Description
Rifle Scope Product Details
German Precision Optics GPO PASSION™ 4X 3-12x56i Riflescope, G4i Illuminated Reticle, Black
German Precision Optics GPO PASSION 4X 3-12x56i Riflescope, G4i Illuminated Reticle, Black Matte R410
Rifle Scope Product Features
About the German Precision Optics Brand
German Precision Optics is a premium supplier for firearm scopes, optics, mounts, and other components used for firearms like rifles and long guns. They innovate and supply their mounts, scopes, and related products by choosing building materials which are long lasting and resilient. This includes the German Precision Optics GPO PASSION™ 4X 3-12x56i Riflescope, G4i Illuminated Reticle, Black by German Precision Optics. For more shooting goods, visit their website.
Information Rifle Optics
Rifle scopes enable you to exactly aim a rifle at different targets by lining up your eye with the target over a range. They accomplish this through zoom by using a set of lenses inside the scope. The scope’s alignment can be adjusted for consideration of varied ecological factors like wind and elevation increases or decreases to make up for bullet drop.
The scope’s purpose is to help shooters understand precisely where the bullet will land 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 have about eleven parts which are arranged internally and externally on the scope body. These parts consist of the rifle scope’s body, lenses, elevation dials or turrets, objective focus rings, and other components. Learn about the eleven parts of rifle optics.
About Glass Varieties
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. Deciding upon the perfect type of rifle optic is based around what type of shooting you plan to do.
First Focal Plane Optics
Focal plane scopes (FFP) feature the reticle in front of the magnification lens. These styles of scopes are beneficial for:
- Quick acquisition, long distance kinds of shooting
- Shooting circumstances where estimations are small
- Experienced shooters who understand their aim point “hold over” plus “lead” correlations for their long guns
- Shooters who don’t mind the reticle is enlarged and uses up more visual sight space than a SFP reticle
About Second Focal Plane Optics
Second focal plane glass (SFP) come with the reticle to the rear of the magnifying lens. This triggers the reticle to stay at the same size in connection with the volume of magnification being used. The outcome is that the reticle dimensions change based upon the magnification applied to shoot over greater distances considering the markings present various increments which change with the magnification level. In the FFP illustration with the SFP glass, the 5x “zoom” 100 yard tick reticle measurement would be 1/5th of the non “zoom” tick. These particular styles of glass work for:
- Far away kinds of shooting where shooters have extra time to make ballistic estimations
- Shooting where most shots occur within much shorter distances and ranges
- Shooters who prefer a clearer optic picture without space used up by the enlarged FFP reticle
Zoom for Scopes
The quantity of zoom a scope supplies is figured out by the size, density, and curvatures of the lenses inside of the rifle scope. The magnification of the scope is the “power” of the scope.
Fixed Power Lens Rifle Scopes
A single power rifle optic 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 kind of optic can not adjust considering that it is a set power scope.
Adjustable Power Lens Scope Facts
Variable power rifle scopes use variable power levels. The power adjustment is handled using the power ring part of the scope near the back of the scope by the eye bell.
Power and Range
Here are some recommended scope power levels and the ranges where they could be effectively used. Highly magnified glass will not be as efficient as lower magnification level scopes given that too much zoom can be a bad thing. The same applies to extended ranges where the shooter needs adequate power to see precisely where to properly aim the rifle at the target.
Details on Lens Coating
All contemporary rifle scope and optic lenses are layered. There are different types and qualities of lens finishings. When looking at high end rifle optical units, Lens finish can be an essential element of defining the rifle’s capability. The lenses are among the most significant pieces of the scope given that they are what your eye sees through while sighting a rifle in on the point of impact. The covering on the lenses protects the lens exterior and also helps with anti glare from excess daylight and color discernibility.
HD Versus ED Lenses
Some optic suppliers additionally use “HD” or high-definition lens finishings which apply various processes, chemicals, polarizations, and components to extract numerous color ranges and viewable target visibility through the lens. This HD finish is commonly used with higher density lens glass which reduces light’s potential to refract through the lens glass. Some scope brands use “HD” to describe “ED” indicating extra-low dispersion glass. ED deals with how certain colors are presented on the chroma spectrum and the chromatic deviance or aberration which is similarly called color distortion or fringing. Chromatic aberration can be obvious around things with hard outlines as light hits the item from particular angles.
Single Finish Versus Multi-Coating for Scopes
Different scope lenses can also have various coatings applied to them. All lenses generally have at least some type of treatment or finish applied to them before they are used in a rifle scope or optic. Due to the fact that the lens isn’t just a raw piece of glass, they require performance enhancing coatings. It becomes part of the finely tuned optic. It requires a coating to be applied to it so that the lens will be optimally usable in numerous types of environments, degrees of sunshine (full VS shade), and other shooting conditions.
This lens treatment can protect 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 covered lens depends on the scope manufacturer and how much you paid for it.
Some scope manufacturers also make it a point to specify if their optic lenses are covered or “multi” covered. Being “much better” depends on the producer’s lens treatment technology and the quality of materials used in building the rifle scope.
Anti-water Rifle Glass Lens Coating
Water on a lens doesn’t assist with maintaining a clear sight picture through an optic whatsoever. Many top of the line or premium optic manufacturers will coat their lenses with a hydrophilic or hydrophobic finish. The Steiner Optics Nano-Protection is a good example of this type of treatment. It deals with the surface area of the Steiner glass lens so the H2O particles can not bind to it or develop surface tension. The result is that the water beads slide off of the scope to preserve a clear, water free sight picture.
Choices for Mounting Glass on Firearms
Installing options for scopes are available in a few options. There are the basic scope rings which are individually mounted to the scope and one-piece scope mounts which cradle the scope. These different types of mounts also typically are made in quick release versions which use manual levers which permit rifle shooters to rapidly mount and dismount the scope.
Hex Key Optic Ring Mounting Solutions
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 a couple of separate rings to support the optic, and are often made from 7075 T6 billet aluminum which is designed for long range precision shooting. This type of scope install is great for rifles which need a durable, sound mounting solution which will not move no matter how much the scope is moved or abuse the rifle takes.
Quick-Release Cantilever Rifle Optic Ring Mounting Solutions
These types of quick-release rifle scope mounts can be used to quickly connect and detach a scope from a rifle before reattaching it to a different rifle. Several scopes can also be swapped out if they all use a similar style mount. These types of mounts come in handy for long guns which are carried a lot, to remove the optic from the rifle for protecting the scope, or for optics which are used between numerous rifles.
Info on Rifle Scope Tube Sealing and Gas Purging
Wetness inside your rifle glass can spoil a day on the range and your highly-priced optic by causing fogging and developing residue inside of the scope’s tube. Most optics prevent wetness from going into the scope tube with a series of sealing O-rings which are waterproof. Usually, these water-resistant optics can be immersed beneath 20 or 30 feet of water before the water pressure can force moisture past the O-rings. This should be sufficient humidity prevention for basic use rifles, unless you plan on taking your rifle on your motorboat and are concerned about the scope still performing if it is submerged in water and you can still salvage the firearm.
Gas Purged Rifle Glass Tubes
Another element of avoiding the accumulation of moisture inside of the rifle scope’s tube is filling the tube with a gas like nitrogen. Since this space is already taken up by the gas, the optic is less impacted by condition shifts and pressure variations from the outside environment which could possibly allow water vapor to seep in around the seals to fill the void which would otherwise exist. These are good qualities of a decent rifle scope to look for.







