Description
Rifle Scope Product Details
DJym 4×32 AOCG Optical HD Sight Waterproof Shockproof Fiber Optic Sight
Objective lens diameter: 32mm
Bullet Drop Compensator: yes
Scope length: about 5.80 inches
Reticle Pattern: Crosshair
Night Reticle Color: Black
Eye Relief: 1.5
Up to 600 meter 5.56/.223 Red illuminated (at day light only) BDC reticle
Housing Material: Aluminum
20mm mounting
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Rifle Scope Product Features
Nitrogen filling, waterproof and anti-fog, reducing water vapor and water erosion.
100% brand new, no battery required, with fiber optic (red).
4 times magnification, aiming is very stable.
Anti-seismic, easy to adapt to the outdoor environment, stable, will not loose.
Quality assurance, our products are CE and RoHS certified, if you have any questions, we will reply you within 24 hours
About the DJym Manufacturer
DJym is a premium maker for rifle scopes, optics, mounts, and other add-ons used for guns like rifles and long guns. They create and make their scopes and related products using building materials which are long lasting and resilient. This includes the DJym 4×32 AOCG Optical HD Sight Waterproof Shockproof Fiber Optic Sight by DJym. For more shooting items, visit their website.
Rifle Scope Information
Rifle scopes permit you to precisely align a rifle at different targets by lining up your eye with the target over a range. They accomplish this through magnification using a series of lenses inside the scope. The scope’s alignment can be adapted for the consideration of various ecological considerations like wind speed and elevation increases or decreases to account for bullet drop.
The scope’s purpose is to help shooters understand exactly where the bullet will land based upon the sight picture you are seeing through the optic as you line up the scope’s crosshair or reticle with the intended target. Many modern-day rifle scopes have about 11 parts which are arranged inside and on the exterior of the optic. These parts include the rifle scope’s body, lenses, windage turrets or dials, objective focus rings, and other elements. Learn about the eleven parts of rifle glass.
Rifle Scope Types
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. Considering the finest type of rifle scope is based around what type of shooting you plan to do.
Info About First Focal Plane Optics
Focal plane scopes (FFP) feature the reticle in front of the magnification lens. These kinds of scopes are useful for:
- Quick acquisition, far away kinds of shooting
- Shooting situations where estimations are low
- Experienced shooters who know their aim point “hold over” plus “lead” relationships for their long guns
- Shooters who don’t mind the reticle is bigger and uses up more visual sight area than a SFP reticle
Second Focal Plane Glass Details
Second focal plane optics (SFP) include the reticle to the rear of the magnification 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 reticle measurement.
- Long distance forms of shooting where shooters have additional time to make ballistic computations
- Shooting where most of the shots happen within shorter distances and ranges
- Shooters who like a clearer optic sight picture without room used up by the bigger FFP reticle
Rifle Optic Zoom
The amount of scope zoom you need on your scope depends on the kind of shooting you plan to do. Practically every style of rifle scope gives some degree of zoom. The amount of zoom a scope gives is established by the diameter, density, and curves of the lens glass within the rifle optic. The zoom of the optic is the “power” of the opic. This indicates what the shooter is checking out through the scope is amplified times the power aspect of what can normally be seen by human eyes.
Fixed Power Lens Glass Details
A single power rifle scope will have a zoom number designator like 4×32. This implies the magnification power of the scope is 4x power and the objective lens is 32mm. The zoom of this kind of scope can not adjust given that it is a fixed power scope.
Adjustable Power Lens Rifle Scope Info
Variable power rifle scopes have adjustable power. These types of scopes will note the zoom amount in a format like 2-10×32. These numbers indicate the magnification of the scope can be adjusted between 2x and 10x power. This also incorporates the powers in-between 2 and 10. The power adjustment is achieved using the power ring part of the scope near the back of the scope by the eye bell.
The Power Level and Range of Glass
Here are some suggested scope power settings and the ranges where they can be successfully used. Highly magnified rifle scope glass will not be as useful as lower magnification level glass since too much zoom can be a bad thing. The exact same concept relates to extended ranges where the shooter needs to have increased power to see exactly where to properly aim the rifle.
