Description
Rifle Scope Product Details
Osprey Global 10-40×50 Illuminated Mil-Dot Glass Reticle 30mm-Tube TA Riflescope, Matte Black (10-40x 50mm)
This scope will meet your demands for extreme hunting scenarios. Osprey’s top-tiered Hoya glass and pinpoint accuracy reticle is built to exceed your expectations. Our rifle scope line is assembled in China, where we utilize Chinese labor but not Chinese components. What makes our products stand apart from the rest is our Hoya glass imported from Japan and 3M and loc-tite two-part epoxies and hermetic grease from the US for all bonding applications. 100% of the units are inspected for fog-proofing and water-proofing, and every scope is tested and warranted for shock to 50BMG parameters. Each scope is also spin-centered for balance and possess fully, multi-coated glass lenses throughout with glass-etched reticles.
Rifle Scope Product Features
Length: 14.625-Inch, weight: 27.8-Ounce, tube: 30mm
Objective: 56mm, eye relief: 7.09 to 3.54-Inch, MOA: 1/4
Dust covers and ring mounts included, optional 4-Inch 56mm sunshade available
Magnification: 5-30, reticle: Mil-Dot, illuminated Mil-Dot glass reticle (red, green, and blue illumination)
Fog-proof, shock-proof and water-proof
About the Osprey Global Company
Osprey Global is a premium producer for rifle scopes, optics, mounts, and other accessories used for firearms like rifles and long guns. They style and manufacture their scopes, mounts, and related products by making the most of elements which are resilient and long lasting. This includes the Osprey Global 10-40×50 Illuminated Mil-Dot Glass Reticle 30mm-Tube TA Riflescope, Matte Black (10-40x 50mm) by Osprey Global. For additional shooting goods, visit their website.
What You Need to Know About Rifle Glass
Rifle scopes allow you to precisely align a rifle at different targets by aligning your eye with the target over a range. They do this through magnifying the target by making use of a set of lenses within the scope. The scope’s alignment can be adapted for consideration of various ecological considerations like wind speed and elevation increases or decreases to make up for bullet drop.
The scope’s purpose is to understand precisely where the bullet will hit based upon the sight picture you are seeing through the scope as you line up the scope’s crosshair or reticle with the intended target. A lot of modern rifle scopes and optics have about 11 parts which are arranged internally and outside of the optic. These scope parts include the rifle scope’s body, lenses, adjustment turrets or dials, focus rings, and other parts. See all eleven parts of a rifle optical system.
Rifle Optic Varieties
Rifle scopes can be either “first focal plane” or “second focal plane” kind of scopes. The type of focal plane a scope has determines where the reticle or crosshair lies in relation to the optic’s magnification. It literally means the reticle is behind or ahead of the magnifying lens of the scope. Looking for the most reliable sort of rifle glass is based upon what style of hunting or shooting you plan on doing.
About First Focal Plane Scopes
Focal plane scopes (FFP) feature the reticle in front of the magnification lens. These kinds of scopes are beneficial for:
- Quick acquisition, far away types of shooting
- Shooting situations where calculations are low
- Experienced shooters who have an idea for their target “hold over” as well as “lead” equations for their rifles
- Shooters who do not mind the reticle is bigger and takes up more visual sight room than a SFP reticle
About Second Focal Plane Optics
Second focal plane scopes (SFP) come with the reticle behind 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 forms of shooting where shooters have increased time to make ballistic calculations
- Shooting where most of the shots happen within much shorter proximities and ranges
- Shooters who desire a clearer optic picture with less room taken up by the larger size FFP reticle
Rifle Glass Magnification
The quantity of scope zoom you need on your scope depends upon the form of shooting you want to do. Practically every type of rifle optic supplies some degree of magnification. The level of magnification a scope provides is established by the diameter, thickness, and curves of the lenses within the rifle scope. The magnification of the scope is the “power” of the opic. This signifies what the shooter is checking out through the scope is magnified times the power element of what can usually be seen by human eyes.
Single Power Lens Rifle Optics
A single power rifle optic uses a magnification 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 optic can not adjust considering that it is a set power scope.
