Description
Rifle Scope Accessory Product Details
Leupold Mark 4 Anti-Reflection Device (Ard) (Pre-2004) 52292
Product Description
The ARD reduces lens glare as effectively as a 7″ lens shade. Snaps into 40mm objective scopes that are non-threaded without adjustable objectives. Features: – Reduces Lens Glare as Effectively as a Traditional 7″ Lens Shade in a Low Profile Design Only 3/8″ Deep – Perforated with Scores of Tiny Light-Transmitting Baffles to Reduce Lens Glare with no Observable Loss in Resolution Specifications: – Fits: 40mm Fixed Objective Scopes which are Non-Threaded – Material: High Impact Plastic – Finish: Black
Amazon.com
The right tool makes even the most difficult or tedious job easier. Enter the Leupold Mark 4 anti-reflection device (ARD), which features scores of tiny, light-transmitting honeycomb baffles designed to reduce lens glare without obscuring your sight picture. This particular ARD–which measures a mere 1/4-inch deep–fits Leupold’s pre-2004 lenses, and reduces glare as effectively as a 7-inch lens shade but without the overhang. The ARD comes with Leupold’s full lifetime guarantee.
Rifle Scope Accessory Product Features
About this item
Reduces Lens Glare as Effectively as a Traditional 7″ Lens Shade in a Low Profile Design Only 3/8″ Deep
Perforated with Scores of Tiny Light-Transmitting Baffles to Reduce Lens Glare with no Observable Loss in Resolution
Fits: 40mm Fixed Objective Scopes which are Non-Threaded
About the Leupold Scope Maker
Leupold is a premium maker for weapon scopes, optics, mounting solutions, and other add-ons used for guns like rifles and long guns. They design and build their products by using materials which are long lasting and resilient. This includes the Leupold Mark 4 Anti-Reflection Device (Ard) (Pre-2004) 52292 by Leupold. For more shooting goods, visit their website.
What You Need to Know About Rifle Optics
Rifle scopes permit you to precisely align a rifle at different 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 adapted for the consideration of many environmental considerations like wind and elevation increases or decreases to account for bullet drop.
The scope’s purpose is to help the shooter understand exactly where the bullet will land based upon the sight picture you are seeing via the scope as you align the scope’s crosshair or reticle with the intended target. The majority of modern-day rifle scopes and optics have around eleven parts which are found within and on the exterior of the scope. These optic pieces consist of the rifle scope’s body, lenses, windage dials, objective focus rings, and other components. See all eleven parts of a rifle scope.
Rifle Glass Varieties
Rifle scopes can be either “first focal plane” or “second focal plane” type of optics. Picking the best type of rifle optic is based on what type of shooting you plan on doing.
Info on First Focal Plane Scopes
Focal plane scopes (FFP) feature the reticle in front of the magnification lens. These styles of scopes are beneficial for:
- Quick acquisition, long distance kinds of shooting
- Shooting situations where estimations are marginal
- Experienced shooters who recognize their target “hold over” and “lead” equations for their rifles
- Shooters who do not mind the reticle is enlarged and occupies more visual eyesight space than a SFP reticle
Info About Second Focal Plane Glass
Second focal plane scopes (SFP) feature the reticle to the rear of the zoom lens. In the FFP example with the SFP scope, the 5x “zoom” 100 yard tick measurement would be 1/5th of the non “zoom” tick.
- Far away forms of shooting where shooters have additional time to make ballistic computations
- Shooting where most of the shots happen within much shorter ranges and distances
- Shooters who desire a clearer optic picture without room taken up by the larger sized FFP reticle
Rifle Glass Zoom
The level of scope zoom you require is based on the type of shooting you wish to do. Nearly every type of rifle optic offers some degree of zoom. The amount of zoom a scope offers is identified by the diameter, thickness, and curvatures of the lenses inside of the rifle optic. The magnification of the scope is the “power” of the scope. This indicates what the shooter is looking at through the scope is amplified times the power aspect of what can typically be seen by human eyes.
About Single Power Lens Scopes
A single power rifle optic comes with a zoom number designator like 4×32. This implies the zoom 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 fixed.
Variable Power Lens Optics
Variable power rifle scopes use variable power levels. The power change is achieved by using the power ring part of the scope near the back of the scope by the eye bell.
