Description
Rifle Scope Product Details
DB TAC INC Compact 3-9×42 Red and Green Color Illuminated Scope Come with Rings
Magnification: 3 – 9x
Objective lens: 42 mm
Overall Length : 7.6 Inch
Clearance To Top Of Rail Length : 0.55 Inch
Waterproof
Fog-proof
Reticle: mil-dot ILLUMINATED dual color
Exit pupil: 4.69 mm – 1 4 mm
Field of view (ft at 100 yds): 36.7/12.3@3x
Adjustment knob: easy-grip, target-style lockable windage and elevation
Includes scope caps, mounting rings, lens cloth and battery
Rifle Scope Product Features
Magnification: 3 – 9x
Objective lens: 42 mm
Overall Length : 7.6 Inch
Clearance To Top Of Rail Length : 0.55 Inch
Field of view (ft at 100 yds): 36.7/12.3@3x
About the DB TAC INC Brand
DB TAC INC is a premium maker for weapon scopes, optics, mounts, and other add-ons used for firearms like rifles and long guns. They create and make their scopes, mounts, and related products choosing elements which are resilient and long lasting. This includes the DB TAC INC Compact 3-9×42 Red and Green Color Illuminated Scope Come with Rings by DB TAC INC. For more shooting goods, visit their site.
About Glass
Rifle scopes permit you to specifically aim a rifle at various targets by lining up your eye with the target at range. They accomplish this through magnifying the target by using a series of lenses inside the scope. The scope’s positioning can be dialed in to take into account many natural aspects like wind and elevation to make up for bullet drop.
The scope’s function is to understand precisely where the bullet will hit based on the sight picture you are viewing using the optic as you align the scope’s crosshair or reticle with the intended target. Most modern rifle optics have around 11 parts which are arranged internally and externally on the optic. These parts consist of the rifle scope’s body, lenses, elevation turrets or dials, objective focus rings, and other parts. Learn about the eleven parts of rifle scopes.
Rifle Glass Varieties
Rifle scopes can be either “first focal plane” or “second focal plane” kind of scopes. The type of focal plane a scope has identifies where the reticle or crosshair lies in connection with the optic’s magnification. It actually means the reticle is located behind or before the magnifying lens of the optic. Considering the most desired sort of rifle optic is dependent on what style of shooting you intend on undertaking.
Info on First Focal Plane Optics
First focal plane glass (FFP) come with the reticle in front of the zoom lens. This induces the reticle to increase in size based upon the level of zoom being used. The result is that the reticle measurements are the same at the enhanced distance as they are at the non magnified range. For example, one tick on a mil-dot reticle at one hundred yards without any “zoom” is still the very same tick at 100 yards using 5x “zoom”. These kinds of scopes work for:
- Quick acquisition, far away kinds of shooting
- Shooting situations where estimations are marginal
- Experienced shooters who have an idea for their aim point “hold over” and also “lead” relationships for their long guns
- Shooters who do not mind the reticle is enlarged and occupies more visual eyesight room than a SFP reticle
Second Focal Plane Glass Facts
Second focal plane scopes (SFP) include the reticle behind the zoom lens. In the FFP example with the SFP scope, the 5x “zoom” 100 yard tick reticle measurement would be 1/5th of the non “zoom” tick measurement.
- Far away forms of shooting where shooters have more time to make ballistic calculations
- Shooting where most of the shots happen within much shorter spaces and ranges
- Shooters who select a clearer optic sight picture without room used up by the larger sized FFP reticle
Details on Rifle Scope Zoom
The amount of zoom a scope provides is figured out by the size, thickness, and curvatures of the lenses inside of the rifle scope. The magnification of the scope is the “power” of the scope.
Single Power Lens Rifle Optics
A single power rifle scope will have a zoom number designator like 4×32. This means the zoom power of the scope is 4x power and the objective lens is 32mm. The magnification of this kind of scope can not change considering that it is a fixed power scope.
