Description
Rifle Scope Product Details
PASSION 6X 2.5-15x56i
German Precision Optics GPO PASSION 6X 2.5-15x56i Riflescope, G4i Reticle, Black Matte R640
Rifle Scope Product Features
30mm main tube
Super-zoom 6X technology and internal quick zero custom turrets
iControl illumination and GPObright lens coating technology
Massive lenses assure optical excellence
G4i reticle
About the German Precision Optics Brand
German Precision Optics is a premium maker for long gun scopes, optics, mounts, and other add-ons used for firearms like rifles and long guns. They innovate and make their mounts and related products working with materials which are long lasting and resilient. This includes the PASSION 6X 2.5-15x56i by German Precision Optics. For more shooting products, visit their site.
Scope Information
Rifle scopes permit you to exactly align a rifle at various targets by lining up your eye with the target at range. They do this through zoom by utilizing a series of lenses within the scope. The scope’s positioning can be dialed in for consideration of many natural elements like wind and elevation increases to account for bullet drop.
The scope’s purpose is to understand precisely where the bullet will hit based on the sight picture you are seeing using the optic as you line up the scope’s crosshair or reticle with the intended point of impact. Most modern rifle scopes and optics have about eleven parts which are located within and externally on the scope. These optic pieces consist of the rifle scope’s body, lenses, adjustment dials, focus rings, and other elements. Learn about the eleven parts of optics.
Rifle Scope Styles
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. The sort of focal plane a scope has determines where the reticle or crosshair is located in regard to the scopes zoom. It actually means the reticle is behind or in front of the magnifying lens of the scope. Picking out the most desired type of rifle glass depends upon what style of hunting or shooting you plan on undertaking.
Info About First Focal Plane Optics
Focal plane scopes (FFP) include the reticle in front of the zoom lens. These styles of scopes are helpful for:
- Quick acquisition, long distance types of shooting
- Shooting scenarios where computations are very little
- Experienced shooters who recognize their target “hold over” and also “lead” equations for their firearm
- Shooters who don’t mind the reticle is enlarged and requires more visual eyesight space than a SFP reticle
Info on Second Focal Plane Optics
Second focal plane glass (SFP) come with the reticle behind the zoom lens. This causes the reticle to stay at the very same overall size in relation to the quantity of magnification being used. The effect is that the reticle measurements alter based upon the zoom used to shoot over lengthier distances because the reticle measurements present distinct increments which vary with the magnification level. In the FFP example with the SFP scope, the 5x “zoom” 100 yard tick would be 1/5th of the non “zoom” tick reticle measurement. These kinds of optics work for:
- Far away styles of shooting where shooters have more time to make ballistic estimations
- Shooting where most of the shots take place within much shorter ranges and proximities
- Shooters who desire a clearer optic picture without area taken up by the larger sized FFP reticle
Scope Magnification
The amount of magnification a scope offers is determined by the diameter, density, and curvatures of the lenses inside of the rifle scope. The zoom of the scope is the “power” of the scope.
Fixed Power Lens Rifle Scopes
A single power rifle optic and scope uses a magnification number designator like 4×32. This means the magnification power of the scope is 4x power while the objective lens is 32mm. The magnification of this type of optic can not change considering that it is a fixed power scope.
About Variable Power Lens Optics
Variable power rifle scopes can be changed between magnification increments. It will note the magnification amount in a format such as 2-10×32. These numbers mean the zoom of the scope could be changed between 2x and 10x power. This always includes the power levels in-between 2 and 10. The power manipulation is achieved by working with the power ring part of the scope near the back of the scope by the eye bell.
The Power Level and Range of Scopes
Here are some suggested scope power levels and the distances where they could be efficiently used. Remember that higher magnification scopes will not be as effective as lower magnification level scope and optics due to the fact that excessive magnification can be a bad thing. The same concept applies to extended distances where the shooter needs to have adequate power to see exactly where to properly aim the rifle.
