Description
Rifle Scope Product Details
Bushnell 613510A Rimfire Optics Scope with Multi-X Reticle, 3.5-10 x 36mm, Matte
Rimfire shooters have unique demands. Those needs shouldn’t come at a sacrifice. The Rimfire optics Series delivers peak performance specifically for Rimfire rifles. This family features rimfire-specific scopes with adjustable objectives for precision shot placement on small distant targets. A caliber-specific 613510A is calibrated for the hot new 17 WSM cartridge, while a bullet drop compensating turret system makes the 3.5-10X 36mm 613510A perfect for long distance varmints.
Rifle Scope Product Features
About this item
3.5-10X magnification and a 36mm objective lens
Features a multi-x reticle
Replaceable BDC turrets for 17Hmr
Fast-focus eyepiece and a 1 inch tube
Adjustable objective
About the Bushnell Manufacturer
Bushnell is a premium supplier for firearm scopes, optics, mounts, and other accessories used for guns like rifles and long guns. They create and make their mounts, scopes, and related products by applying building materials which are resilient and long lasting. This includes the Bushnell 613510A Rimfire Optics Scope with Multi-X Reticle, 3.5-10 x 36mm, Matte by Bushnell. For additional shooting items, visit their website.
What You Need to Know About Glass
Rifle scopes permit you to specifically align a rifle at various targets by lining up your eye with the target over a distance. They do this through magnification using a series of lenses inside the scope. The scope’s positioning can be adjusted for consideration of different ecological aspects like wind and elevation increases or decreases to account for bullet drop.
The scope’s purpose is to understand precisely where the bullet will land based upon the sight picture you are viewing through the scope as you line up the scope’s crosshair or reticle with the intended point of impact. A lot of modern rifle scopes and optics have around 11 parts which are found internally and on the exterior of the optic. These parts consist of the rifle scope’s body, lenses, elevation dials, objective focus rings, and other parts. Learn about the eleven parts of rifle scopes.
The Types of Rifle Scopes
Rifle scopes can be either “first focal plane” or “second focal plane” type of optics. Finding the finest type of rifle glass is based around what type of shooting you plan to do.
First Focal Plane Glass Details
First focal plane glass (FFP) include the reticle in front of the magnification lens. This triggers the reticle to increase in size based upon the level of magnification being used. The benefit is that the reticle measurements are the same at the enhanced distance as they are at the non magnified range. For example, one tick on a mil-dot reticle at 100 yards without “zoom” is still the very same tick at one hundred yards using 5x “zoom”. These kinds of scopes work for:
- Quick acquisition, far away kinds of shooting
- Shooting situations where calculations are minor
- Experienced shooters who understand their aim point “hold over” and “lead” correlations for their firearm
- Shooters who do not mind the reticle is enlarged and takes up more visual sight room than a SFP reticle
Info on Second Focal Plane Optics
Second focal plane scopes (SFP) include the reticle behind the zoom lens. This triggers the reticle to remain at the same overall size relative to the volume of magnification being used. The result is that the reticle measurements alter based on the zoom chosen to shoot over lengthier ranges due to the fact that the markings represent different increments which change with the zoom. In the FFP example with the SFP scope, the 5x “zoom” 100 yard tick measurement would be 1/5th of the non “zoom” tick reticle measurement. These particular sorts of glass work for:
- Far away forms of shooting where shooters have more time to make ballistic calculations
- Shooting where most shots take place within much shorter ranges and distances
- Shooters who would like a clearer optic sight picture without room taken up by the enlarged FFP reticle
Zoom for Rifle Glass
The measure of scope magnification you need on your scope is based on the type of shooting you desire to do. Almost every style of rifle optic provides some amount of magnification. The volume of zoom a scope provides is established by the dimension, density, and curvatures of the lens glass within the rifle optic. The magnification level of the scope is the “power” of the glass. This signifies what the shooter is checking out through the scope is magnified times the power factor of what can usually be seen by human eyes.
About Fixed Power Lens Glass
A single power rifle optic or scope uses a zoom number designator like 4×32. This implies the magnification power of the scope is 4x power and the objective lens is 32mm. The zoom of this type of scope can not fluctuate since it is fixed.
Info on Variable Power Lens Rifle Scopes
Variable power rifle scopes can be changed between magnification increments. It will note the magnification amount in a configuration such as 2-10×32. These numbers suggest the zoom of the scope could be changed in between 2x and 10x power. This always utilizes the power levels in-between 2 and 10. The power adjustment is accomplished utilizing the power ring part of the scope near the back of the scope by the eye bell piece.
