Description
Rifle Scope Product Details
BARSKA AO IR Blackhawk Rifle Scope
Rifle Scope Product Features
About this item
Included components: Hunting Scopes Rifles
Sport type: Outdoors
AC12453
FOV: 24.8ft / 7.55m @ 4x, 6.2ft / 1.88m @ 16x
Tube Diameter: 1″
Eye Relief: 3.3in – 3.1 in
Exit Pupil: 2.5mm – 10mm
Focal Plane: Second
Parallax Adjustment: Yes
4-16×40 AO IR Blackhawk Rifle Scope
by Barska
The 4-16×40 AO IR Blackhawk Rifle Scope by Barska has been designed to provide pin-point accuracy and rugged durability that you can depend on. Whether at the range or on the hunt, the 4-16×40 Blackhawk Rifle Scope puts your shots on the target with its precision optics. An Illuminated Red/Green Mil-Dot Reticle (IR) can be adjusted to 5 different levels of brightness, which allows the user to fine-tune the reticle for optimal performance in any lighting situation.
4-16x Magnification
40mm Objective Lens
Second Focal Plane
1/4 MOA Click Adjustments
Fully Multi-Coated Lenses
AO Adjustment
Parallax Adjustment allows user to adjust according to distance they are shooting at.
Turret Adjustment
1/4 MOA Solid Windage and Elevation Adjustment with Turret Caps.
Zoom Adjustment
4 ” 16x Adjustable zoom allows user to get up close to the target.
Reticle
Illuminated Red / Green Mil Dot Reticle with adjustable brightness.
AC12453 AC12462 AC12464 AC12451 AC12449
Magnification 4x-16x 3x-12x 6x-24x 3x-9x 2x-7x
Objective Lens 40mm 50mm 50mm 32mm 32mm
Lens Coating Fully Multi-Coated Fully Multi-Coated Fully Multi-Coated Fully Multi-Coated Fully Multi-Coated
Click Value (MOA) 1/4 1/4 1/4 1/4 1/4
Length (in) 14.8 14.25 15 12.7 11.4
Product Weight (oz) 17.6 15.9 20.2 12.6 12.4
About the BARSKA Manufacturer
BARSKA is a premium company for long gun scopes, optics, mounting solutions, and other components used for firearms like rifles and long guns. They create and make their scopes and related products by making the most of elements which are long lasting and resilient. This includes the BARSKA AO IR Blackhawk Rifle Scope by BARSKA. For more shooting goods, visit their website.
What You Need to Know About Scopes
Rifle scopes allow you to exactly aim a rifle at different targets by lining up your eye with the target at range. They do this through zoom by using a series of lenses inside the scope. The scope’s alignment can be dialed in for the consideration of various natural factors like wind and elevation increases or decreases to account for bullet drop.
The scope’s purpose is to help the shooter understand precisely where the bullet will land based on the sight picture you are seeing with the scope as you line up the scope’s crosshair or reticle with the intended point of impact. Most modern rifle scopes and optics have around eleven parts which are located inside and outside of the scope. These optic pieces consist of the rifle scope’s body, lenses, modification dials, objective focus rings, and other elements. See all eleven parts of a scope.
Rifle Glass Styles
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. Deciding upon the best type of rifle optic is based around what type of shooting you plan on doing.
About First Focal Plane Scopes
First focal plane optics (FFP) feature the reticle in front of the zoom lens. This induces the reticle to increase in size based on the amount of magnification being used. The result is that the reticle measurements are the same at the magnified distance as they are at the non amplified range. One tick on a mil-dot reticle at 100 yards without “zoom” is still the exact same tick at one hundred yards with 5x “zoom”. These kinds of scopes are valuable for:
- Quick acquisition, long distance kinds of shooting
- Shooting circumstances where estimations are small
- Experienced shooters who know their target “hold over” and also “lead” relationships for their firearm
- Shooters who don’t mind the reticle is bigger and takes up more visual sight room than a SFP reticle
Second Focal Plane Optics
Second focal plane scopes (SFP) feature 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 measurement.
- Far away types of shooting where shooters have more time to make ballistic calculations
- Shooting where most shots happen within shorter ranges and distances
- Shooters who prefer a clearer optic sight picture with less area used up by the enlarged FFP reticle
Zoom for Optics
The measure of scope zoom you need on your glass depends upon the kind of shooting you want to do. Almost every kind of rifle optic provides some amount of magnification. The volume of zoom a scope supplies is established by the size, density, and curvatures of the lenses inside of the rifle scope. The magnification level of the scope is the “power” of the glass. This denotes what the shooter is aiming at through the scope is magnified times the power aspect of what can normally be seen by human eyes.
