Description
Rifle Scope Product Details
DB TAC INC Presma EX Series Professional 3-12X44 Precision Scope, Red,Green,Blue Color RXR Reticle
100% shockproof, Fog-proofed; water-proofed.
Flip open lens covers.
2.5″ sunshade included.
Mag X:3-12X
Length: 10.8 inch
Weight: 17.3 oz
1 Click: 1/4 MOA
Obj. Dia.: 44 mm
Reticle Style: RXR
Exit Pupil: 12/3.6 mm
FOV (Ft / 100Yds): 9.0 / 38.9
Tube Dia.: 1 inch
W/E Adj. Value: 30 MOA
Eye Relief: 3/3.3 inch
Parallax (Yds): 100
Battery: CR2032
Diopter range: 2
Rifle Scope Product Features
One piece scope ring mount with quick release bottom.
11 levels of Red, Green, Blue illuminated reticle.
Illumination adjustment memorizes last level of selection.
RXR estimate reticle.
Integrated level bubble.
About the DB TAC INC Scope Maker
DB TAC INC is a premium company for firearm scopes, optics, mounting solutions, and other accessories used for firearms like rifles and long guns. They innovate and supply their products by choosing materials which are resilient and long lasting. This includes the DB TAC INC Presma EX Series Professional 3-12X44 Precision Scope, Red,Green,Blue Color RXR Reticle by DB TAC INC. For more shooting products, visit their website.
Rifle Optic Details
Rifle scopes permit you to precisely aim a rifle at different targets by lining up your eye with the target at range. They accomplish this through magnifying the target by utilizing a set of lenses within the scope. The scope’s positioning can be adapted for the consideration of many environmental elements like wind and elevation to account 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 through the scope as you align the scope’s crosshair or reticle with the target. The majority of modern-day rifle scopes and optics have around 11 parts which are found internally and on the exterior of the optic. These scope parts consist of the rifle scope’s body, lenses, windage and elevation turrets, objective focus rings, and other parts. See all eleven parts of a rifle scope.
Rifle Optic Types
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. Opting for the perfect type of rifle glass depends on what type of shooting you plan on doing.
First Focal Plane Optic Facts
Focal plane scopes (FFP) feature the reticle in front of the magnification lens. This induces the reticle to increase in size based upon the amount of zoom being used. The benefit is that the reticle measurements are the same at the enhanced range as they are at the non amplified range. For example, one tick on a mil-dot reticle at one hundred yards without any “zoom” is still the exact same tick at one hundred yards using 5x “zoom”. These types of scopes are practical for:
- Quick acquisition, far away kinds of shooting
- Shooting circumstances where computations are low
- Experienced shooters who understand their aim point “hold over” and “lead” correlations for their firearm
- Shooters who don’t mind the reticle is enlarged and requires more visual sight space than a SFP reticle
Info on Second Focal Plane Scopes
Second focal plane glass (SFP) feature the reticle behind the magnification lens. This triggers the reticle to remain at the very same overall size in relation to the amount of magnification being used. The effect is that the reticle dimensions adjust based upon the zoom applied to shoot over lengthier ranges considering the markings present various increments which fluctuate with the magnification. In the FFP example with the SFP scope, the 5x “zoom” one hundred yard tick measurement would be 1/5th of the non “zoom” tick. These kinds of optics are handy for:
- Long distance forms of shooting where shooters have extra time to make ballistic estimations
- Shooting where most of the shots occur within much shorter ranges and distances
- Shooters who desire a clearer optic sight picture with less space taken up by the bigger FFP reticle
Rifle Optic Magnification
The quantity of magnification a scope offers is figured out by the size, thickness, 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 Rifle Optic Facts
A single power rifle optic and scope comes with a magnification number designator like 4×32. This indicates the zoom power of the scope is 4x power and the objective lens is 32mm. The magnification of this type of optic can not adjust since it is fixed.
Info on Variable Power Lens Rifle Glass
Variable power rifle scopes use enhanced power. The power modification is achieved using the power ring part of the scope near the rear of the scope by the eye bell.
