to take off the scope glass from the rifle for protection, or for optics which are employed in between a number of rifles. An example of this mount style is the 30mm mount from the Vortex Optics brand. It generally costs around $250 USD
Info Around Scope Tube Sealing and Gas Purging
Wetness inside your rifle scope can destroy a day of shooting and your costly optic by bringing about fogging and producing residue inside of the scope tube. A lot of scopes avoid moisture from going into the scope tube with a system of sealing O-rings which are water resistant.
Gas Purged Rifle Glass Tubes
Another element of preventing the accumulation of moisture inside of the rifle scope’s tube is filling the tube with a gas like nitrogen. Considering that this space is currently taken up by the gas, the glass is less impacted by temperature alterations and pressure distinctions from the external environment which might 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 look for.
