Description
Rifle Scope Product Details
Osprey Global ES8-32X56MDG Elite Series Mil-Dot Glass Etched Lit Reticle Scope, 8-32x 56mm, Matte Black (8-32x 56mm)
Great eye-relief, quick acquisition, hoya glass, 56 mm objective lens, three color reticle, rings and dust covers included.
Rifle Scope Product Features
Tube diameter: 30mm, Length: 12.6-Inch, weight: 27.2-Ounce
Objective: 56mm, MOA: 1/4-Inch, exit pupil: 13.3 to 4.4mm, eye relief: 3.66 to 3.35-Inch, field of view (feet at 100 yds): 26.3 – 6.6, parallax (yards): 10yds
Magnification: 4-16, Reticle image plane (magnifying): Mil line, elevation/windage adjustment: 35-Inch, diopter adj: 3-Inch
Comes with ring mounts and dust covers
Fog-proof, shock-proof and water-proof
About the Osprey Global Brand
Osprey Global is a premium maker for weapon scopes, optics, mounts, and other components used for firearms like rifles and long guns. They design and manufacture their mounts, scopes, and related products making the most of building materials which are long lasting and durable. This includes the Osprey Global ES8-32X56MDG Elite Series Mil-Dot Glass Etched Lit Reticle Scope, 8-32x 56mm, Matte Black (8-32x 56mm) by Osprey Global. For additional shooting goods, visit their website.
About Rifle Optics
Rifle scopes allow you to specifically aim a rifle at different targets by aligning your eye with the target over a distance. They accomplish this through magnifying the target by making use of a series of lenses inside the scope. The scope’s positioning can be adjusted for consideration of many natural aspects like wind and elevation decreases to account for bullet drop.
The scope’s purpose is to help the shooter understand precisely where the bullet will hit based on the sight picture you are seeing using the scope as you line up the scope’s crosshair or reticle with the target. A lot of modern rifle optics have around 11 parts which are located internally and externally on the scope. These optic pieces include the rifle scope’s body, lenses, windage and elevation dials, focus rings, and other elements. See all eleven parts of optics.
The Styles of Rifle Scopes
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 relative to the scopes zoom. It actually means the reticle is situated behind or in front of the magnifying lens of the scope. Choosing the most desired kind of rifle scope is based on what variety of hunting or shooting you anticipate undertaking.
First Focal Plane Optic Info
Focal plane scopes (FFP) include the reticle in front of the zoom lens. These kinds of scopes are beneficial for:
- Quick acquisition, far away kinds of shooting
- Shooting scenarios where calculations are very little
- Experienced shooters who have an idea for their aim point “hold over” as well as “lead” ratios for their long guns
- Shooters who don’t mind the reticle is bigger and requires more visual eyesight room than a SFP reticle
Second Focal Plane Scope Info
Second focal plane scopes (SFP) include the reticle to the rear of the magnification 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 reticle measurement.
- Far away kinds of shooting where shooters have more time to make ballistic computations
- Shooting where most shots happen within much shorter ranges and spaces
- Shooters who desire a clearer optic picture with less space used up by the enlarged FFP reticle
Zoom for Rifle Glass
The quantity of magnification a scope offers is figured out by the diameter, density, and curvatures of the lenses inside of the rifle scope. The magnification of the scope is the “power” of the scope.
Fixed Power Lens Rifle Optics
A single power rifle scope or optic will have a zoom number designator like 4×32. This indicates the zoom power of the scope is 4x power while the objective lens is 32mm. The magnification of this kind of scope can not change considering that it is a fixed power scope.
Variable Power Lens Glass
Variable power rifle scopes have adjustable power. These types of scopes will list the zoom amount in a configuration like 2-10×32. These numbers indicate the zoom of the scope could be changed in between 2x and 10x power. This also incorporates the power levels in-between 2 and 10. The power modification is accomplished by employing the power ring part of the scope near the rear of the scope by the eye bell.
The Power Level and Range of Rifle Glass
Here are some advised scope power levels and the ranges where they can be effectively used. Remember that higher magnification glass will not be as practical as lower powered scope and optics due to the fact that excessive zoom can be a detractor. The very same idea goes for longer ranges where the shooter needs adequate power to see precisely where to best aim the rifle.
