Description
Rifle Scope Product Details
DJym HD Blue Film No Magnification Red Dot Sight, Shockproof Waterproof Anti-Fog
Magnification: 1 time
Weight: 290g
Length: 135mm
Objective lens diameter: 30mm
Adjustment method: built-in adjustment
Differentiation line: single point
Differentiation material: wire
Coating method: blue film
Earthquake resistance or not: yes
Nitrogen filling or not / waterproof and anti-fog: yes
TCpick:
1. Welcome to buy, we will send it to you as soon as possible, if there is any doubt, we will reply within 24 hours, I wish you a happy shopping
2. If you are satisfied with our products, please leave your valuable feedback or product reviews, thank you for your support.
Rifle Scope Product Features
Quickly aim and seize the opportunity.
HD blue film, to a certain extent ease the fatigue of long-term observation.
Excellent seismic performance, very stable after installation, not loose.
Nitrogen, waterproof and anti-fog, reduce the erosion caused by water vapor and water, more durable.
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 maker for weapon scopes, optics, mounts, and other add-ons used for guns like rifles and long guns. They innovate and manufacture their products using materials which are long lasting and durable. This includes the DJym HD Blue Film No Magnification Red Dot Sight, Shockproof Waterproof Anti-Fog by DJym. For additional shooting items, visit their website.
Glass Information
Rifle scopes allow you to precisely align a rifle at various targets by lining up your eye with the target over a range. They accomplish this through magnifying the target by making use of a series of lenses inside the scope. The scope’s alignment can be dialed in for the consideration of separate ecological factors like wind speed and elevation increases to make up for bullet drop.
The scope’s function is to help the shooter understand exactly 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 intended point of impact. The majority of modern rifle scopes and optics have around 11 parts which are arranged within and outside of the scope body. These parts include the rifle scope’s body, lenses, modification dials or turrets, focus rings, and other parts. See all eleven parts of optics.
About Rifle Scope Styles
Rifle scopes can be either “first focal plane” or “second focal plane” style of scopes. The type of focal plane an optic has identifies where the reticle or crosshair lies in relation to the scopes magnification. It actually means the reticle is situated behind or ahead of the magnification lens of the scope. Picking out the most suitable type of rifle optic is based upon what type of hunting or shooting you intend on doing.
Info About First Focal Plane Scopes
Focal plane scopes (FFP) feature the reticle in front of the zoom lens. These types of scopes are helpful for:
- Quick acquisition, long distance kinds of shooting
- Shooting circumstances where estimations are very little
- Experienced shooters who know their aim point “hold over” and also “lead” ratios for their firearms
- Shooters who do not mind the reticle is enlarged and occupies more visual eyesight space than a SFP reticle
About Second Focal Plane Optics
Second focal plane optics (SFP) include the reticle to the rear of the magnifying lens. This triggers the reticle to remain at the same size in relation to the amount of magnification being used. The result is that the reticle dimensions shift based upon the magnification applied to shoot over lengthier distances since the markings represent distinct increments which can vary with the magnification level. In the FFP example with the SFP glass, the 5x “zoom” one hundred yard tick would be 1/5th of the non “zoom” tick measurement. These particular sorts of optics work for:
- Far away styles of shooting where shooters have additional time to make ballistic estimations
- Shooting where most shots happen within shorter spaces and ranges
- Shooters who want a clearer optic sight picture with less space used up by the larger sized FFP reticle
About Scope Zoom
The level of scope magnification you need on your glass depends upon the sort of shooting you wish to do. Practically every type of rifle optic provides some level of zoom. The amount of magnification a scope gives is established by the dimension, thickness, and curves of the lenses within the rifle scope. The magnification of the optic is the “power” of the opic. This means what the shooter is observing through the scope is amplified times the power aspect of what can generally be seen by human eyes.
Fixed Single Power Lens Rifle Glass
A single power rifle optic or scope comes with 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 fluctuate considering that it is a fixed power scope.
Info on Adjustable Power Lens Rifle Scopes
Variable power rifle scopes use variable power levels. The power adjustment is handled by using the power ring part of the scope near the back of the scope by the eye bell.