About Scope Lens Coating
All modern-day rifle glass lenses are covered. Lens finish is an important element of a shooting platform when considering high end rifle optics and scope systems.
ED Versus HD Rifle Optics
Some scope makers even use “HD” or high-definition lense finishes which employ various processes, chemical applications, polarizations, and elements to draw out numerous colors and viewable target visibility through lenses. This high-def covering is normally used with higher density glass which decreases light’s potential to refract by means of the lens glass. Some scope makers use “HD” to refer to “ED” suggesting 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 is often visible over items with hard edges and shapes as light hits the item from specific angles.
Single Scope Lens Covering Versus Multi-Coating
Various optic lenses can also have various finishings applied to them. All lenses normally have at least some type of treatment or finish used to them before being used in a rifle scope or optic.
Single coated lenses have a treatment applied to them which is generally a protective and improving multi-purpose treatment. This lens treatment can preserve the lens from scratches while reducing glare and other less beneficial things experienced in the shooting environment while sighting in with the optic. The quality of a single coated lens depends upon the scope designer and how much money you paid for it. Both are indications of the lens quality.
Some scope producers also make it a point to define if their optic lenses are layered or “multi” coated. Being “much better” depends on the manufacturer’s lens treatment innovation and the quality of materials used in building the rifle scope.
Anti-water Rifle Scope Lens Finish
Water on a scope’s lens doesn’t improve retaining a clear sight picture through a scope in any way. Numerous top of the line and high-end scope manufacturers will coat their lenses with a hydrophilic or hydrophobic finishing. The Steiner Optics Nano-Protection is a good example of this sort of treatment. It provides protection for the surface of the Steiner optic lens so the H2O molecules can not bind to it or produce surface tension. The outcome is that the water beads roll off of the scope to preserve a clear, water free sight picture.
Options for Mounting Rifle Scopes on Firearms
Mounting options for scopes are available in a few choices. 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 generally can be found in quick release versions which use toss levers which allow rifle shooters to quickly install and dismount the scope.
Hex Key Rifle Optic Ring Mounts
Basic, clamp design mounting scope rings use hex head screws to fix to the flattop design Picatinny scope mount rails on the tops of rifles. These styles of scope mounts use two individual rings to support the optic, and are normally made from 7075 T6 billet aluminum or similar materials which are made for far away accuracy shooting. This type of scope mount is effective for rifles which require a long lasting, hard use mount which will not change despite how much the scope is moved about or jarring the rifle takes. These are the type of mounts you should get for a specialized optics system on a far away hunting or tournament firearm that will hardly ever need to be modified or adjusted. Blue 242 Loctite threadlocker can also be used on the mount’s screws to protect against the hex screws from wiggling out after they are installed securely in place. An example of these rings are the 30mm type from the Vortex Optics brand. The set generally costs around $200 USD
Rifle Optic Mounts with Quick-Release Cantilever Rings
These types of quick-release rifle scope mounts can be used to rapidly detach a scope and connect it to a different rifle. Several scopes can even be switched out if they all use a compatible design mount. These types of mounts are convenient for long guns which are carried a lot, to remove the optic from the rifle for protecting the scope, or for scopes which are used between numerous rifles or are situationally focused.
Sealing and Gas Purging for Glass Tubes
Moisture inside your rifle optic can ruin a day on the range and your pricey optic by resulting in fogging and developing residue within the scope’s tube. A lot of optics protect against moisture from going into the optical tube with a series of sealing O-rings which are waterproof. Generally, these water resistant optics can be submerged within 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 prevention for common use rifles for hunting and sporting purposes, unless you anticipate taking your rifle sailing and are concerned about the optic still functioning if it goes over the side and you can still salvage the firearm.
Rifle Scope Gas Purging
Another part of avoiding the buildup of wetness inside of the rifle optic’s tube is filling the tube with a gas like nitrogen. Since this area is already taken up by the gas, the scope is less altered by temp alterations and pressure variations from the external environment which could potentially permit 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.
