Description
Rifle Scope Product Details
Schmidt Bender 3-27×56 PM II Riflescope 669-911-972-I5-H5
Schmidt Bender 3-27×56 PM II Riflescope 669-911-972-I5-H5
Rifle Scope Product Features
About the Schmidt & Bender Manufacturer
Schmidt & Bender is a premium supplier for rifle scopes, optics, mounting solutions, and other components used for firearms like rifles and long guns. They create and build their scopes and related products choosing elements which are resilient and long lasting. This includes the Schmidt Bender 3-27×56 PM II Riflescope 669-911-972-I5-H5 by Schmidt & Bender. For more shooting goods, visit their site.
What You Need to Know About Rifle Scopes
Rifle scopes allow you to specifically aim a rifle at different targets by lining up your eye with the target at range. They accomplish this through zoom using a series of lenses inside the scope. The scope’s positioning can be adapted for the consideration of separate ecological aspects like wind speed and elevation increases to account for bullet drop.
The scope’s function is to understand exactly where the bullet will hit based on the sight picture you are seeing through the scope as you line up the scope’s crosshair or reticle with the intended point of impact. Most contemporary rifle scopes and optics have about 11 parts which are located inside and externally on the optic. These optic pieces consist of the rifle scope’s body, lenses, windage and elevation turrets, focus rings, and other elements. See all eleven parts of a rifle scope.
The Varieties of Rifle Scopes
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. The style of focal plane an optic has identifies where the reticle or crosshair is located in regard to the scopes zoom. It actually indicates the reticle is situated behind or in front of the magnifying lens of the scope. Choosing the most suitable form of rifle glass is dependent on what kind of hunting or shooting you anticipate undertaking.
First Focal Plane Glass
First focal plane scopes (FFP) come with the reticle ahead of the zoom lens. This induces the reticle to increase in size based upon the amount of magnification being used. The result is that the reticle measurements are the same at the magnified range as they are at the non magnified range. For instance, one tick on a mil-dot reticle at 100 yards without having “zoom” is still the exact same tick at 100 yards using 5x “zoom”. These kinds of scopes are practical for:
- Quick acquisition, long distance types of shooting
- Shooting situations where estimations are low
- Experienced shooters who recognize their aim point “hold over” as well as “lead” relationships for their weapon
- Shooters who do not mind the reticle is enlarged and uses up more visual eyesight room than a SFP reticle
About Second Focal Plane Glass
Second focal plane optics (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 would be 1/5th of the non “zoom” tick.
- Far away forms of shooting where shooters have more time to make ballistic computations
- Shooting where most shots happen within much shorter ranges and spaces
- Shooters who would like a clearer optic picture with less space taken up by the bigger FFP reticle
Zoom for Rifle Scopes
The quantity of scope zoom you need on your glass is based on the sort of shooting you would like to do. Almost every type of rifle optic gives some level of zoom. The level of zoom a scope supplies is determined by the dimension, density, and curves of the lens glass inside of the rifle scope. The magnifying level of the scope is the “power” of the scope. This suggests what the shooter is checking out through the scope is magnified times the power factor of what can usually be seen by human eyes.
Single Power Lens Glass Details
A single power rifle scope uses a zoom number designator like 4×32. This indicates the magnification power of the scope is 4x power and the objective lens is 32mm. The magnification of this kind of optic can not change because it is fixed.
About Adjustable Power Lens Optics
Variable power rifle scopes have adjustable power. These types of scopes will note the magnification amount in a format like 2-10×32. These numbers mean the magnification of the scope can be set between 2x and 10x power. This always includes the power levels in-between 2 and 10. The power manipulation is accomplished by making use of the power ring component of the scope near the rear of the scope by the eye bell piece.
Power Levels and Range Correlations
Here are some advised scope power levels and the ranges where they could be effectively used. Remember that higher power optics will not be as efficient as lower magnification level scope and optics due to the fact that increased magnification can be a negative thing in certain situations. The exact same concept relates to extended distances where the shooter needs sufficient power to see where to best aim the rifle.
Lens Finish for Rifle Glass
All current rifle optic and scope lenses are layered. Lens finish can be a vital aspect of a shooting system when looking at high end rifle optics and scope equipment.
