Last update on February 8, 2023 // Source: Amazon API
Rifle Scope Product Details
Sun Optics USA Target Hunting Hand Gun 2-7 x 32-Inch Scope
CS28-2732 Features: -1” Tube design. -100% Waterproof, shockproof & fogproof. -Precision ground, fully multi-coated optics. -True handgun/scout eye relief. Magnification: -Low (approx. 1X – 7X). Usage: -Handgun. Objective Lens Diameter: -31-40Mm. Tube Diameter: -1 Inch. Gun Type: -Handgun. Finish: -Black. Dimensions: Overall Product Weight: -0.56 Pounds.
Rifle Scope Product Features
1-Inch Tube design
Precision ground, fully multi coated optics
True handgun/scout eye relief
100% waterproof, shockproof & fogproof
About the Sun Optics USA Brand
Sun Optics USA is a premium manufacturer for long gun scopes, optics, mounting solutions, and other accessories used for guns like rifles and long guns. They design and build their scopes, mounts, and related products by making the most of materials which are durable and long lasting. This includes the Sun Optics USA Target Hunting Hand Gun 2-7 x 32-Inch Scope by Sun Optics USA. For more shooting goods, visit their site.
Info About Optics
Rifle scopes enable you to exactly align a rifle at different targets by lining up your eye with the target at range. They do this through magnification using a series of lenses within the scope. The scope’s positioning can be dialed in to account for numerous natural considerations like wind and elevation decreases to account for bullet drop.
The scope’s function is to help shooters understand exactly where the bullet will hit based upon the sight picture you are viewing with the scope as you align the scope’s crosshair or reticle with the intended target. Most contemporary rifle scopes have around eleven parts which are arranged internally and externally on the scope. These optic pieces consist of the rifle scope’s body, lenses, modification dials or turrets, focus rings, and other elements. See all eleven parts of optics.
About Optic Varieties
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. The sort of focal plane an optic has identifies where the reticle or crosshair is located in regard to the scopes magnifying adjustments. It literally suggests the reticle is behind or ahead of the magnifying lens of the optic. Looking for the most effective style of rifle glass is dependent on what variety of shooting you anticipate doing.
First Focal Plane Optic Info
Focal plane scopes (FFP) include the reticle in front of the zoom lens. These styles of scopes are helpful for:
- Quick acquisition, long distance kinds of shooting
- Shooting scenarios where computations are marginal
- Experienced shooters who recognize their target “hold over” and also “lead” ratios for their rifles
- Shooters who do not mind the reticle is enlarged and requires more visual eyesight area than a SFP reticle
Second Focal Plane Scope Details
Second focal plane glass (SFP) feature the reticle to the rear of the zoom lens. This causes the reticle to stay at the very same size relative to the amount of magnification being used. The effect is that the reticle dimensions change based upon the magnification applied to shoot over lengthier distances given that the reticle measurements represent various increments which vary with the zoom level. In the FFP illustration with the SFP optic, the 5x “zoom” one hundred yard tick would be 1/5th of the non “zoom” tick measurement. These particular types of scopes work for:
- Far away styles of shooting where shooters have additional time to make ballistic calculations
- Shooting where most shots occur within much shorter ranges and spaces
- Shooters who choose a clearer optic sight picture with less room taken up by the larger size FFP reticle
Ins and Outs of Glass Magnification
The amount of magnification a scope provides is determined by the diameter, thickness, and curvatures of the lenses inside of the rifle scope. The magnification of the scope is the “power” of the scope.
Fixed Single Power Lens Glass Facts
A single power rifle scope will have a zoom number designator like 4×32. This suggests the magnification power of the scope is 4x power while the objective lens is 32mm. The magnification of this type of scope can not adjust considering that it is a fixed power optic.
Adjustable Power Lens Scope Facts
Variable power rifle scopes use variable power levels. The power adjustment is performed using the power ring part of the scope near the back of the scope by the eye bell.
Scope Power Level and Range Correlation
Here are some recommended scope power levels and the distances where they can be effectively used. High power optics will not be as efficient as lower magnification level rifle scope glass due to the fact that too much magnification can be a negative aspect depending on your shooting distance. The exact same concept applies to longer ranges where the shooter needs enough power to see where to best aim the rifle at the target.