Info on Lens Coatings
All top teir rifle optic and scope lenses are coated. Lens finishing can be a crucial aspect of a rifle when considering high end rifle optics and scope equipment.
ED Versus HD Glass
Some scope makers likewise use “HD” or high-definition lens coatings which use different procedures, aspects, polarizations, and chemicals to draw out different colors and viewable quality through the lens. Some scope makers use “HD” to refer to “ED” implying extra-low dispersion glass.
Info on Single Finish Versus Multi-Coating
Different optic lenses can likewise have various coatings used to them. All lenses typically have at least some type of treatment or finish applied to them prior to being used in a rifle scope or optic.
Single layered lenses have a treatment applied to them which is typically a protective and improving multi-purpose treatment. This lens treatment can shield the lens from scratches while lowering 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 producer and the amount you paid for it. Both are indicators of the lens quality.
Some scope manufacturers also make it a point to define if their optic lenses are covered or “multi” coated. Being “much better” depends on the manufacturer’s lens treatment innovation and the quality of materials used in building the rifle scope.
Hydrophobic Lens Coverings
Water on a scope lens does not support keeping a clear sight picture through a scope in any way. Lots of top of the line and premium optic makers will coat their lenses with a hydrophobic or hydrophilic covering. The Steiner Optics Nano-Protection is a good example of this kind of treatment. It deals with the exterior surfaces of the Steiner scope lens so the water particles can not bind to it or develop surface tension. The result is that the water beads roll off of the scope to maintain a clear, water free sight picture.
Rifle Glass Mounting Options
Mounting options for scopes come in a few options. There are the basic scope rings which are individually installed to the scope and one-piece scope mounts which cradle the scope. These various kinds of mounts also generally come in quick release variations which use toss levers which enable rifle shooters to quickly mount and remove the glass.
Hex Key Optic Ring Mounts
Standard, clamp type mounting scope rings use hex head screws to mount to the flattop design Picatinny scope mounting rails on rifles. These styles of scope mounts use a pair of individual rings to support the scope, and are made from 7075 T6 billet aluminum which are developed for far away precision shooting. This type of scope mount is excellent for rifle systems which need to have a resilient, rock solid mount which will not change no matter how much the scope is moved or jarring the rifle takes. These are the style of mounts you want for a specialized scope setup on a reach out and touch someone scouting or competitors long gun that will almost never need to be modified or recalibrated. Blue 242 Loctite threadlocker can additionally be used on the mount screws to stop the hex screw threads from backing out after they are installed tightly in place. An example of these rings are the 30mm style from the Vortex Optics brand. The set usually costs around $200 USD
Rifle Glass Mounting Solutions with Quick-Release Cantilever Rings
These types of quick-release rifle scope mounts can be used to rapidly connect and take off a scope from a rifle. Several scopes can also be switched out if they all use a complementary designed mount. The quick detach mount style is CNC machined from anodized 6061 T6 aluminum and the mounting levers attach firmly to a flat top design Picatinny rail. This permits the scope to be sighted in while on the rifle, taken off of the rifle, and remounted back on the rifle while retaining precision. These types of mounts are useful and practical for shooting platforms which are moved a lot, to remove the scope glass from the rifle for protection, or for sight systems which are used in between a number of rifles. An example of this mount type is the 30mm mount from the Vortex Optics brand. It generally costs around $250 USD
Sealing and Gas Purging for Optic Tubes
Moisture inside your rifle scope can ruin a day of shooting and your pricey optic by bringing about fogging and creating residue inside of the scope tube. Many scopes avoid wetness from entering the scope tube with a system of sealing O-rings which are waterproof.
About Glass Tube Gas Purging
Another component of preventing the accumulation of wetness inside of the rifle optic’s tube is filling the tube with a gas like nitrogen. Since this space is currently occupied by the gas, the glass is less affected by temp shifts and pressure variations from the outside environment which could potentially enable water vapor to leak 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.







