Description
Rifle Scope Product Details
Presma 4-16X50 Precision Hunting Rifle Scope with Crystal Clear RXR and Easy to Use Range Estimation and Red, Green and Blue Illuminated Mil-Dot Reticle,
Presma 4-16X50AOL Professional Series Hunting Rifle Scope
Scope Features:
Fully Multi-Coated Lenses with advantage solution for maximum light transmission and reduction of glare and reflection
11 levels of Illuminated Red, Green, Blue, RXR Range Finding Reticle
Constructed with single piece, Aircraft-Grade Aluminum Alloy (A6061-T6) scope housing, in CNC machine
Hardened Anodized Black Matte finish housing prevents corrosion
Automated shut down power to conserve battery, memorizes the last reticle color and brightness position when the power is on
Anti-Can’t mounted Bubble level on the rear of tube provides tool of stability level
Argon filled scope housing, completely sealed with o-ring, making scope Shockproof, Waterproof, and Fog proof
Red, Green, Blue Illumination buttons placed at 45 degree for quick easy access
Compact design makes easy maneuvering possible in real hunting and shooting situations or activities
Specifications:
Magnification – 4-16X50
Scope Length – 12.9 inch
Scope Weight – 22.2 oz
Tube Diameter – 1 inch
1-Click Adj – 1/4″ MOA
Reticle Style – RXR Range Finding, RGB Illumination
Exit Pupil – 10 / 3.1 mm
Field of View (ft/100yds) – 6.5 / 26.4
Wind / Elevation Adj. Value – +/- 30 MOA
Eye Relief – 3 / 3.3 inch
Parallax (yds) – 10 to infinity
Diopter Range – +/-2
Includes:
Batteries – CR2032
Flip-Up Lens Covers
3 inch Sunshade
Cantilever Ring Mount
Rifle Scope Product Features
Premium Multi-Coated Optics for reduction of glare and reflection, while maximizing light transmission for ultimate image brightness and clarity from edge to edge
Fog Proof Red, Green and Blue Illuminated Mil-Dot, Range Finding Reticle
Shockproof, Waterproof, Single Piece, CNC Machined, Aircraft-Grade Aluminum Alloy with Hard Matte Black Finish
QTA-Quick Tactical Adjustment, 1/4 MOA Precision Wind and Elevation Adjustment
Includes 4-16X50AOL Rifle Scope, 3″ Sunshade, Lens Covers, Batteries and LIFETIME WARRANTY
About the Presma Brand
Presma is a premium company for weapon scopes, optics, mounts, and other accessories used for guns like rifles and long guns. They style and build their mounts and related products making the most of building materials which are durable and long lasting. This includes the Presma 4-16X50 Precision Hunting Rifle Scope with Crystal Clear RXR and Easy to Use Range Estimation and Red, Green and Blue Illuminated Mil-Dot Reticle, by Presma. For more shooting goods, visit their site.
Information About Rifle Scopes
Rifle scopes permit you to precisely align a rifle at different targets by aligning your eye with the target over a range. They do this through magnification by making use of a series of lenses inside the scope. The scope’s positioning can be dialed in for the consideration of different natural considerations like wind speed and elevation decreases to make up for bullet drop.
The scope’s purpose is to help the shooter understand precisely where the bullet will land based upon the sight picture you are seeing via the scope as you align the scope’s crosshair or reticle with the target. A lot of modern rifle scopes and optics have around eleven parts which are found internally and outside of the optic. These scope parts include the rifle scope’s body, lenses, modification turrets, objective focus rings, and other parts. Learn about the eleven parts of glass.
Rifle Scope Styles
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. Considering the perfect type of rifle scope is based around what type of shooting you plan to do.
About First Focal Plane Optics
Focal plane scopes (FFP) include the reticle in front of the zoom lens. These kinds of scopes are helpful for:
- Quick acquisition, long distance kinds of shooting
- Shooting circumstances where estimations are low
- Experienced shooters who know their aim point “hold over” and also “lead” ratios for their long guns
- Shooters who do not mind the reticle is enlarged and uses up more visual sight area than a SFP reticle
Second Focal Plane Glass
Second focal plane scopes (SFP) come with the reticle behind the magnification lens. This triggers the reticle to stay at the same dimensions relative to the volume of zoom being used. The effect is that the reticle dimensions alter based on the magnification employed to shoot over longer ranges because the reticle markings present distinct increments which can vary with the zoom level. In the FFP example with the SFP scope, the 5x “zoom” one hundred yard tick reticle measurement would be 1/5th of the non “zoom” tick. These particular kinds of glass work for:
- Long distance kinds of shooting where shooters have more time to make ballistic estimations
- Shooting where most shots take place within shorter distances and ranges
- Shooters who want a clearer optic picture with less area used up by the bigger FFP reticle
Ins and Outs of Rifle Optic Magnification
The amount of magnification a scope provides is identified by the size, thickness, 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 Optics
A single power rifle optic or scope will have a zoom number designator like 4×32. This means the magnification power of the scope is 4x power while the objective lens is 32mm. The zoom of this type of scope can not fluctuate given that it is fixed.
