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You are here: Home / Rifle Scopes / PASSION 3X 3-9x40i
German Precision Optics Rifle Scope 1 PASSION 3X 3-9x40i
German Precision Optics Rifle Scope 2 PASSION 3X 3-9x40i
German Precision Optics Rifle Scope 3 PASSION 3X 3-9x40i
German Precision Optics Rifle Scope 4 PASSION 3X 4-12x50i

PASSION 3X 3-9x40i

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SKU: bfb19b04b350 Category: Rifle Scopes Tag: rifle scope

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Description

German Precision Optics...image
German Precision Optics GPO Passion 3X 3-9x40i Riflescope, G4i Reticle, Black Matte, R320

Last update on July 4, 2022 // Source: Amazon API

Rifle Scope Product Details

PASSION 3X 3-9x40i
German Precision Optics GPO PASSION 3X 3-9x40i Riflescope, G4i Reticle, Black Matte R320

Rifle Scope Product Features

1-inch main tube with 1/4 MOA rotation
Excellent eye relief and extreme field of view
Fast focus ocular and metal turret caps
iControl illumination and GPObright lens coating technology
G4i reticle

About the German Precision Optics Scope Maker

German Precision Optics is a premium manufacturer for rifle scopes, optics, mounts, and other add-ons used for firearms like rifles and long guns. They design and supply their products by applying elements which are long lasting and resilient. This includes the PASSION 3X 3-9x40i by German Precision Optics. For more shooting products, visit their website.

All About Rifle Glass

Rifle scopes permit you to precisely align a rifle at various targets by aligning your eye with the target over a distance. They accomplish this through magnification by employing a series of lenses within the scope. The scope’s alignment can be adapted to take into account varied environmental aspects like wind speed and elevation decreases to make up for bullet drop.

The scope’s purpose is to help shooters understand precisely where the bullet will land based on the sight picture you are viewing with the scope as you align the scope’s crosshair or reticle with the target. Many contemporary rifle scopes and optics have about eleven parts which are found internally and outside of the optic. These optic pieces include the rifle scope’s body, lenses, windage turrets, objective focus rings, and other components. Learn about the eleven parts of scopes.

Rifle Glass Styles

Rifle scopes can be either “first focal plane” or “second focal plane” type of optics. Considering the optimal type of rifle glass is based on what type of shooting you plan to do.

Info on First Focal Plane Scopes

First focal plane scopes (FFP) come with the reticle in front of the magnification lens. This triggers the reticle to increase in size based upon the extent of zoom being used. The benefit is that the reticle measurements are the same at the enhanced range as they are at the non magnified range. For example, one tick on a mil-dot reticle at one hundred yards with no “zoom” is still the same tick at 100 yards using 5x “zoom”. These kinds of scopes are valuable for:

  • Quick acquisition, far away kinds of shooting
  • Shooting circumstances where estimations are minimal
  • Experienced shooters who understand their target “hold over” as well as “lead” ratios for their firearm
  • Shooters who do not mind the reticle is bigger and uses up more visual sight space than a SFP reticle

About Second Focal Plane Scopes

Second focal plane scopes (SFP) include the reticle to the rear of the magnifying lens. This induces the reticle to remain at the same scale in connection with the level of zoom being used. The result is that the reticle dimensions change based upon the zoom applied to shoot over greater distances since the reticle markings represent different increments which can vary with the zoom level. In the FFP example with the SFP glass, the 5x “zoom” one hundred yard tick measurement would be 1/5th of the non “zoom” tick measurement. These varieties of optics are useful for:

  • Far away kinds of shooting where shooters have extra time to make ballistic estimations
  • Shooting where most shots happen within shorter distances and ranges
  • Shooters who like a clearer optic picture with less room taken up by the bigger FFP reticle

Ins and Outs of Rifle Scope Zoom

The extent of scope zoom you need on your glass depends upon the type of shooting you desire to do. Virtually every kind of rifle optic provides some level of zoom. The volume of zoom a scope gives is identified by the size, thickness, and curvatures of the lenses inside of the rifle scope. The magnification level of the scope is the “power” of the glass. This signifies what the shooter is observing through the scope is magnified times the power element of what can normally be seen by human eyes.

Single Power Lens Scopes

A single power rifle optic or scope will have a magnification number designator like 4×32. This suggests the zoom power of the scope is 4x power while the objective lens is 32mm. The magnification of this kind of scope can not adjust given that it is fixed.