Lens Finishing for Rifle Optics
All modern-day rifle scope and optic lenses are layered. Lens coating is a vital element of a rifle when looking at high end rifle optics and scope systems.
About Optic Lens Coatings – HD Versus ED
Some scope producers also use “HD” or high-definition lens finishings which use different processes, chemicals, polarizations, and aspects to draw out various colors and viewable definition through the lens. Some scope makers use “HD” to refer to “ED” indicating extra-low dispersion glass.
Single Covering Versus Multi-Coating for Scopes
Different optic lenses can likewise have different coverings used to them. All lenses generally have at least some type of treatment or coating applied to them prior to being used in a rifle scope or optic.
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 coated lens depends on the scope maker and how much you paid for it.
Some scope producers likewise make it a point to specify if their optic lenses are covered or “multi” coated. This implies the lens has multiple treatments applied to the surfaces of the glass. If a lens receives multiple treatments, it can show that a manufacturer is taking numerous actions to combat various environmental aspects like an anti-glare finishing, a scratch resistant anti-abrasion coating, followed by a hydrophilic covering. This additionally doesn’t always indicate the multi-coated lens is better than a single layered lens. Being “better” depends on the maker’s lens treatment techniques and the quality of materials used in building the rifle scope.
Rifle Scope Lens Hydrophobic Finishing
Water on a lens does not support retaining a clear sight picture through a scope at all. Lots of top of the line or premium optic manufacturers will coat their lenses with a hydrophobic or hydrophilic finish. The Steiner Optics Nano-Protection is a fine example of this type of treatment. It treats the exterior surfaces of the Steiner optic lens so the water molecules can not bind to it or develop surface tension. The result is that the water beads sheet off of the scope to preserve a clear, water free sight picture.
Choices for Mounting Glass on Long Guns
Installing solutions for scopes come in a couple of choices. There are the standard scope rings which are individually mounted to the optic and one-piece scope mounts which cradle the scope. These different kinds of mounts also generally are made in quick release variations which use toss levers which permit rifle operators to rapidly mount and dismount the glass.
Rifle Optic Mounting Solutions with Hex Key Rings
Basic, clamp-on style mounting scope rings use hex head screws to position to the flattop style Picatinny scope mounting rails on the tops of rifles. These varieties of scope mounts use a pair of detached rings to support the scope, and are made from 7075 T6 billet aluminum which are created for long distance precision shooting. This kind of scope mount is good for rifle systems which need a durable, hard use mount which will not change no matter how much the scope is moved about or abuse the rifle takes. These are the type of mounts you should get for a dedicated optics setup on a far away scouting or tournament long gun that will seldom need to be modified or recalibrated. Blue 242 Loctite threadlocker can additionally be used on the screws to prevent the hex screw threads from backing out after they are mounted securely in place. An example of these mounting rings are the 30mm style from Vortex Optics. The set typically costs around $200 USD
Optic Mounting Solutions with Quick-Release Cantilever Rings
These kinds of quick-release rifle scope mounts can be used to quickly remove a scope from a rifle and reattach it to a different rifle. Multiple scopes can also be switched out if they all use a complementary style mount. The quick detach design is CNC machined from anodized 6061 T6 aluminum and the mounting levers attach securely to a flat top type Picatinny rail. This lets the scope to be sighted in while on the rifle, removed from the rifle, and remounted while maintaining precision. These kinds of mounts come in convenient for rifles which are transferred between vehicles a lot, to take off the glass from the rifle for protection, or for scopes which are employed between a number of rifles. An example of this mount style is the 30mm mount designed by the Vortex Optics brand. It usually costs around $250 USD
Sealing and Gas Purging for Optic Tubes
Moisture inside your rifle optic can ruin a day of shooting and your costly optic by bringing about fogging and developing residue inside of the scope tube. The majority of scopes avoid wetness from getting in the scope tube with a system of sealing O-rings which are water resistant.
About Glass Tube Gas Purging
Another component of preventing the buildup of moisture inside of the rifle optic tube is filling the tube with a gas like nitrogen. Since this area is already taken up by the gas, the optic is less affected by condition alterations and pressure variations from the outdoor environment which might possibly permit water vapor to permeate in around the seals to fill the vacuum which would otherwise be there. These are good qualities of a good rifle scope to look for.
