Description
Rifle Scope Product Details
JHK 3-4MOA Micro Red Dot Sight, 3-4 MOA Thick & Durable Oil Resistant & Waterproof Sturdy Rubber Material Protective Mat for Gun Accessories
What’s In The Box
1 X Red Dot Sight
1 X Riser Mount
1 X Rubber Bikini Cover
1 X CR2032 Battery
1 X Allen Wrench
Rifle Scope Product Features
Fully Multi-coated Lens: The Red Dot Sight With Fully Multi-coated Lenses Provide A Clean And Bright, Unobscured Point Of View And Enhance Image Clarity And Increases Light Transmission During Low Light Situations.
High Performance Design: Made Of Rugged 6063 Aluminum Structure With Fully Multi-coated Lens,the Red Dot Sight Is Fogproof With Nitrogen Gas Purged And O-ring Seals, Waterproof In 30cm For 30mins, And Shockproof Passing Strict Machine Test.
Easy To Install And Adjust: The Integration Structural Design Is Compact And Lightweight, Coming With 20mm Picatinny Rail Mount For Easy Installation. Tool-free Windage And Elevation Adjustment With Integrated Screwdriver On W/E Caps. Just 1 Battery Operates The Lazer And The Red Dot.
2 HEIGHT MOUNT OPTIONS:Micro Rifle Gun Sights Offers Two Height Options (Low And Lower 1/3 Co-Witness), Lending Its Functionality On Any Platform.
Digital Red Dot Adjustable Brightness: With Digital Push-button 6 Brightness Settings, The Reflex Sight Is Bright And Easy To Use In Bright Sunlight And Low-light Conditions, Simply Pushing The Button To Turn It On And Holding The Button For 3 Seconds To Turn It Off.
About the JHK Brand
JHK is a premium company for long gun scopes, optics, mounts, and other add-ons used for firearms like rifles and long guns. They create and supply their products using materials which are durable and long lasting. This includes the JHK 3-4MOA Micro Red Dot Sight, 3-4 MOA Thick & Durable Oil Resistant & Waterproof Sturdy Rubber Material Protective Mat for Gun Accessories by JHK. For additional shooting items, visit their site.
Glass Info
Rifle scopes permit you to specifically align a rifle at various targets by aligning your eye with the target at range. They do this through zoom by making use of a set of lenses inside the scope. The scope’s alignment can be adapted to take into account numerous ecological elements like wind and elevation increases to account for bullet drop.
The scope’s purpose is to help shooters understand exactly where the bullet will hit based upon the sight picture you are seeing using the optic as you line up the scope’s crosshair or reticle with the target. A lot of contemporary rifle scopes and optics have about eleven parts which are found within and on the exterior of the optic. These optic pieces include the rifle scope’s body, lenses, windage and elevation dials, objective focus rings, and other elements. Learn about the eleven parts of optics.
Rifle Glass Types
Rifle scopes can be either “first focal plane” or “second focal plane” kind of scopes. The sort of focal plane an optic has decides where the reticle or crosshair is located in connection with the optic’s zoom. It actually implies the reticle is situated behind or ahead of the magnification lens of the optic. Picking out the very best sort of rifle optic depends on what variety of shooting or hunting you plan on undertaking.
Info About First Focal Plane Glass
First focal plane optics (FFP) include the reticle ahead of the zoom lens. This triggers the reticle to increase in size based on 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 instance, one tick on a mil-dot reticle at one hundred yards without “zoom” is still the very same tick at one hundred yards using 5x “zoom”. These kinds of scopes work for:
- Quick acquisition, long distance kinds of shooting
- Shooting scenarios where calculations are minor
- Experienced shooters who know their target “hold over” and “lead” ratios for their long gun
- Shooters who do not mind the reticle is enlarged and occupies more visual eyesight area than a SFP reticle
Second Focal Plane Scope Facts
Second focal plane scopes (SFP) come with the reticle behind the magnification lens. This induces the reticle to stay at the exact same size in connection with the amount of zoom being used. The final result is that the reticle measurements adapt based upon the zoom chosen to shoot over greater distances considering that the reticle markings represent different increments which fluctuate with the magnification. In the FFP illustration with the SFP scope, the 5x “zoom” 100 yard tick reticle measurement would be 1/5th of the non “zoom” tick measurement. These particular varieties of optics are convenient for:
- Long distance forms of shooting where shooters have more time to make ballistic computations
- Shooting where most of the shots occur within shorter proximities and ranges
- Shooters who want a clearer optic sight picture with less space taken up by the bigger FFP reticle
About Optic Zoom
The extent of scope magnification you need on your scope depends upon the type of shooting you plan to do. Virtually every type of rifle scope offers some level of zoom. The amount of magnification a scope gives is identified by the size, thickness, and curves of the lens glass within the rifle optic. The magnification of the scope is the “power” of the opic. This implies what the shooter is checking out through the scope is magnified times the power factor of what can usually be seen by human eyes.
Single Power Lens Rifle Optics
A single power rifle optic or scope 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 magnification of this type of scope can not change considering that it is a fixed power scope.