The Power Level and Range Correlation of Rifle Scopes
Here are some recommended scope power settings and the ranges where they could be efficiently used. Highly magnified scopes will not be as beneficial as lower powered rifle scope glass because too much magnification can be a bad thing. The same relates to longer ranges where the shooter needs to have adequate power to see where to best aim the rifle at the target.
Lens Finish for Rifle Optics
All contemporary rifle scope lenses are layered. There are various types and qualities of glass lens coatings. When looking at high end rifle optical systems, Lens covering can be an important element of defining the rifle’s capability. The lenses are among the most key components of the glass because they are what your eye sees through while sighting a rifle in on the point of impact. The finish on the lenses offers protection to the lens exterior and improves anti glare from excess natural light and color perception.
ED Versus HD Scopes
Some glass suppliers even use “HD” or high-definition lense finishings that apply various processes, polarizations, components, and chemicals to enhance separate color ranges and viewable target definition through lenses. This high-def covering is frequently used with increased density lens glass which reduces light’s ability to refract through the lens glass. Some scope corporations use “HD” to describe “ED” suggesting extra-low dispersion glass. ED deals with how certain colors are represented on the chromatic spectrum and the chromatic aberration or difference which is also called color distortion or fringing. Chromatic aberration is often visible over things with hard edges and shapes as light hits the object from various angles.
Scope Lens Single Covering Versus Multi-Coating
Various optic lenses can also have various coatings used to them. All lenses usually 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 safeguard the lens from scratches while lowering glare and other less helpful things experienced in the shooting environment while sighting in with the scope. The quality of a single coated lens depends on the scope producer and how much you paid for it.
Some scope makers likewise make it a point to specify if their optic lenses are covered or “multi” coated. This indicates the lens has multiple treatments applied to the surfaces of the glass. If a lens receives several treatments, it can prove that a manufacturer is taking numerous actions to fight various natural aspects like an anti-glare covering, a scratch resistant anti-abrasion finishing, followed by a hydrophilic covering. This additionally doesn’t necessarily suggest the multi-coated lens is much better than a single coated lens. Being “much better” depends upon the maker’s lens treatment solutions and the quality of glass used in building the rifle glass.
Glass Lens Hydrophobic Covering
Water on a lens does not assist with preserving a clear sight picture through a scope at all. Numerous top of the line and military grade optic makers will coat their lenses with a hydrophilic or hydrophobic covering which is water repellent.
Rifle Glass Installing Alternatives
Mounting options for scopes come in a couple of choices. There are the basic scope rings which are individually installed to the scope and one-piece scope mounts which cradle the scope. These different kinds of mounts also generally can be found in quick release variations which use manual levers which enable rifle shooters to quickly install and dismount the glass.
Hex Key Scope Rings
Normal, clamp style 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 a couple of separate rings to support the optic, and are often made from 7075 T6 billet aluminum which is designed for long distance precision shooting. This type of scope mount is fine for rifles which require a durable, rock solid mount which will not move no matter how much the scope is moved or abused.
Quick-Release Cantilever Optic Ring Mounts
These types of quick-release rifle scope mounts can be used to quickly take off a scope and attach it to a different rifle. Several scopes can even be switched out if they all use a similar design mount. These types of mounts are convenient for long guns which are transferred a lot, to swap out the optic from the rifle for protection, or for optics which are used in between several rifles.
Rifle Optic Tube Sealing and Gas Purging
Moisture inside your rifle glass can destroy a day on the range and your highly-priced optic by causing fogging and creating residue inside of the scope tube. A lot of optics prevent humidity from entering the scope tube with a series of sealing O-rings which are water resistant. Generally, these optics can be immersed under 20 or 30 feet of water before the water pressure can push moisture past the O-rings. This should be more than enough humidity prevention for standard use rifles, unless you intend on taking your rifle on boats and are concerned about the optic still working if it goes over the side and you can still rescue the rifle.
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 currently occupied by the gas, the glass is less altered by climate changes and pressure variations from the outdoor environment which may possibly permit 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 seek out.
