Description
Rifle Scope Product Details
QILU 3-9×40 Red Green Rangefinder Illuminated Reticle Optics Hunting Scope 1 Inch Tube
Specification
Tube Diameter: 25mm
Adjustment Click Value: 1/4 MOA
Adjustment Type: Click
Lens Coating: Fully Multicoated
Magnification: 3-9x
Illuminated Reticle: Yes
Battery Type: CR2032
Waterproof:Yes
Fogproof: Yes
Shockproof: Yes
Objective Bell Diameter: 40mm
Ocular Bell Diameter: 40mm
Eye Relief: 2-3”
Exit Pupil Diameter: 4.4mm
Weight: 13.5oz
Rifle Scope Product Features
Precision Aiming: The 3-9x Magnification Scope Features 1/4 MOA Click Adjustments To Improve Accuracy. 7N
Robust Design: The Scope Is Built With Extra-rigid Construction, Being Waterproof, Fogproof, And Shockproof. 6n
Parallax: The Scope Is Parallax Free At 100 Yards, Making It Easy To Target At Closer Range. 9y
Quality Construction: The Scope Comes With Multi-coated Optics, Providing Impressive Viewing Clarity. Tube Diameter 1″. Mh
Two Modes Illumination Color: Red And Green Illumination,5 Levels Brightness Adjustment,3-9x Magnification,40mm Objective Lens 19
About the QILU Manufacturer
QILU is a premium company for rifle scopes, optics, mounts, and other accessories used for firearms like rifles and long guns. They design and make their mounts, scopes, and related products using building materials which are resilient and long lasting. This includes the QILU 3-9×40 Red Green Rangefinder Illuminated Reticle Optics Hunting Scope 1 Inch Tube by QILU. For more shooting products, visit their site.
Info Scopes
Rifle scopes allow you to exactly align a rifle at different targets by aligning your eye with the target at range. They do this through magnifying the target by employing a series of lenses within the scope. The scope’s positioning can be dialed in to account for numerous ecological aspects like wind and elevation increases to account 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 seeing using the scope as you line up the scope’s crosshair or reticle with the target. Most modern-day rifle optics have about eleven parts which are arranged internally and on the exterior of the scope body. These optic pieces consist of the rifle scope’s body, lenses, elevation turrets, focus rings, and other elements. See all eleven parts of a rifle scope.
The Styles of Rifle Scopes
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 lies in regard to the optic’s zoom. It literally indicates the reticle is located behind or before the magnification lens of the scope. Looking for the most ideal style of rifle scope is based on what style of shooting or hunting you plan on doing.
Info on First Focal Plane Glass
First focal plane scopes (FFP) include the reticle before the magnification lens. This triggers the reticle to increase in size based upon the level of zoom being used. The result is that the reticle measurements are the same at the enhanced distance as they are at the non magnified range. For instance, one tick on a mil-dot reticle at 100 yards without any “zoom” is still the corresponding tick at 100 yards with 5x “zoom”. These kinds of scopes are useful for:
- Quick acquisition, far away types of shooting
- Shooting circumstances where estimations are minimal
- Experienced shooters who know their aim point “hold over” and “lead” ratios for their long gun
- Shooters who don’t mind the reticle is enlarged and requires more visual sight area than a SFP reticle
Second Focal Plane Scopes
Second focal plane optics (SFP) include the reticle to the rear of the zoom lens. In the FFP example with the SFP scope, the 5x “zoom” one hundred yard tick would be 1/5th of the non “zoom” tick.
- Far away forms of shooting where shooters have additional time to make ballistic calculations
- Shooting where most of the shots take place within shorter ranges and spaces
- Shooters who want a clearer optic picture without room used up by the enlarged FFP reticle
About Glass Zoom
The amount of scope magnification you require depends upon the sort of shooting you plan to do. Pretty much every type of rifle scope delivers some amount of magnification. The volume of magnification a scope supplies is identified by the dimension, thickness, and curves of the lenses inside of the rifle scope. The zoom of the optic is the “power” of the glass. This denotes what the shooter is checking out through the scope is amplified times the power element of what can normally be seen by human eyes.
Fixed Single Power Lens Optic Facts
A single power rifle optic or scope comes with a zoom number designator like 4×32. This implies the zoom power of the scope is 4x power while the objective lens is 32mm. The magnification of this type of scope can not change given that it is a set power scope.
