Last update on August 13, 2022 // Source: Amazon API
Rifle Scope Product Details
Schmidt Bender PMII 5-25×56 L/P DT P4Fine FFP MRAD CW
Schmidt Bender PMII 5-25×56 L/P DT P4Fine FFP MRAD CW
Rifle Scope Product Features
About the Schmidt & Bender Manufacturer
Schmidt & Bender is a premium company for firearm scopes, optics, mounts, and other add-ons used for firearms like rifles and long guns. They innovate and make their scopes, mounts, and related products using materials which are durable and long lasting. This includes the Schmidt Bender PMII 5-25×56 L/P DT P4Fine FFP MRAD CW by Schmidt & Bender. For additional shooting products, visit their website.
What You Need to Know About Rifle Glass
Rifle scopes permit you to exactly aim a rifle at various targets by lining up your eye with the target over a range. They do this through magnifying the target by employing a set of lenses inside the scope. The scope’s positioning can be adapted to take into account varied natural aspects like wind and elevation to make up for bullet drop.
The scope’s function is to help the shooter understand precisely where the bullet will hit based on the sight picture you are seeing via the optic as you align the scope’s crosshair or reticle with the intended target. Most modern rifle scopes have about eleven parts which are arranged internally and outside of the scope. These parts include the rifle scope’s body, lenses, elevation dials or turrets, focus rings, and other parts. Learn about the eleven parts of scopes.
The Varieties of Rifle Scopes
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. The form of focal plane an optic has decides where the reticle or crosshair lies relative to the scopes magnification. It actually means the reticle is located behind or before the magnifying lens of the optic. Picking the most reliable form of rifle scope is based upon what sort of shooting or hunting 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, long distance kinds of shooting
- Shooting scenarios where computations are small
- Experienced shooters who recognize their aim point “hold over” plus “lead” ratios for their long gun
- Shooters who don’t mind the reticle is enlarged and requires more visual eyesight room than a SFP reticle
Info on Second Focal Plane Scopes
Second focal plane scopes (SFP) come with the reticle to the rear of the magnifying lens. This induces the reticle to remain at the very same scale in relation to the quantity of magnification being used. The outcome is that the reticle dimensions change based upon the magnification applied to shoot over lengthier distances given that the reticle measurements present distinct increments which differ with the zoom. In the FFP illustration with the SFP scope, the 5x “zoom” 100 yard tick measurement would be 1/5th of the non “zoom” tick reticle measurement. These kinds of scopes are beneficial for:
- Long distance kinds of shooting where shooters have extra time to make ballistic calculations
- Shooting where most of the shots occur within shorter ranges and spaces
- Shooters who prefer a clearer optic sight picture without room used up by the bigger FFP reticle
The amount of zoom a scope supplies is determined by the size, density, and curvatures of the lenses inside of the rifle scope. The zoom of the scope is the “power” of the scope.
Info About Fixed Power Lens Optics
A single power rifle optic or scope will have a zoom number designator like 4×32. This indicates the magnification power of the scope is 4x power while the objective lens is 32mm. The magnification of this type of scope can not fluctuate considering that it is set from the factory.
Variable Power Lens Rifle Scopes
Variable power rifle scopes use enhanced power. The power adjustment is accomplished by making use of the power ring part of the scope near the back of the scope by the eye bell.
The Power Level and Range Correlation of Optics
Here are some recommended scope powers and the distances where they could be successfully used. Consider that high power glass will not be as practical as lower magnification level glass due to the fact that increased magnification can be a negative thing in certain situations. The same idea applies to longer distances where the shooter needs to have sufficient power to see where to properly aim the rifle at the target.
Details on Rifle Glass Lens Covering
All modern rifle optic lenses are coated. There are different types and qualities of glass lens finishings. Lens finishing can be an essential element of a rifle’s setup when looking into high end rifle optics and scope systems. The lenses are one of the most significant pieces of the optic as they are what your eye looks through while sighting a rifle in on the target. The coating on the lenses shields the lens exterior as well as assists with anti glare from excess sunshine and color recognition.
About Rifle Glass Lens Coatings – HD Versus ED
Some scope suppliers will also use “HD” or high-definition lens coatings that make the most of different procedures, polarizations, elements, and chemicals to draw out a wide range of color ranges and viewable definition through the lens. This high-definition finishing is typically used with higher density glass which drops light’s potential to refract through the lens glass. Some scope producers use “HD” to describe “ED” indicating extra-low dispersion glass. ED deals with how certain colors are represented on the chromatic spectrum and the chromatic aberration or deviance which is similarly called color distortion or fringing. Chromatic aberration can be noticeable around items with defined shapes as light hits the item from certain angles.
Details on Single Finish Versus Multi-Coating
Different scope lenses can also have different coatings 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. This is because the lens isn’t simply a raw piece of glass. It is part of the carefully tuned optic. It requires a coating to be applied to it so that it will be optimally functional in lots of kinds of environments, degrees of sunlight (full VS shaded), and other shooting conditions.
This lens treatment can safeguard the lens from scratches while reducing glare and other less advantageous 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 also make it a point to specify if their optic lenses are covered or “multi” covered. Being “much better” depends on the maker’s lens treatment innovation and the quality of materials used in building the rifle scope.
Anti-water Lens Coatings
Water on an optical lens does not help with keeping a clear sight picture through an optic in any way. Numerous top of the line or 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 kind of treatment. It treats the surface area of the Steiner scope lens so the H2O particles can not bind to it or create surface tension. The outcome is that the water beads slide off of the scope to maintain a clear, water free sight picture.
Options for Mounting Rifle Optics on Firearms
Mounting solutions for scopes come in a few options. There are the standard scope rings which are separately mounted to the scope and one-piece mounts which cradle the scope. These various kinds of mounts also normally are made in quick release variations which use manual levers which permit rifle operators to rapidly mount and remove the scope.
Hex Key Rifle Glass Rings
Basic, clamp type mounting optic rings use hex head screws to fix to the flattop style Picatinny scope mounting rails on the tops of rifles. These varieties of scope mounts use double independent rings to support the optic, and are normally constructed from 7075 T6 billet aluminum or similar materials which are designed for long distance precision shooting. This kind of scope mount is excellent for rifle systems which are in need of a durable, hard use mount which will not change regardless of just how much the scope is moved or jarring the rifle takes. These are the style of mounts you really want to have for a specialized scope setup on a reach out and touch someone hunting or sniper competition long gun which will almost never need to be altered or recalibrated. Blue 242 Loctite threadlocker can additionally be used on the mount screws to prevent the hex screw threads from wiggling out after they are installed firmly in position. An example of these rings are the 30mm style made by the Vortex Optics company. The set generally costs around $200 USD
Quick-Release Cantilever Optic Rings
These types of quick-release rifle scope mounts can be used to rapidly connect and detach a scope from a rifle before reattaching it to a different rifle. Several scopes can also be switched out if they all use a compatible design mount. These types of mounts come in handy for rifle platforms which are transported a lot, to swap out the optic from the rifle for protecting the scope, or for optics which are used in between numerous rifles.
Sealing and Gas Purging for Glass Tubes
Moisture inside your rifle scope can ruin a day of shooting and your costly optic by bringing about fogging and developing residue inside of the scope tube. Most scopes avoid wetness from getting in the scope tube with a system of sealing O-rings which are water resistant.
Glass Gas Purging
Another component of avoiding the buildup of moisture inside of the rifle optic 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 influenced by climate changes and pressure differences from the outside environment which might potentially allow water vapor to permeate in around the seals to fill the void which would otherwise be there. These are good qualities of a good rifle scope to look for.