Description
Rifle Scope Product Details
Schmidt Bender PM II 5-25×56 Riflescope 677-911-592-I2-H6
Schmidt Bender PM II 5-25×56 Riflescope 677-911-592-I2-H6
Rifle Scope Product Features
About the Schmidt & Bender Manufacturer
Schmidt & Bender is a premium maker for firearm scopes, optics, mounting solutions, and other add-ons used for firearms like rifles and long guns. They design and supply their scopes, mounts, and related products by applying elements which are long lasting and durable. This includes the Schmidt Bender PM II 5-25×56 Riflescope 677-911-592-I2-H6 by Schmidt & Bender. For additional shooting items, visit their website.
Info About Glass
Rifle scopes enable you to precisely aim a rifle at different targets by lining up your eye with the target at range. They accomplish this through magnifying the target by employing a series of lenses within the scope. The scope’s positioning can be dialed in to account for different ecological elements like wind and elevation to account for bullet drop.
The scope’s purpose is to understand exactly where the bullet will hit based upon the sight picture you are seeing through the optic as you align the scope’s crosshair or reticle with the intended point of impact. The majority of modern-day rifle scopes have about eleven parts which are located inside and on the exterior of the optic. These parts include the rifle scope’s body, lenses, adjustment dials or turrets, focus rings, and other components. See all eleven parts of scopes.
Rifle Scope Styles
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. Going for the perfect type of rifle glass is based on what type of shooting you plan on doing.
First Focal Plane Optic Facts
Focal plane scopes (FFP) come with the reticle in front of the zoom lens. This causes 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 amplified range as they are at the non magnified range. One tick on a mil-dot reticle at 100 yards with no “zoom” is still the identical tick at 100 yards with 5x “zoom”. These types of scopes work for:
- Quick acquisition, long distance kinds of shooting
- Shooting situations where computations are marginal
- Experienced shooters who have an idea for their aim point “hold over” plus “lead” relationships for their rifles
- Shooters who don’t mind the reticle is bigger and occupies more visual eyesight room than a SFP reticle
Second Focal Plane Glass
Second focal plane scopes (SFP) come with the reticle to the rear of 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 styles of shooting where shooters have additional time to make ballistic estimations
- Shooting where most of the shots take place within shorter distances and ranges
- Shooters who select a clearer optic picture without area used up by the larger size FFP reticle
Details on Rifle Glass Zoom
The quantity of zoom a scope supplies is figured out by the diameter, thickness, and curvatures of the lenses inside of the rifle scope. The zoom of the scope is the “power” of the scope.
Fixed Single Power Lens Rifle Optics
A single power rifle scope or optic comes with a magnification number designator like 4×32. This suggests the magnification power of the scope is 4x power while the objective lens is 32mm. The zoom of this type of optic can not change given that it is a fixed power scope.
Variable Power Lens Optics
Variable power rifle scopes have adjustable power. It will list the magnification amount in a format like 2-10×32. These numbers imply the magnification of the scope could be adjusted in between 2x and 10x power. This always includes the power levels in-between 2 and 10. The power shift is achieved by employing the power ring component of the scope near the rear of the scope by the eye bell.
The Power and Range Correlation of Rifle Optics
Here are some suggested scope power levels and the distances where they may be successfully used. High power glass will not be as effective as lower powered glass given that too much magnification can be a negative aspect depending on your shooting distance. The very same idea applies to extended distances where the shooter needs enough power to see exactly where to best aim the rifle at the target.
Scope Lens Finish
All modern rifle scope and optic lenses are covered. Lens coating can be a crucial aspect of a rifle system when looking into high end rifle optics and scope equipment.
HD Versus ED Glass Lens Coatings
Some scope brands likewise use “HD” or high-definition lens finishings which use different methods, polarizations, aspects, and chemicals to draw out different colors and viewable definition through the lens. Some scope producers use “HD” to refer to “ED” indicating extra-low dispersion glass.
Single Rifle Glass Lens Coating Versus Multi-Coating
Various optic lenses can likewise have different coverings applied to them. All lenses usually have at least some type of treatment or coating applied to them prior to being used in a rifle scope or optic.
Single coated lenses have a treatment applied to them which is usually a protective and enhancing multi-purpose treatment. This lens treatment can preserve the lens from scratches while reducing glare and other less advantageous things experienced in the shooting environment while sighting in with the optic. The quality of a single layered lens depends on the scope designer and how much you paid for it. The scope’s maker and cost are indicators of the lens quality.
Some scope makers similarly make it a point to specify if their optic lenses are coated or “multi” covered. Being “better” depends on the producer’s lens treatment technology and the quality of products used in building the rifle scope.
Info on Anti-water Finish
Water on a lens doesn’t help with maintaining a clear sight picture through a scope at all. Many top of the line and high-end optic makers will coat their lenses with a hydrophilic or hydrophobic anti-water finishing.
Rifle Glass Mounting Choices
Installing solutions for scopes are available in a couple of options. There are the standard scope rings which are separately mounted to the optic and one-piece mounts which cradle the scope. These various kinds of mounts also normally are made in quick release variations which use throw levers which permit rifle shooters to quickly mount and dismount the glass.
Hex Key Scope Rings
Standard, 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 two different rings to support the optic, and are made from 7075 T6 billet aluminum which is developed for long distance precision shooting. This type of scope mount is great for rifles which require a resilient, sound mount which will not move no matter how much the scope is moved or abused.
Rifle Optic Mounting Solutions with Quick-Release Cantilever Rings
These types of quick-release rifle scope mounts can be used to quickly connect and take off a scope from a rifle. If they all use a similar design mount, multiple scopes can also be swapped out in the field. The quick detach design is CNC machined from anodized 6061 T6 aluminum and the mounting levers connect securely to a flat top design Picatinny rail. This lets the scope to be sighted in while on the rifle, removed from the rifle, and remounted while preserving precision. These kinds of mounts come in practical for shooting platforms which are transferred a lot, to remove the optic from the rifle for protection, or for aiming systems which are used in between several rifles. An example of this mount type is the 30mm mount designed by the Vortex Optics brand. It normally costs around $250 USD
Rifle Optic Tube Sealing and Gas Purging
Moisture inside your rifle glass can mess up a day on the range and your highly-priced optic by inducing fogging and developing residue inside of the scope’s tube. Most optics protect against moisture from going into the scope tube with a system of sealing O-rings which are water resistant. Usually, these scopes can be submerged underneath 20 or 30 feet of water before the water pressure can push moisture past the O-rings. This should be more than enough moisture avoidance for basic use rifles for hunting and sporting purposes, unless you plan on taking your rifle on your motorboat and are worried about the optic still working if it goes over the side and you can still retrieve the rifle.
Gas Purged Rifle Glass Tubes
Another part of avoiding the buildup of wetness inside of the rifle scope tube is filling the tube with a gas like nitrogen. Considering that this space is already taken up by the gas, the scope is less altered by climate changes and pressure differences from the external environment which might possibly allow water vapor to seep in around the seals to fill the vacuum which would otherwise exist. These are good qualities of a good rifle scope to look for.