Power and Range Correlations
Here are some recommended scope power settings and the distances where they can be effectively used. Consider that higher power optics and scopes will not be as effective as lower powered optics because too much zoom can be a bad thing. The exact same concept relates to longer distances where the shooter needs enough power to see precisely where to properly aim the rifle.
Lens Covering for Glass
All top teir rifle optic and scope lenses are layered. Lens finish can be a significant aspect of a rifle system when buying high end rifle optics and scope setups.
Details on Optic Lens Coatings – HD Versus ED
Some scope manufacturers even use “HD” or high-definition glass finishings which use different procedures, polarizations, rare earth compounds, and aspects to extract different colors and viewable definition through lenses. This high-definition finish is often used with increased density lens glass which brings down light’s potential to refract by means of the lens glass. Some scope producers use “HD” to refer to “ED” meaning extra-low dispersion glass. ED handles how colors are represented on the chroma spectrum and the chromatic deviance or aberration which is also called color distortion or fringing. Chromatic aberration may be noticeable over objects with well defined shapes as light hits the item from various angles.
Rifle Glass Lens Single Finishing Versus Multi-Coating
Different optic lenses can likewise have various coverings used to them. All lenses typically have at least some type of treatment or finishing used to them prior to being used in a rifle scope or optic.
This lens treatment can protect the lens from scratches while decreasing glare and other less beneficial things experienced in the shooting environment while sighting in with the scope. The quality of a single layered 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” coated. This implies the lens has had multiple treatments applied to them. If a lens receives numerous treatments, it can show that a company is taking several actions to fight different natural aspects like an anti-glare coating, a scratch resistant anti-abrasion finishing, followed by a hydrophilic finishing. This additionally doesn’t necessarily indicate the multi-coated lens will perform much better than a single covered lens. Being “much better” depends on the maker’s lens treatment solutions and the quality of products used in building the rifle optic.
Details on Hydrophobic Covering
Water on an optical lens does not improve retaining a clear sight picture through a scope at all. Many top of the line and 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 provides protection for the surface area of the Steiner glass lens so the H2O particles can not bind to it or produce surface tension. The outcome is that the water beads roll off of the scope to maintain a clear, water free sight picture.
Options for Installing Scopes on Firearms
Mounting options for scopes can be found in a couple of options. There are the standard scope rings which are individually mounted to the scope and one-piece mounts which cradle the scope. These various types of mounts also typically come in quick release versions which use toss levers which permit rifle shooters to quickly mount and dismount the optics.
Hex Key Scope Ring Mounts
Normal, clamp design mounting scope rings use hex head screws to mount to the flattop style Picatinny scope mount rails on rifles. These types of scope mounts use two separate rings to support the optic, and are made from 7075 T6 billet aluminum which is created for long distance precision shooting. This type of scope mount is wonderful for rifles which need a resilient, sound mounting solution which will not move no matter how much the scope is moved or abused.
Quick-Release Cantilever Optic Ring Mounting Solutions
These types of quick-release rifle scope mounts can be used to quickly remove a scope and connect it to a different rifle. Several scopes can even be swapped out if they all use a compatible style mount. These types of mounts are handy for rifle platforms which are transferred a lot, to remove the optic from the rifle for protection, or for scopes which are used between several rifles or are situationally focused.
Rifle Glass Tube Sealing and Gas Purging
Wetness inside your rifle scope can destroy a day of shooting and your costly optic by causing fogging and producing residue inside of the scope tube. Many scopes prevent wetness from entering the scope tube with a system of sealing O-rings which are water resistant.
Gas Purged Rifle Optic Tubes
Another part of preventing the buildup of moisture inside of the rifle optic tube is filling the tube with a gas like nitrogen. Considering that this area is already occupied by the gas, the glass is less affected by temp changes and pressure distinctions from the outside environment which might potentially permit water vapor to leak in around the seals to fill the vacuum which would otherwise exist. These are good qualities of a good rifle scope to seek out.