Variable Power Lens Rifle Scope Facts
Variable power rifle scopes have adjustable power. These types of scopes will list the magnification level in a format like 2-10×32. These numbers indicate the magnification of the scope could be changed between 2x and 10x power. This always incorporates the powers in-between 2 and 10. The power modification is accomplished by employing the power ring component of the scope near the back of the scope by the eye bell piece.
Power and Range
Here are some suggested scope power settings and the ranges where they can be successfully used. Bear in mind that high power optics will not be as practical as lower magnification level optics and scopes since excessive magnification can be a detractor. The exact same concept relates to longer distances where the shooter needs to have enough power to see precisely where to properly aim the rifle.
Details on Optic Lens Finish
All present day rifle glass lenses are covered. Lens finishing is a crucial aspect of a rifle when thinking about high end rifle optics and scope equipment.
HD Versus ED Lens Coatings
Some scope producers also use “HD” or high-definition lens finishings which use different techniques, chemicals, aspects, and polarizations to draw out separate colors and viewable quality through the lens. Some scope producers use “HD” to refer to “ED” indicating extra-low dispersion glass.
Single Coating Versus Multi-Coating
Different optic lenses can even have various finishings applied to them. All lenses normally have at least some type of treatment or coating applied to them prior to being used in a rifle scope or optic assembly. Because 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 efficiently usable in lots of kinds of environments, degrees of sunshine (full VS shade), and other shooting conditions.
Single layered lenses have a treatment applied to them which is usually a protective and boosting multi-purpose treatment. This lens treatment can shield the lens from scratches while minimizing 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 upon the scope developer and how much you spent paying for it. Both the make and cost are indicators of the lens quality.
Some scope makers similarly make it a point to specify if their optic lenses are covered or “multi” coated. Being “better” depends on the manufacturer’s lens treatment technology and the quality of products used in building the rifle scope.
Anti-water Finish for Rifle Scopes
Water on a lens does not help with keeping a clear sight picture through a scope at all. Many top of the line and military grade scope companies will coat their lenses with a hydrophilic or hydrophobic coating.
Choices for Mounting Rifle Glass on Firearms
Mounting solutions for scopes can be found in a few choices. There are the standard scope rings which are individually installed to the optic and one-piece scope mounts which cradle the scope. These various kinds of mounts also usually can be found in quick release versions which use toss levers which permit rifle operators to rapidly install and remove the glass.
Hex Key Rifle Scope Rings
Normal, clamp style mounting scope rings use hex head screws to mount to the flattop style Picatinny scope installation rails on rifles. These types of scope mounts use a couple of different rings to support the optic, and are often made from 7075 T6 billet aluminum which is created for long distance precision shooting. This type of scope mount is perfect for rifles which require a resilient, rock solid mounting solution 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 rapidly connect and remove a scope from a rifle before reattaching it to a different rifle. Multiple scopes can also be swapped out if they all use a similar design mount. These types of mounts come in handy for long guns which are transferred a lot, to remove the optic from the rifle for protecting the scope, or for optics which are used in between several rifles or are situationally focused.
Sealing and Gas Purging for Rifle Glass Tubes
Moisture inside your rifle glass can mess up a day on the range and your pricey optic by causing fogging and producing residue inside of the scope’s tube. Most scopes prevent humidity from entering the optical tube with a system of sealing O-rings which are waterproof. Usually, these water-resistant scopes can be submerged beneath 20 or 30 feet of water before the water pressure can push moisture past the O-rings. This should be ample wetness avoidance for conventional use rifles, unless you plan on taking your rifle on a boat and are worried about the scope still functioning if it goes over the side and you can still retrieve the firearm.
Rifle Optic Gas Purging
Another part of avoiding the accumulation of wetness inside of the rifle optic tube is filling the tube with a gas like nitrogen. Considering that this area is currently taken up by the gas, the scope is less altered by temperature alterations and pressure differences from the external environment which might possibly allow water vapor to leak in around the seals to fill the vacuum which would otherwise be there. These are good qualities of a decent rifle scope to seek out.







