Description
Rifle Scope Product Details
QILU RFS-18 Tactical Rifle Scope 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
Two Modes Illumination Color: Red And Green Illumination,5 Levels Brightness Adjustment,3-9x Magnification,40mm Objective Lens ON
Windage & Elevation Click Value: 1/4 MOA 1/4″ @ 100yards, Tool-free Click Instruction Adjustment 8a
Fully Multi-coated Lenses: Fully Multicoated Lens Coatings Increase Light Transmission For The Brightness You Need In Low-light Conditions. YQ
Field Of View: 14″-25″@100yards, 2-3″ Eye Relief , Fast-focus Eyepiece The Rangefinder Reticle Is Good For Hunting/shooting At Varying Ranges QQ
Built On True Strength Platform, Completely O-ring Sealed And Nitrogen Filled Ensures Outstanding Water And Fog-proof Performance EW
About the QILU Manufacturer
QILU is a premium supplier for weapon scopes, optics, mounts, and other components used for firearms like rifles and long guns. They style and manufacture their products using materials which are long lasting and durable. This includes the QILU RFS-18 Tactical Rifle Scope Illuminated Reticle Optics Hunting Scope 1 Inch Tube by QILU. For additional shooting products, visit their site.
What You Need to Know About Rifle Optics
Rifle scopes allow you to precisely aim a rifle at various targets by aligning your eye with the target at range. They accomplish this through zoom by making use of a set of lenses inside the scope. The scope’s alignment can be adjusted to take into account various ecological considerations like wind speed and elevation decreases to make up for bullet drop.
The scope’s purpose is to help shooters understand exactly where the bullet will hit based upon the sight picture you are seeing via the optic as you align the scope’s crosshair or reticle with the intended target. A lot of contemporary rifle scopes and optics have around eleven parts which are located within and externally on the scope body. These scope parts include the rifle scope’s body, lenses, modification turrets, objective focus rings, and other components. Learn about the eleven parts of rifle optics.
Rifle Scope Styles
Rifle scopes can be either “first focal plane” or “second focal plane” style of scopes. The sort of focal plane a scope has identifies where the reticle or crosshair is located in relation to the scopes magnification. It literally implies the reticle is situated behind or in front of the magnifying lens of the scope. Deciding on the most suitable sort of rifle optic is based upon what type of shooting or hunting you intend on doing.
About First Focal Plane Scopes
Focal plane scopes (FFP) include the reticle in front of the zoom lens. These kinds of scopes are helpful for:
- Quick acquisition, far away kinds of shooting
- Shooting circumstances where computations are marginal
- Experienced shooters who have an idea for their aim point “hold over” as well as “lead” equations for their weapon
- Shooters who do not mind the reticle is bigger and occupies more visual eyesight room than a SFP reticle
About Second Focal Plane Scopes
Second focal plane scopes (SFP) include the reticle to the rear of the magnification lens. In the FFP example with the SFP scope, the 5x “zoom” 100 yard tick measurement would be 1/5th of the non “zoom” tick measurement.
- Long distance kinds of shooting where shooters have increased time to make ballistic computations
- Shooting where most of the shots take place within much shorter spaces and ranges
- Shooters who want a clearer optic sight picture without space taken up by the larger size FFP reticle
Magnification for Scopes
The amount of zoom a scope supplies is figured out by the diameter, 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 Optic Facts
A single power rifle optic will have a magnification number designator like 4×32. This means the magnification power of the scope is 4x power and the objective lens is 32mm. The zoom of this kind of scope can not adjust since it is a set power scope.
Adjustable Power Lens Rifle Scopes
Variable power rifle scopes use variable power levels. The power modification is performed using 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 suggested scope powers and the ranges where they could be successfully used. Highly magnified glass will not be as effective as lower magnification scopes because too much zoom can be a bad thing. The very same idea applies to extended ranges where the shooter needs enough power to see where to best aim the rifle at the target.
