Description
Rifle Scope Product Details
JHK 3-4 MOA Compact Red Dot Scope, 4 MOA Micro Red Dot Gun Sight Rifle Scope with 1 Inch Riser Mount
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
Accurate Incredibly Fast Target Acquisition With The Parallax Correct Design. Holds Zero Even After Thousand Of Shots.
Anti-Reflective Coated Increased Light Transmission With Multiple Anti-reflective Coatings On All Air-to-glass Surfaces. Unlimited Eye Relief For Rapid Target Acquisition.
Waterproof & Fog-proof – Red Dot Sight Was Nitrogen Purged And O-ring Sealed. Fully Waterproof With Sealed Housing.
11 Brightness 2-3 MOA Red Dot Sight Provides 11 Illumination Settings (9 Daylight Plus 2 NV) For Visibility In All Light Conditions.
Riser Mount – This Red Dot Scope Includes A .83″ Riser Which Was Engineered To Co-witness Perfectly With Iron Sights. The Low And Rizer Mount Provide Versatility For This Lightweight Optic.
About the JHK Scope Maker
JHK is a premium producer for rifle scopes, optics, mounting solutions, and other accessories used for firearms like rifles and long guns. They innovate and supply their mounts and related products by making the most of materials which are durable and long lasting. This includes the JHK 3-4 MOA Compact Red Dot Scope, 4 MOA Micro Red Dot Gun Sight Rifle Scope with 1 Inch Riser Mount by JHK. For more shooting products, visit their site.
Rifle Glass Details
Rifle scopes permit you to exactly align a rifle at various targets by lining up your eye with the target over a distance. They do this through zoom by utilizing a set of lenses within the scope. The scope’s alignment can be adjusted to account for varied environmental factors like wind and elevation decreases to account for bullet drop.
The scope’s function is to help the shooter understand precisely where the bullet will land based on the sight picture you are seeing through the scope as you line up the scope’s crosshair or reticle with the target. Most contemporary rifle scopes have around eleven parts which are located within and outside of the optic. These scope parts consist of the rifle scope’s body, lenses, modification turrets or dials, focus rings, and other components. Learn about the eleven parts of scopes.
The Types of Rifle Scopes
Rifle scopes can be either “first focal plane” or “second focal plane” kind of scopes. The type of focal plane a scope has establishes where the reticle or crosshair is located relative to the scopes magnification. It literally suggests the reticle is located behind or ahead of the magnifying lens of the optic. Picking the most effective sort of rifle glass is based on what kind of hunting or shooting you intend on doing.
First Focal Plane Scopes
Focal plane scopes (FFP) include the reticle in front of the zoom lens. These types of scopes are useful for:
- Quick acquisition, long distance kinds of shooting
- Shooting scenarios where calculations are minor
- Experienced shooters who understand their aim point “hold over” and also “lead” ratios for their long guns
- Shooters who don’t mind the reticle is enlarged and uses up more visual sight space than a SFP reticle
About Second Focal Plane Optics
Second focal plane glass (SFP) feature the reticle to the rear of the zoom lens. This induces the reticle to stay at the exact same size in connection with the volume of magnification being used. The result is that the reticle dimensions adapt based upon the zoom used to shoot over longer distances due to the fact that the reticle markings represent distinct increments which differ with the zoom level. In the FFP illustration with the SFP glass, the 5x “zoom” 100 yard tick measurement would be 1/5th of the non “zoom” tick. These particular sorts of optics work for:
- Far away types of shooting where shooters have additional time to make ballistic calculations
- Shooting where most shots occur within shorter spaces and ranges
- Shooters who desire a clearer optic picture without area taken up by the larger sized FFP reticle
Glass Magnification
The amount of zoom a scope supplies is determined by the size, density, and curvatures of the lenses inside of the rifle scope. The zoom of the scope is the “power” of the scope.