Variable Power Lens Rifle Scope Info
Variable power rifle scopes can be modified between magnified settings. The power change is handled by making use of the power ring part of the scope near the back of the scope by the eye bell.
Power Levels and Range Correlations
Here are some recommended scope powers and the distances where they can be efficiently used. Remember that high magnification scopes and optics will not be as practical as lower powered scope and optics since too much magnification can be a detractor. The exact same concept applies to extended distances where the shooter needs increased power to see where to best aim the rifle.
Details on Lens Coverings
All top of the line rifle optic lenses are covered. Lens finish can be a crucial element of a rifle when thinking about high end rifle optics and scope systems.
ED Versus HD Glass
Some scope makers also use “HD” or high-definition lens finishes which use various processes, chemicals, aspects, and polarizations to draw out various colors and viewable quality through the lens. Some scope producers use “HD” to refer to “ED” indicating extra-low dispersion glass.
Scope Lens Single Finish Versus Multi-Coating
Different optic lenses can even have various finishes applied to them. All lenses normally have at least some kind of treatment or finishing applied to them before being used in a rifle scope or optic. This is due to the fact that the lens isn’t simply a raw piece of glass. It becomes part of the finely tuned optic. It requires a coating to be applied to it so that it will be efficiently usable in lots of kinds of environments, degrees of sunshine (full VS shade), and other shooting conditions.
Single layered lenses have a treatment applied to them which is typically a protective and improving multi-purpose treatment. This lens treatment can protect 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 upon the scope developer and how much money you spent paying for it. Both the make and cost are indications of the lens quality.
Some scope makers also make it a point to specify if their optic lenses are covered 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 establish that a producer is taking multiple actions to combat various environmental factors like an anti-glare coating, a scratch resistant anti-abrasion coating, followed by a hydrophilic covering. This additionally doesn’t necessarily mean the multi-coated lens is better than a single coated lens. Being “much better” depends upon the maker’s lens treatment technology and the quality of materials used in building the rifle optic.
Hydrophobic Scope Lens Covering
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 makers will coat their lenses with a hydrophilic or hydrophobic covering.
Optic Mounting Choices
Installing solutions for scopes come in a few options. There are the basic scope rings which are separately installed to the optic and one-piece scope mounts which cradle the scope. These various kinds of mounts also usually are made in quick release versions which use throw levers which enable rifle shooters to rapidly install and dismount the scope.
Rifle Glass Mounting Solutions with Hex Key Rings
Standard, clamp style mounting scope rings use hex head screws to mount to the flattop design Picatinny scope installation rails on rifles. These types of scope mounts use a couple of different rings to support the optic, and are often made from 7075 T6 billet aluminum which are developed for long range accuracy shooting. This type of scope mount is great for rifles which require a resilient, 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 types of quick-release rifle scope mounts can be used to quickly connect and remove a scope from a rifle. If they all use a similar design mount, several scopes can also be switched out in the field. The quick detach design is CNC crafted from anodized 6061 T6 aluminum and the mounting levers attach nicely to a flat top style Picatinny rail. This enables the scope to be sighted in while on the rifle, removed from the rifle, and remounted while preserving accuracy. These types of mounts are useful and convenient for shooting platforms which are hauled around a lot, to remove the optic from the rifle for protection, or for aiming systems which are utilized in between a number of rifles. An example of this mount type is the 30mm mount designed by Vortex Optics. It typically costs around $250 USD
Info on Glass Tube Sealing and Gas Purging
Moisture inside your rifle optic can mess up a day of shooting and your highly-priced optic by triggering fogging and developing residue within the scope tube. A lot of optics prevent humidity from going into the scope tube with a series of sealing O-rings which are waterproof. Typically, these optics can be immersed within 20 or 30 feet of water before the water pressure can push moisture past the O-rings. This should be plenty of wetness prevention for conventional use rifles, unless you plan on taking your rifle aboard a watercraft and are worried about the scope still performing if it is submerged in water and you can still salvage the gun.
Gas Purged Scope Tubes
Another component of avoiding the buildup of wetness within the rifle scope’s tube is filling the tube with a gas like nitrogen. Given that this area is currently occupied by the gas, the optic is less influenced by temperature alterations and pressure variations from the outdoor environment which might possibly enable water vapor to leak in around the seals to fill the vacuum which would otherwise exist. These are good qualities of a decent rifle scope to look for.