Lens Finishing for Scopes
All contemporary rifle scope and optic lenses are coated. There are different types and qualities of glass lens coatings. When researching high end rifle scope units, Lens finish can be a vital component of defining the capability of the rifle. The glass lenses are among the most vital pieces of the optic due to the fact that they are what your eye looks through while sighting a rifle in on the point of impact. The coating on the lenses protects the lens exterior and also helps with anti glare capabilities from excess sunrays and color visibility.
About Scope Lens Coatings – HD Versus ED
Some scope makers also use “HD” or high-definition lens coverings which use different techniques, components, polarizations, and chemicals to draw out various colors and viewable definition through the lens. Some scope makers use “HD” to refer to “ED” meaning extra-low dispersion glass.
Single Rifle Glass Lens Covering Versus Multi-Coating
Different optic lenses can even have various coatings applied to them. All lenses typically have at least some kind of treatment or covering applied to them before being used in a rifle scope or optic assembly. This is because the lens isn’t simply a raw piece of glass. It is part of the finely tuned optic. It requires a coating to be applied to it so that the lens will be efficiently functional in many types of environments, degrees of light (full VS shaded), and other shooting conditions.
This lens treatment can offer protection to the lens from scratches while lowering glare and other less helpful 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 how much you paid for it.
Some scope producers also make it a point to specify if their optic lenses are layered or “multi” coated. This means the lens has several treatments applied to them. If a lens gets several treatments, it can establish that a manufacturer is taking several steps to combat various natural factors like an anti-glare covering, a scratch resistant anti-abrasion finishing, followed by a hydrophilic coating. This also does not necessarily imply the multi-coated lens is much better than a single layered lens. Being “better” hinges on the maker’s lens treatment techniques and the quality of glass used in developing the rifle optic.
Rifle Glass Lens Hydrophobic Finish
Water on a scope’s lens doesn’t assist with retaining a clear sight picture through an optic at all. Numerous top of the line and premium scope manufacturers will coat their lenses with a hydrophobic or hydrophilic finishing. The Steiner Optics Nano-Protection is a fine example of this sort of treatment. It treats the exterior surfaces of the Steiner glass lens so the water molecules can not bind to it or develop surface tension. The result is that the water beads roll off of the scope to preserve a clear, water free sight picture.
Alternatives for Mounting Rifle Optics on Long Guns
Mounting options for scopes are available in a couple of choices. There are the basic scope rings which are separately installed to the optic and one-piece mounts which cradle the scope. These various types of mounts also normally come in quick release variations which use toss levers which enable rifle shooters to quickly install and remove the scope.
Hex Key Scope Rings
Standard, clamp design mounting scope rings use hex head screws to mount to the flattop style Picatinny scope mount rails on rifles. These types of scope mounts use two separate rings to support the optic, and are made from 7075 T6 billet aluminum which is created for long distance accuracy shooting. This type of scope mount is perfect for rifles which require a long lasting, sound mounting solution which will not move no matter how much the scope is moved or abuse the rifle takes.
Quick-Release Cantilever Rifle Optic Rings
These types of quick-release rifle scope mounts can be used to rapidly detach a scope from a rifle and reattach it to a different rifle. If they all use a similar design mount, multiple scopes can also be swapped in the field. The quick detach design is CNC crafted from anodized 6061 T6 aluminum and the mounting levers connect solidly to a flat top type Picatinny rail. This enables the scope to be sighted in while on the rifle, taken off of the rifle, and remounted while preserving accuracy. These kinds of mounts come in convenient for rifles which are transported a lot, to remove the glass from the rifle for protection, or for sight systems which are utilized in between multiple rifles. An example of this mount type is the 30mm mount from the Vortex Optics brand. It typically costs around $250 USD
Details on Optic Tube Sealing and Gas Purging
Moisture inside your rifle optic can mess up a day of shooting and your pricey optic by causing fogging and developing residue inside of the scope tube. A lot of scopes avoid wetness from entering the scope tube with a system of sealing O-rings which are water resistant.
About Rifle Scope Tube Gas Purging
Another component of avoiding the buildup of moisture within the rifle optic’s tube is filling the tube with a gas like nitrogen. Because this area is already taken up by the gas, the glass is less altered by temp shifts and pressure distinctions from the outside environment which might possibly enable water vapor to seep in around the seals to fill the vacuum which would otherwise be there. These are good qualities of a good rifle scope to seek out.