Info on Single Power Lens Glass
A single power rifle optic or scope comes with a zoom number designator like 4×32. This implies the zoom power of the scope is 4x power while the objective lens is 32mm. The magnification of this type of scope can not change because it is set from the factory.
Adjustable Power Lens Glass Facts
Variable power rifle scopes use variable power levels. The power adjustment is handled using the power ring part of the scope near the back of the scope by the eye bell.
Scope Power and Range Correlation
Here are some recommended scope power settings and the ranges where they can be effectively used. Remember that higher magnification scopes will not be as efficient as lower powered scope and optics because increased zoom can be a negative thing in certain situations. The same concept goes for longer distances where the shooter needs sufficient power to see exactly where to properly aim the rifle at the target.
Lens Finish for Optics
All contemporary rifle scope lenses are layered. There are different types and qualities of glass lens finishings. When researching luxury rifle optical devices, Lens covering can be a critical aspect of defining the rifle’s capability. The glass lenses are among the most key parts of the optic due to the fact that they are what your eye sees through while sighting a rifle in on the target. The finish on the lenses shields the lens surface and even helps with anti glare capabilities from refracted direct sunlight and color recognition.
HD Versus ED Lenses
Some scope producers also use “HD” or high-definition lens coatings which use various procedures, chemicals, aspects, and polarizations to draw out various colors and viewable quality through the lens. Some scope makers use “HD” to refer to “ED” to signify the lens has extra-low dispersion glass.
Single Rifle Optic Lens Finish Versus Multi-Coating
Various scope lenses can even have various finishings applied to them. All lenses typically have at least some type of treatment or coating applied to them before being used in a rifle scope or optic. This is due to the fact that the lens isn’t simply a raw piece of glass. It becomes part of the finely tuned optic. It requires a coating to be applied to it so that the lens will be optimally functional in many kinds of environments, degrees of sunlight (full light VS shaded), 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 layered lens depends on the scope producer and how much you paid for it.
Some scope makers similarly make it a point to specify if their optic lenses are coated or “multi” coated. Being “better” depends on the maker’s lens treatment innovation and the quality of products used in constructing the rifle scope.
Rifle Scope Lens Hydrophobic Finishing
Water on an optic’s lens doesn’t help with keeping a clear sight picture through an optic in any way. Lots of top of the line or premium scope makers will coat their lenses with a hydrophobic or hydrophilic coating. The Steiner Optics Nano-Protection is a good example of this type of treatment. It deals with the surface area of the Steiner scope lens so the H2O molecules can not bind to it or produce surface tension. The result is that the water beads slide off of the scope to maintain a clear, water free sight picture.
Alternatives for Mounting Rifle Glass on Firearms
Mounting approaches for scopes can be found in a few options. There are the basic scope rings which are individually installed to the scope and one-piece mounts which cradle the scope. These various kinds of mounts also generally are made in quick release versions which use toss levers which permit rifle shooters to rapidly install and remove the scopes.
Hex Key Optic Rings
Normal, clamp style 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 a couple of 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 install is perfect for rifles which require a resilient, sound mount which will not move no matter how much the scope is moved or abuse the rifle takes.
Quick-Release Cantilever Optic Rings
These kinds of quick-release rifle scope mounts can be used to rapidly attach and take off a scope from a rifle. If they all use a similar style mount, several scopes can often be swapped on the range. The quick detach mount style is CNC machined from anodized 6061 T6 aluminum and the mounting levers connect securely to a flat top style Picatinny rail. This permits the scope to be sighted in while on the rifle, taken off of the rifle, and remounted while maintaining accuracy. These types of mounts come in practical for shooting platforms which are transported a lot, to remove the glass from the rifle for protection, or for optics which are chosen for use between several rifles. An example of this mount type is the 30mm mount designed by the Vortex Optics brand. It usually costs around $250 USD
Info Around Rifle Glass Tube Sealing and Gas Purging
Moisture inside your rifle optic can mess up a day of shooting and your pricey optic by causing fogging and producing residue inside of the scope tube. The majority of scopes prevent moisture from getting in the scope tube with a system of sealing O-rings which are waterproof.
About Optic Tube Gas Purging
Another component of preventing the buildup of wetness within the rifle scope’s tube is filling the tube with a gas like nitrogen. Because this area is already taken up by the gas, the scope is less impacted by temperature level shifts and pressure differences from the external environment which could possibly permit water vapor to seep in around the seals to fill the void which would otherwise be there. These are good qualities of a decent rifle scope to look for.