Optic Power and Ranges
Here are some recommended scope power settings and the ranges where they can be effectively used. Remember that higher power scopes will not be as efficient as lower powered optics since too much zoom can be a detractor. The exact same idea goes for extended distances where the shooter needs increased power to see precisely where to best aim the rifle at the target.
Rifle Glass Lens Covering
All contemporary rifle optic and scope lenses are coated. There are various types and qualities of finishings. Lens covering can be an essential aspect of a rifle’s setup when looking at luxury rifle optics and targeting units. The lenses are among the most important components of the glass because they are what your eye looks through while sighting a rifle in on the point of impact. The finishing on the lenses protects the lens surface area and also improves anti glare capabilities from refracted sunshine and color perception.
HD Versus ED Lenses
Some scope producers likewise use “HD” or high-definition lens finishings which use different techniques, aspects, chemicals, and polarizations to draw out various colors and viewable quality through the lens. Some scope producers use “HD” to refer to “ED” indicating extra-low dispersion glass.
Glass Lens Single Finishing Versus Multi-Coating
Various optic lenses can even have various finishes applied to them. All lenses generally have at least some kind of treatment or finish applied to them before being used in a rifle scope or optic. Due to the fact that the lens isn’t just a raw piece of glass, they require performance enhancing coatings. It is part of the carefully tuned optic. It requires a coating to be applied to it so that the lens will be optimally functional in lots of types of environments, degrees of light (full light VS shaded), and other shooting conditions.
Single layered lenses have a treatment applied to them which is normally a protective and boosting multi-purpose treatment. This lens treatment can protect the lens from scratches while reducing glare and other less useful things experienced in the shooting environment while sighting in with the optic. The quality of a single covered lens depends upon the scope company and how much you spent on it. The scope’s maker and cost are signs of the lens quality.
Some scope producers also make it a point to specify if their optic lenses are covered or “multi” covered. This means the lens has had numerous treatments applied to the surfaces. If a lens receives several treatments, it can show that a producer is taking several steps to combat various environmental aspects like an anti-glare finishing, a scratch resistant anti-abrasion finish, followed by a hydrophilic finishing. This also does not necessarily indicate the multi-coated lens is better than a single covered lens. Being “better” depends on the manufacturer’s lens treatment innovation and the quality of glass used in creating the rifle scope.
Anti-water Lens Coating
Water on a scope lens does not help with retaining a clear sight picture through a scope whatsoever. Lots of top of the line and high-end optic makers will coat their lenses with a hydrophobic or hydrophilic finishing. The Steiner Optics Nano-Protection is a good example of this sort of treatment. It treats the exterior 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.
Alternatives for Mounting Glass on Long Guns
Mounting options for scopes can be found in a couple of choices. There are the standard scope rings which are separately installed to the optic and one-piece mounts which cradle the scope. These different kinds of mounts also generally come in quick release variations which use manual levers which enable rifle operators to quickly install and remove the optics.
Hex Key Scope Rings
Normal, clamp style mounting scope rings use hex head screws to mount to the flattop design Picatinny scope installation rails on rifles. These types of scope mounts use two separate rings to support the optic, and are often made from 7075 T6 billet aluminum which are created for long distance precision shooting. This type of scope install is wonderful for rifles which need a resilient, rock solid mounting solution which will not move no matter how much the scope is moved or abused.
Glass Mounting Solutions with Quick-Release Cantilever Rings
These types of quick-release rifle scope mounts can be used to rapidly attach and detach a scope from a rifle before reattaching it to a different rifle. Several scopes can also be swapped out if they all use a similar style mount. These types of mounts come in handy for rifle platforms which are carried a lot, to swap out the optic from the rifle for protection, or for scopes which are used in between several rifles or are situationally focused.
What to Know About Scope Tube Sealing and Gas Purging
Moisture inside your rifle scope can mess up a day of shooting and your pricey optic by triggering fogging and creating residue inside of the scope tube. The majority of scopes avoid wetness from entering the scope tube with a system of sealing O-rings which are waterproof.
Rifle Optic Gas Purging
Another part of avoiding the accumulation of wetness inside of the rifle scope’s tube is filling the tube with a gas like nitrogen. Considering that this area is already taken up by the gas, the glass is less affected by temp alterations and pressure variations from the outdoor environment which might possibly allow 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.