Variable Power Lens Rifle Scope Details
Variable power rifle scopes have adjustable power. It will note the zoom degree in a format like 2-10×32. These numbers indicate the magnification of the scope can be adjusted between 2x and 10x power. This always incorporates the power levels in-between 2 and 10. The power manipulation is achieved by operating the power ring part of the scope near the back of the scope by the eye bell.
The Power and Range Correlation of Scopes
Here are some recommended scope power settings and the distances where they could be successfully used. Keep in mind that higher magnification optics and scopes will not be as practical as lower powered scopes because excessive magnification can be a negative thing in certain situations. The same concept applies to extended distances where the shooter needs to have sufficient power to see precisely where to best aim the rifle.
Rifle Optic Lens Covering
All current rifle scope and optic lenses are covered. Lens covering can be a vital element of a rifle when considering high end rifle optics and scope systems.
HD Versus ED Glass Lens Coatings
Some rifle scope makers additionally use “HD” or high-def lense coverings that use different processes, chemicals, polarizations, and components to enhance various color ranges and viewable target definition through the lens. This high-def coating is typically used with greater density glass which drops light’s potential to refract through the lens glass. Some scope producers use “HD” to refer to “ED” indicating extra-low dispersion glass. ED deals with how colors are presented on the chroma spectrum and the chromatic deviance or aberration which is also called color distortion or fringing. Chromatic aberration can be noticeable around things with hard shapes as light hits the object from various angles.
Rifle Optic Lens Single Finishing 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 coating applied to them before being used in a rifle scope or optic.
This lens treatment can offer protection to the lens from scratches while reducing glare and other less beneficial 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 manufacturers likewise make it a point to specify if their optic lenses are layered or “multi” covered. This indicates the lens has had several treatments applied to the surfaces. If a lens receives several treatments, it can prove that a company is taking several actions to fight various natural aspects like an anti-glare finish, a scratch resistant anti-abrasion coating, followed by a hydrophilic covering. This also does not always imply the multi-coated lens will perform much better than a single covered lens. Being “much better” hinges on the maker’s lens treatment technology and the quality of glass used in developing the rifle scope.
Anti-water Lens Coatings
Water on an optic’s lens doesn’t help with preserving a clear sight picture through an optic at all. Many top of the line and high-end scope manufacturers will coat their lenses with a hydrophilic or hydrophobic coating. The Steiner Optics Nano-Protection is a good example of this type of treatment. It deals with the surface area of the Steiner scope lens so the H2O particles 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.
Choices for Mounting Glass on Long Guns
Installing approaches for scopes come in a couple of choices. There are the standard scope rings which are individually mounted to the optic and one-piece scope mounts which cradle the scope. These various types of mounts also typically are made in quick release versions which use throw levers which permit rifle shooters to quickly mount and dismount the glass.
Hex Key Rifle Scope Ring Mounts
Standard, clamp-on style mounting scope rings use hex head screws to install to the flattop design Picatinny scope mount rails on the tops of rifles. These styles of scope mounts use a pair of independent rings to support the optic, and are normally made from 7075 T6 billet aluminum which are developed for far away precision shooting. This form of scope mount is ideal for rifles which need a long lasting, hard use mount which will not change regardless of just how much the scope is moved about or jarring the rifle takes. These are the style of mounts you really want to have for a devoted optics setup on a reach out and touch someone hunting or sniper competition firearm that will seldom need to be modified or recalibrated. Blue 242 Loctite threadlocker can additionally be used on the mount screws to keep the hex screws from backing out after they are installed firmly in position. An example of these mounting rings are the 30mm type made by Vortex Optics. The set generally costs around $200 USD
Quick-Release Cantilever Rifle Scope Ring Mounts
These types of quick-release rifle scope mounts can be used to rapidly connect and remove a scope from a rifle. Multiple scopes can also be switched out if they all use a similar designed mount. The quick detach design is CNC crafted from anodized 6061 T6 aluminum and the mounting levers attach nicely to a flat top style Picatinny rail. This allows the scope to be sighted in while on the rifle, taken off of the rifle, and remounted while keeping the original sighting settings. These types of mounts come in handy for shooting platforms which are carried a lot, to remove the glass from the rifle for protection, or for scopes which are adopted in between a number of rifles. An example of this mount style is the 30mm mount designed by the Vortex Optics brand. It normally costs around $250 USD
What to Know About Scope Tube Sealing and Gas Purging
Moisture inside your rifle scope can spoil a day of shooting and your costly optic by causing fogging and generating residue inside of the scope tube. The majority of scopes protect against humidity from getting in the optical tube with a system of sealing O-rings which are water resistant. Typically, these optics can be immersed underneath 20 or 30 feet of water before the water pressure can force moisture past the O-rings. This should be ample moisture avoidance for conventional use rifles, unless you plan on taking your rifle on your motorboat and are concerned about the optic still functioning if it goes over the side and you can still salvage the gun.
Details on Rifle Glass Tube Gas Purging
Another component of avoiding the accumulation of moisture within the rifle scope tube is filling the tube with a gas like nitrogen. Considering that this space is currently occupied by the gas, the scope is less altered by temperature changes and pressure distinctions from the outside environment which may possibly allow water vapor to leak in around the seals to fill the void which would otherwise be there. These are good qualities of a good rifle scope to look for.