About Variable Power Lens Rifle Optics
Variable power rifle scopes can be modified between magnified settings. The power adjustment is performed by making use of the power ring part of the scope near the back of the scope by the eye bell.
Power and Range Correlations
Here are some advised scope powers and the distances where they can be successfully used. Keep in mind that higher power glass will not be as practical as lower magnification level optics and scopes since excessive magnification can be a bad thing. The exact same concept relates to extended distances where the shooter needs enough power to see precisely where to best aim the rifle.
Details on Scope Lens Covering
All modern rifle optic lenses are layered. There are various types and qualities of finishings. Lens finishing is a crucial element of a rifle’s setup when thinking about high-end rifle optics and scope systems. The glass lenses are among the most critical components of the optic due to the fact that they are what your eye sees through while sighting a rifle in on the point of impact. The finishing on the lenses protects the lens surface as well as assists with anti glare capabilities from excess natural light and color profiles.
HD Versus ED Optic Lens Coatings
Some scope brands likewise use “HD” or high-definition lens coatings which use various techniques, components, chemicals, and polarizations to draw out a wide range of colors and viewable definition through the lens. Some scope makers use “HD” to refer to “ED” indicating extra-low dispersion glass.
About Single Finishing Versus Multi-Coating
Various optic lenses can even have various finishings applied to them. All lenses usually have at least some type of treatment or finishing applied to them before being used in a rifle scope or optic assembly. Since the lens isn’t just a raw piece of glass, they require performance enhancing coatings. It becomes part of the finely tuned optic. It needs to have a coating placed on it so that it will be optimally usable in numerous types of environments, degrees of sunshine (full VS shaded), and other shooting conditions.
This lens treatment can safeguard 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 producer and how much you paid for it.
Some scope producers also make it a point to define if their optic lenses are layered or “multi” coated. Being “better” depends on the maker’s lens treatment technology and the quality of materials used in building the rifle scope.
Hydrophobic Rifle Scope Lens Covering
Water on a lens does not help with maintaining a clear sight picture through an optic in any way. Lots of top of the line and premium scope producers will coat their lenses with a hydrophilic or hydrophobic finish. The Steiner Optics Nano-Protection is a good example of this kind of treatment. It treats the exterior surfaces of the Steiner scope lens so the water particles can not bind to it or create surface tension. The result is that the water beads slide off of the scope to keep a clear, water free sight picture.
Choices for Mounting Scopes on Long Guns
Mounting solutions for scopes come in a couple of options. There are the standard scope rings which are separately installed to the scope and one-piece scope mounts which cradle the scope. These different kinds of mounts also usually are made in quick release versions which use throw levers which permit rifle shooters to quickly install and remove the scopes.
Hex Key Optic Rings
Standard, 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 different rings to support the optic, and are made from 7075 T6 billet aluminum which are designed for long distance accuracy shooting. This type of scope mount is excellent for rifles which require a resilient, rock solid mounting solution which will not move no matter how much the scope is moved or abused.
Glass Mounts with Quick-Release Cantilever Rings
These types of quick-release rifle scope mounts can be used to quickly attach and remove a scope from a rifle before reattaching it to a different rifle. Several scopes can also be swapped out if they all use a compatible style mount. These types of mounts are convenient for long guns which are carried a lot, to remove the optic from the rifle for protection, or for optics which are used between multiple rifles or are situationally focused.
Sealing and Gas Purging for Scope Tubes
Moisture inside your rifle optic can wreck a day on the range and your costly optic by resulting in fogging and developing residue inside of the scope’s tube. A lot of scopes prevent wetness from entering the scope tube with a series of sealing O-rings which are waterproof. Generally, these scopes can be immersed beneath 20 or 30 feet of water before the water pressure can push 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 worried about the scope still performing if it is submerged in water and you can still retrieve the firearm.
Info on Glass Tube Gas Purging
Another part of preventing the buildup of moisture within the rifle scope’s tube is filling the tube with a gas like nitrogen. Given that this space is currently occupied by the gas, the glass is less affected by temperature level shifts and pressure distinctions from the outdoor environment which could possibly 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.