About Adjustable Power Lens Glass

Variable power rifle scopes can be tweaked between magnified levels. The power adjustment is performed by making use of the power ring part of the scope near the rear of the scope by the eye bell.

Rifle Scope Power Level and Ranges

Here are some advised scope power levels and the distances where they could be effectively used. High power glass will not be as beneficial as lower powered optics considering too much zoom can be a negative aspect depending on your shooting distance. The same concept goes for longer distances where the shooter needs to have sufficient power to see where to properly aim the rifle at the target.

Lens Finishing for Rifle Optics

All top of the line rifle glass lenses are covered. Lens covering can be an essential element of a rifle when looking at high end rifle optics and scope systems.

Details on Glass Lens Coatings – HD Versus ED

Some rifle scope producers even use “HD” or high-definition lens coverings which make the most of various procedures, rare earth compounds, polarizations, and aspects to extract numerous colors and viewable definition through the lens. This HD finishing is typically used with greater density lens glass which lowers light’s chance to refract through the lens glass. Some scope vendors use “HD” to refer to “ED” meaning extra-low dispersion glass. ED handles how colors are presented on the chroma spectrum and the chromatic difference or aberration which is similarly called color distortion or fringing. Chromatic aberration is often obvious around objects with hard edges and shapes as light hits the object from various angles.

Single Optic Lens Finishing Versus Multi-Coating

Various optic lenses can also have various finishings used 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.

Single coated lenses have a treatment applied to them which is generally a protective and improving multi-purpose treatment. This lens treatment can shield 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 developer and how much money you spent on 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” covered. This suggests the lens has had several treatments applied to them. If a lens gets multiple treatments, it can establish that a maker is taking multiple steps to combat different environmental factors like an anti-glare coating, a scratch resistant anti-abrasion finishing, followed by a hydrophilic finishing. This additionally doesn’t necessarily imply the multi-coated lens will perform better than a single layered lens. Being “much better” depends upon the manufacturer’s lens treatment innovation and the quality of components used in constructing the rifle scope.

Rifle Glass Lens Anti-water Finishing

Water on a scope’s lens doesn’t assist with maintaining a clear sight picture through an optic in any way. Lots of top of the line and high-end optic producers will coat their lenses with a hydrophilic or hydrophobic covering. The Steiner Optics Nano-Protection is a good example of this kind of treatment. It deals with the surface area of the Steiner scope lens so the H2O particles can not bind to it or produce surface tension. The result is that the water beads move off of the scope to keep a clear, water free sight picture.

Glass Installation Options

Mounting approaches for scopes come in a few options. There are the standard scope rings which are separately mounted to the scope and one-piece scope mounts which cradle the scope. These different kinds of mounts also generally come in quick release variations which use throw levers which permit rifle operators to rapidly mount and dismount the scope.

Hex Key Optic Rings

Standard, clamp design mounting optic rings use hex head screws to mount to the flattop design Picatinny scope mounting rails on rifles. These types of scope mounts use a pair of independent rings to support the scope, and are usually constructed from 7075 T6 billet aluminum or similar materials which are designed for long distance accuracy shooting. This type of scope mount is great for rifles which require a long lasting, hard use mount which will not change no matter how much the scope is moved or abuse the rifle takes. These are the style of mounts you really want to have for a faithful scope setup on a reach out and touch someone hunting or hard target interdiction long gun which will pretty much never need to be changed or recalibrated. Blue 242 Loctite threadlocker can additionally be used on the scope mount screws to prevent the hex screw threads from backing out after they are installed safely in position. An example of these rings are the 30mm type from Vortex Optics. 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. Multiple scopes can also be switched out if they all use a compatible design mount. These types of mounts are handy for rifles which are transported a lot, to remove 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 mess up a day of shooting and your expensive optic by causing fogging and developing residue inside of the scope tube. Most scopes avoid wetness from going into the scope tube with a system of sealing O-rings which are water resistant.

Rifle Scope Gas Purging

Another component of avoiding the accumulation of wetness within the rifle optic tube is filling the tube with a gas like nitrogen. Considering that this area is currently occupied by the gas, the glass is less influenced by temperature level shifts and pressure differences from the external environment which could potentially permit water vapor to leak in around the seals to fill the void which would otherwise be there. These are good qualities of a decent rifle scope to seek out.

Additional information

Category

Rifle Scopes

Brand

German Precision Optics

ASIN

B06XBWC8HF

Reviews

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