HD Versus ED Lens Coatings
Some scope makers even use “HD” or high-definition glass coverings which employ different procedures, polarizations, aspects, and chemicals to enhance various colors and viewable target visibility through lenses. This high-definition coating is often used with more costly high density lens glass which drops light’s potential to refract through the lens glass. Some scope makers use “HD” to refer to “ED” meaning extra-low dispersion glass. ED handles how certain colors are represented on the chromatic spectrum and the chromatic aberration which is similarly called color distortion or fringing. Chromatic aberration can be obvious around things with hard edges and shapes as light hits the item from various angles.
Rifle Optic Lens Single Covering Versus Multi-Coating
Various scope lenses can even have various coverings applied to them. All lenses typically have at least some type of treatment or covering applied to them before they are used in a rifle scope or optic. This is since the lens isn’t simply a raw piece of glass. It becomes part of the carefully tuned optic. It must have a covering applied to it so that the lens will be optimally functional in many kinds of environments, degrees of sunshine (full light VS shaded), and other shooting conditions.
Single coated lenses have a treatment applied to them which is typically a protective and enhancing multi-purpose treatment. This lens treatment can safeguard the lens from scratches while lowering 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 designer and the amount you paid for it. The scope’s maker and cost are indicators of the lens quality.
Some scope producers also make it a point to define if their optic lenses are layered or “multi” coated. This means the lens has had several treatments applied to the surfaces of the glass. If a lens gets multiple treatments, it can indicate that a producer is taking numerous actions to combat different environmental factors like an anti-glare covering, a scratch resistant anti-abrasion coating, followed by a hydrophilic finish. This additionally doesn’t always imply the multi-coated lens will perform better than a single layered lens. Being “better” is dependent on the manufacturer’s lens treatment technology and the quality of glass used in creating the rifle scope.
Rifle Optic Lens Hydrophobic Finish
Water on a lens doesn’t assist with preserving a clear sight picture through a scope at all. Many top of the line and high-end optic companies will coat their lenses with a hydrophilic or hydrophobic anti-water covering.
Options for Installing Scopes on Long Guns
Installing approaches for scopes can be found in a couple of options. There are the basic scope rings which are individually mounted to the scope and one-piece mounts which cradle the scope. These different kinds of mounts also usually can be found in quick release variations which use toss levers which enable rifle operators to quickly install and remove the scope.
Rifle Glass Mounts with Hex Key Rings
Standard, clamp design 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 range accuracy shooting. This type of scope mount is excellent for rifles which need a durable, rock solid mount which will not move no matter how much the scope is moved or abuse the rifle takes.
Quick-Release Cantilever Rifle Scope Ring Mounts
These kinds of quick-release rifle scope mounts can be used to rapidly take off a scope from a rifle and reattach it to a different rifle. If they all use a comparable design mount, several scopes can also be swapped on the range. The quick detach mount style is CNC crafted from anodized 6061 T6 aluminum and the mounting levers fasten tightly to a flat top design Picatinny rail. This permits the scope to be sighted in while on the rifle, removed from the rifle, and remounted back on the rifle while keeping precision. These types of mounts are useful and beneficial for rifles which are hauled around a lot, to take off the scope from the rifle for protection, or for aiming systems which are utilized between multiple rifles. An example of this mount type is the 30mm mount designed by the Vortex Optics manufacturer. It normally costs around $250 USD
Rifle Optic Tube Sealing and Gas Purging
Wetness inside your rifle glass can wreck a day on the range and your highly-priced optic by resulting in fogging and generating residue within the scope tube. A lot of scopes prevent humidity from entering the scope tube with a series of sealing O-rings which are waterproof. Usually, these water-resistant scopes can be immersed underneath 20 or 30 feet of water before the water pressure can force moisture past the O-rings. This should be more than enough humidity avoidance for standard use rifles, unless you anticipate taking your rifle aboard watercrafts and are worried about the scope still working if it goes overboard and you can still salvage the rifle.
Info Around Scope Tube Gas Purging
Another element of avoiding the accumulation of moisture within the rifle scope tube is filling the tube with a gas like nitrogen. Since this area is already occupied by the gas, the glass is less affected by temperature shifts and pressure variations from the outside environment which might possibly permit water vapor to leak in around the seals to fill the void which would otherwise be there. These are good qualities of a good rifle scope to seek out.