About Adjustable Power Lens Rifle Scopes
Variable power rifle scopes use enhanced power. The power adjustment is achieved by using the power ring part of the scope near the rear of the scope by the eye bell.
Power Levels and Range
Here are some advised scope powers and the ranges where they could be efficiently used. Remember that higher power scopes and optics will not be as efficient as lower magnification level scopes since increased zoom can be a negative thing in certain situations. The very same idea relates to extended distances where the shooter needs adequate power to see where to properly aim the rifle.
Rifle Scope Lens Coating
All top teir rifle scope and optic lenses are coated. Lens covering is an important element of a rifle when looking at high end rifle optics and scope equipment.
ED Versus HD Rifle Optics
Some optic companies additionally use “HD” or high-definition glass finishings which make the most of various processes, aspects, compounds, and polarizations to enhance separate color ranges and viewable target visibility through lenses. This high-definition finishing is often used with greater density lens glass which lowers light’s opportunity to refract through the lens glass. Some scope brands use “HD” to refer to “ED” indicating extra-low dispersion glass. ED deals with how certain colors are presented on the chromatic spectrum and the chromatic difference or aberration which is similarly called color distortion or fringing. Chromatic aberration is often obvious over objects with hard shapes as light hits the object from particular angles.
Single Rifle Scope Lens Coating Versus Multi-Coating
Various scope lenses can also have various coverings applied to them. All lenses usually have at least some type of treatment or covering applied to them prior to being used in a rifle scope or optic. This is due to the fact that the lens isn’t just 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 coated lenses have a treatment applied to them which is typically a protective and enhancing 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 layered lens depends upon the scope company and how much you spent on it. Both the make and cost are signs of the lens quality.
Some scope producers likewise make it a point to specify if their optic lenses are covered or “multi” covered. This implies the lens has multiple treatments applied to the surfaces of the glass. If a lens gets multiple treatments, it can indicate that a maker is taking several steps to combat different environmental elements like an anti-glare finishing, a scratch resistant anti-abrasion coating, followed by a hydrophilic coating. This also doesn’t necessarily mean the multi-coated lens is better than a single coated lens. Being “better” hinges on the producer’s lens treatment innovation and the quality of products used in constructing the rifle glass.
Info on Hydrophobic Finish
Water on a lens does not assist with maintaining a clear sight picture through a scope at all. Numerous top of the line and high-end scope companies will coat their lenses with a hydrophilic or hydrophobic covering.
Choices for Installing Glass on Firearms
Installing solutions for scopes come in a few choices. There are the standard scope rings which are separately installed to the optic and one-piece mounts which cradle the scope. These various kinds of mounts also usually come in quick release versions which use toss levers which enable rifle shooters to rapidly install and dismount the scope.
Hex Key Optic Rings
Standard, clamp style mounting scope rings use hex head screws to install to the flattop design Picatinny scope mount rails on the tops of rifles. These kinds of scope mounts use a pair of separate rings to support the optic, and are made from 7075 T6 billet aluminum which are manufactured for long distance precision shooting. This form of scope mount is excellent for rifle systems which need to have a durable, hard use mount which will not move no matter how much the scope is moved about or abuse the rifle takes. These are the type of mounts you really want to have for a dedicated scope system on a far away scouting or hard target interdiction firearm which will almost never need to be changed or adjusted. Blue 242 Loctite threadlocker can also be used on the scope mount’s screws to stop the hex screw threads from backing out after they are installed safely in place. An example of these mounting rings are the 30mm type made by 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 rapidly attach and remove a scope from a rifle before reattaching it to a different rifle. Numerous 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 transported a lot, to remove the optic from the rifle for protecting the scope, or for scopes which are used between numerous rifles.
Sealing and Gas Purging for Rifle Glass Tubes
Wetness inside your rifle glass can destroy a day of shooting and your expensive optic by inducing fogging and generating residue inside of the scope tube. A lot of optics protect against moisture from getting in the scope tube with a system of sealing O-rings which are water resistant. Typically, these water resistant optics can be submerged underneath 20 or 30 feet of water before the water pressure can push moisture past the O-rings. This should be more than enough wetness avoidance for basic use rifles, unless you anticipate taking your rifle aboard a watercraft and are worried about the scope still working if it goes over the side and you can still recover the rifle.
Gas Purged Rifle Optic Tubes
Another element of preventing the accumulation of moisture inside of the rifle scope tube is filling the tube with a gas like nitrogen. Considering that this space is already taken up by the gas, the glass is less impacted by climate alterations and pressure differences from the external environment which might potentially permit water vapor to permeate in around the seals to fill the vacuum which would otherwise exist. These are good qualities of a good rifle scope to look for.