Info on Glass Lens Finish
All state-of-the-art rifle scope lenses are layered. Lens covering is an important aspect of a rifle when thinking about high end rifle optics and scope equipment.
HD Versus ED Glass Lens Coatings
Some scope producers likewise use “HD” or high-definition lens coatings which use various methods, components, polarizations, and chemicals to draw out a wide range of colors and viewable definition through the lens. Some scope producers use “HD” to refer to “ED” to signify the lens has extra-low dispersion glass.
Single Finishing Versus Multi-Coating for Rifle Scopes
Different optic lenses can also have various coatings applied to them. All lenses normally have at least some kind of treatment or finish 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 is part of the finely tuned optic. It needs to have a covering placed on it so that the lens will be efficiently usable in lots of types of environments, degrees of sunshine (full VS shade), and other shooting conditions.
Single layered lenses have a treatment applied to them which is generally a protective and enhancing multi-purpose treatment. This lens treatment can shield the lens from scratches while reducing glare and other less useful things experienced in the shooting environment while sighting in with the scope. The quality of a single layered lens depends on the scope manufacturer and the amount you spent for it. Both are signs of the lens quality.
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.
Hydrophobic Lens Finishes
Water on an optical lens doesn’t help with preserving a clear sight picture through an optic whatsoever. Numerous top of the line or high-end scope producers will coat their lenses with a hydrophilic or hydrophobic covering. The Steiner Optics Nano-Protection is a good example of this sort of treatment. It deals with the exterior surfaces of the Steiner optic lens so the H2O particles can not bind to it or produce surface tension. The result is that the water beads roll off of the scope to preserve a clear, water free sight picture.
Glass Installation Alternatives
Installing approaches for scopes are available in a few choices. There are the basic scope rings which are individually installed to the optic and one-piece scope mounts which cradle the scope. These different types of mounts also generally are made in quick release variations which use toss levers which enable rifle operators to quickly mount and remove the optics.
Hex Key Optic Ring Mounting Solutions
Standard, clamp design mounting scope rings use hex head screws to mount to the flattop design Picatinny scope mount rails on rifles. These types of scope mounts use double independent rings to support the optic, and are made from 7075 T6 billet aluminum or similar materials which are made for far away accuracy shooting. This form of scope mount is ideal for rifle systems which need to have a long lasting, unfailing mount which will not move regardless of just how much the scope is moved about or jarring the rifle takes. These are the type of mounts you want for a devoted optics setup on a far away scouting or competitors firearm which will rarely need to be altered or adjusted. Blue 242 Loctite threadlocker can additionally be used on the scope mount screws to keep the hex screw threads from wiggling out after they are installed firmly in place. An example of these mounting rings are the 30mm type from Vortex Optics. The set normally costs around $200 USD
Rifle Scope Mounting Solutions with Quick-Release Cantilever Rings
These types of quick-release rifle scope mounts can be used to quickly attach and remove a scope from a rifle before reattaching it to a different rifle. Several scopes can also be swapped out if they all use a compatible design mount. These types of mounts are handy for rifle platforms which are carried a lot, to remove the optic from the rifle for protecting the scope, or for scopes which are used between multiple rifles or are situationally focused.
Scope Tube Sealing and Gas Purging
Moisture inside your rifle scope can destroy a day on the range and your highly-priced optic by causing fogging and creating residue within the scope’s tube. Many scopes prevent humidity from entering 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 push moisture past the O-rings. This should be sufficient humidity prevention for common use rifles, unless you anticipate taking your rifle boating and are concerned about the scope still functioning if it is submerged in water and you can still retrieve the gun.
Info on Optic Tube Gas Purging
Another part of preventing the buildup of moisture inside of the rifle optic’s tube is filling the tube with a gas like nitrogen. Because this area is currently taken up by the gas, the glass is less altered by condition alterations and pressure distinctions from the external environment which may potentially 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.