Fixed Single Power Lens Optics
A single power rifle optic or scope comes with a zoom number designator like 4×32. This implies the magnification power of the scope is 4x power while the objective lens is 32mm. The zoom of this kind of scope can not fluctuate because it is a fixed power scope.
Variable Power Lens Rifle Scopes
Variable power rifle scopes use enhanced power. The power modification is performed using the power ring part of the scope near the back of the scope by the eye bell.
Power Levels and Range Correlations
Here are some advised scope powers and the ranges where they may be efficiently used. Remember that higher power scopes will not be as effective as lower magnification level glass due to the fact that increased zoom can be a detractor. The same relates to extended distances where the shooter needs to have adequate power to see exactly where to best aim the rifle.
About Lens Coating
All top teir rifle scope and optic lenses are coated. Lens finishing can be a crucial element of a rifle when looking into high end rifle optics and scope setups.
Details on Lens Coatings – HD Versus ED
Some scope manufacturers also use “HD” or high-definition lens coatings which use various techniques, elements, chemicals, and polarizations to draw out various colors and viewable definition through the lens. Some scope manufacturers use “HD” to refer to “ED” implying extra-low dispersion glass.
Single Rifle Scope Lens Finish Versus Multi-Coating
Different optic lenses can even have various finishes applied to them. All lenses typically have at least some kind of treatment or coating applied to them prior to being used in a rifle scope or optic assembly. Due to the fact that the lens isn’t simply a raw piece of glass, they require performance enhancing coatings. It becomes part of the carefully tuned optic. It requires a coating to be applied to it so that it will be efficiently functional in numerous kinds of environments, degrees of sunshine (full VS shade), and other shooting conditions.
This lens treatment can safeguard the lens from scratches while lowering glare and other less advantageous things experienced in the shooting environment while sighting in with the scope. The quality of a single coated lens depends on the scope manufacturer and how much you paid for it.
Some scope makers similarly make it a point to define if their optic lenses are layered or “multi” covered. Being “much better” depends on the producer’s lens treatment technology and the quality of materials used in building the rifle scope.
Hydrophobic Glass Lens Finishing
Water on a lens doesn’t help with preserving a clear sight picture through a scope at all. Lots of top of the line and high-end optic companies will coat their lenses with a hydrophilic or hydrophobic covering.
Rifle Glass Mounting Alternatives
Installing options for scopes come in a few options. There are the basic scope rings which are separately installed to the scope and one-piece scope mounts which cradle the scope. These different kinds of mounts also typically come in quick release variations which use manual levers which permit rifle operators to quickly install and dismount the optics.
Hex Key Glass Ring Mounts
Normal, clamp design 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 are created for long range accuracy shooting. This type of scope install is perfect for rifles which require a durable, sound mount which will not move no matter how much the scope is moved or abused.
Rifle Optic Mounts with Quick-Release Cantilever Rings
These types of quick-release rifle scope mounts can be used to quickly connect and remove a scope from a rifle before reattaching it to a different rifle. Multiple scopes can also be switched out if they all use a similar design mount. These types of mounts come in handy for long guns which are carried a lot, to swap out the optic from the rifle for protection, or for optics which are used between several rifles or are situationally focused.
Glass Tube Sealing and Gas Purging
Wetness inside your rifle optic can spoil a day on the range and your pricey optic by causing fogging and generating residue inside of the scope’s tube. Most scopes prevent moisture from going into the optical tube with a system of sealing O-rings which are waterproof. Typically, these water-resistant 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 more than enough moisture content avoidance for common use rifles, unless you intend on taking your rifle on boats and are concerned about the optic still working if it is submerged in water and you can still rescue the firearm.
What to Know About Rifle Optic Tube Gas Purging
Another component of avoiding the buildup of wetness within the rifle scope’s tube is filling the tube with a gas like nitrogen. Considering that this area is already occupied by the gas, the scope is less impacted by temperature changes and pressure differences from the outside environment which might potentially enable water vapor to seep in around the seals to fill the void which would otherwise exist. These are good qualities of a good rifle scope to seek out.