Rifle Glass Power and Range Correlation
Here are some recommended scope power settings and the ranges where they could be efficiently used. High power glass will not be as beneficial as lower magnification level optics due to the fact that too much magnification can be a bad thing. The very same idea relates to extended ranges where the shooter needs sufficient power to see exactly where to properly aim the rifle.
Glass Lens Covering
All modern rifle scope and optic lenses are layered. There are different types and qualities of glass finishes. Lens covering can be an important aspect of a rifle when looking into high end rifle optics and scope systems. The lenses are among the most important pieces of the glass considering that they are what your eye sees through while sighting a rifle in on the target. The finish on the lenses offers protection to the lens surface area and even improves anti glare capabilities from refracted natural light and color perception.
HD Versus ED Lens Coatings
Some scope makers likewise use “HD” or high-definition lens coatings which use various techniques, elements, chemicals, and polarizations to draw out separate 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.
Rifle Scope Lens Single Finish Versus Multi-Coating
Different optic lenses can also have different finishes used to them. All lenses usually have at least some type of treatment or finishing used to them before being used in a rifle scope or optic.
This lens treatment can safeguard the lens from scratches while minimizing glare and other less helpful things experienced in the shooting environment while sighting in with the scope. The quality of a single coated lens depends on the scope producer and how much you paid for it.
Some scope manufacturers also make it a point to define if their optic lenses are covered or “multi” coated. This suggests the lens has had several treatments applied to them. If a lens receives multiple treatments, it can establish that a maker is taking numerous actions to fight various environmental factors like an anti-glare covering, a scratch resistant anti-abrasion finishing, followed by a hydrophilic finishing. This also does not necessarily indicate the multi-coated lens will perform better than a single covered lens. Being “much better” depends on the producer’s lens treatment technology and the quality of glass used in creating the rifle optic.
Hydrophobic Lens Finishing
Water on a lens does not help with preserving a clear sight picture through a scope at all. Many top of the line and high-end scope makers will coat their lenses with a hydrophilic or hydrophobic anti-water finishing.
Options for Installing Optics on Long Guns
Installing solutions for scopes can be found in a few options. There are the standard scope rings which are separately mounted to the scope and one-piece mounts which cradle the scope. These various kinds of mounts also generally are made in quick release variations which use throw levers which permit rifle operators to rapidly install and dismount the glass.
Hex Key Rifle Scope Ring Mounts
Standard, clamp type mounting optic rings use hex head screws to install to the flattop design Picatinny scope mount rails on rifles. These styles of scope mounts use double separate rings to support the optic, and are normally constructed from 7075 T6 billet aluminum which are made for long distance accuracy shooting. This kind of scope mount is ideal for rifle systems which need a durable, rock solid mount which will not move regardless of how much the scope is moved or jarring the rifle takes. These are the type of mounts you want for a faithful optics setup on a reach out and touch someone hunting or sniper competition rifle which will rarely need to be changed or adjusted. Blue 242 Loctite threadlocker can additionally be used on the scope mount screws to keep the hex screw threads from backing out after they are mounted firmly in position. An example of these mounting rings are the 30mm style from the Vortex Optics company. The set usually costs around $200 USD
Quick-Release Cantilever Glass Ring Mounts
These types of quick-release rifle scope mounts can be used to quickly detach a scope from a rifle and reattach it to a different rifle. Several scopes can also be switched out if they all use a similar style mount. The quick detach design is CNC machined from anodized 6061 T6 aluminum and the mounting levers attach securely to a flat top design Picatinny rail. This permits the scope to be sighted in while on the rifle, removed from the rifle, and remounted while retaining precision. These kinds of mounts are useful and practical for rifles which are moved a lot, to take off the glass from the rifle for protection, or for aiming systems which are chosen for use in between several rifles. An example of this mount type is the 30mm mount designed by Vortex Optics. It usually costs around $250 USD
Sealing and Gas Purging for Rifle Glass Tubes
Wetness inside your rifle optic can ruin a day of shooting and your expensive optic by bringing about fogging and developing residue inside of the scope tube. The majority of scopes prevent wetness from entering the scope tube with a system of sealing O-rings which are waterproof.
About Optic Tube Gas Purging
Another component of preventing the accumulation of wetness inside of the rifle scope’s tube is filling the tube with a gas like nitrogen. Given that this area is currently taken up by the gas, the glass is less altered by temperature changes and pressure variations from the outside environment which may potentially permit water vapor to leak in around the seals to fill the void which would otherwise exist. These are good qualities of a decent rifle scope to seek out.
