Last update on July 4, 2022 // Source: Amazon API
Rifle Scope Product Details
ohhunt Guardian 4-16X44 Rifle Scopes, 1/2 Half Mil Dot Reticle, Second Focal Plane, with Scope Mount, for Hunting.
Objective Lens (mm):44
Eyepiece Field of view:20
One”piece Tube: Yes
Eye Relief(inch): 3.78
Field of View (ft@100yds) email@example.com@16x
Diopter range: +/- 2
Max.Elevation/Windage(moa): 60 (Example: 50 MOA is roughly 25 MOA from center.)
Parallax Setting:20 to Inf
Sealing gas used Nitrogen
Rifle Scope Product Features
About this item
Waterproof – O-ring seals prevent moisture, dust, and debris from getting inside the tube for reliable performance in all environments.
Fogproof – Filled with argon gas to inhibit internal fogging over a wide range of temperatures.
Shockproof – Lenses are locked in place, fore and aft, with machined locking rings to remain in perfect alignment and withstand recoil and impact.
Capped Turrets Protect from accidental movement and impact;Side mounted focus controls.
About the ohhunt Brand
ohhunt is a premium producer for weapon scopes, optics, mounts, and other components used for guns like rifles and long guns. They create and build their products by making the most of materials which are resilient and long lasting. This includes the ohhunt Guardian 4-16X44 Rifle Scopes, 1/2 Half Mil Dot Reticle, Second Focal Plane, with Scope Mount, for Hunting. by ohhunt. For additional shooting products, visit their site.
Rifle Glass Info
Rifle scopes permit you to specifically aim a rifle at various targets by aligning your eye with the target at range. They do this through zoom using a set of lenses inside the scope. The scope’s alignment can be adapted for the consideration of numerous natural considerations like wind and elevation to account for bullet drop.
The scope’s purpose is to understand exactly where the bullet will hit based on the sight picture you are viewing through the optic as you line up 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 optic. These scope parts consist of the rifle scope’s body, lenses, adjustment turrets or dials, focus rings, and other elements. See all eleven parts of optics.
Rifle Scope Varieties
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. Deciding upon the optimal type of rifle optic is based on what type of shooting you plan on doing.
Info on First Focal Plane Scopes
Focal plane scopes (FFP) feature the reticle in front of the zoom lens. These styles of scopes are beneficial for:
- Quick acquisition, long distance kinds of shooting
- Shooting circumstances where calculations are minor
- Experienced shooters who understand their target “hold over” as well as “lead” equations for their firearm
- Shooters who don’t mind the reticle is enlarged and takes up more visual sight area than a SFP reticle
Second Focal Plane Optic Facts
Second focal plane scopes (SFP) come with the reticle to the rear of the magnifying lens. This induces the reticle to remain at the very same dimensions in relation to the amount of zoom being used. The outcome is that the reticle dimensions change based on the magnification used to shoot over greater ranges considering that the reticle measurements represent distinct increments which fluctuate with the zoom level. In the FFP illustration with the SFP scope, the 5x “zoom” 100 yard tick reticle measurement would be 1/5th of the non “zoom” tick reticle measurement. These particular kinds of optics are handy for:
- Long distance forms of shooting where shooters have extra time to make ballistic computations
- Shooting where most shots happen within much shorter distances and ranges
- Shooters who desire a clearer optic sight picture without area taken up by the bigger FFP reticle
Ins and Outs of Rifle Scope Magnification
The level of scope zoom you require depends upon the kind of shooting you desire to do. Practically every style of rifle glass delivers some degree of magnification. The amount of zoom a scope supplies is established by the diameter, thickness, and curvatures of the lenses inside of the rifle scope. The magnifying level of the optic is the “power” of the glass. This implies what the shooter is checking out through the scope is amplified times the power aspect of what can typically be seen by human eyes.
Fixed Single Power Lens Optic Facts
A single power rifle scope or optic comes with a zoom number designator like 4×32. This indicates the magnification power of the scope is 4x power while the objective lens is 32mm. The zoom of this kind of optic can not change given that it is a fixed power scope.
About Variable Power Lens Glass
Variable power rifle scopes can be tweaked between magnified settings. The power change is accomplished using the power ring part of the scope near the back of the scope by the eye bell.
The Power Level and Range of Rifle Glass
Here are some recommended scope powers and the ranges where they can be efficiently used. Highly magnified scopes 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 same concept relates to longer ranges where the shooter needs increased power to see exactly where to properly aim the rifle.
Lens Covering for Glass
All modern rifle scope lenses are layered. There are different types and qualities of lens coatings. Lens coating is an important aspect of a rifle’s setup when thinking of luxury rifle optics and scope units. The lenses are one of the most key pieces of the glass as they are what your eye sees through while sighting a rifle in on the target. The coating on the lenses offers protection to the lens surface area as well as helps with anti glare capabilities from excess sunrays and color profiles.
ED Versus HD Rifle Scopes
Some glass manufacturers also use “HD” or high-def glass coverings which make the most of different procedures, polarizations, chemicals, and components to draw out separate color ranges and viewable target visibility through the lens. This HD coating is normally used with greater density glass which drops light’s capability to refract by means of the lens glass. Some scope brands use “HD” to refer to “ED” meaning extra-low dispersion glass. ED handles how colors are presented on the chromatic spectrum and the chromatic aberration or difference which is similarly called color distortion or fringing. Chromatic aberration may be obvious around items with defined outlines as light hits the object from particular angles.
Rifle Optic Lens Single Covering Versus Multi-Coating
Different optic lenses can also have different finishings applied to them. All lenses typically have at least some type of treatment or finish applied to them prior to being used in a rifle scope or optic.
Single coated lenses have a treatment applied to them which is typically a protective and boosting multi-purpose treatment. This lens treatment can preserve the lens from scratches while reducing glare and other less helpful things experienced in the shooting environment while sighting in with the optic. The quality of a single coated lens depends upon the scope developer and how much you spent on it. Both the manufacturer and amount are indicators of the lens quality.
Some scope producers likewise make it a point to specify if their optic lenses are covered or “multi” covered. This indicates the lens has multiple treatments applied to the surfaces. If a lens receives numerous treatments, it can establish that a manufacturer is taking multiple actions to fight different natural elements like an anti-glare finish, a scratch resistant anti-abrasion finish, followed by a hydrophilic finishing. This additionally doesn’t always mean the multi-coated lens is better than a single covered lens. Being “better” depends on the producer’s lens treatment technology and the quality of components used in creating the rifle optic.
Anti-water Rifle Glass Lens Coating
Water on a lens does not help with maintaining a clear sight picture through a scope at all. Lots of top of the line and military grade optic makers will coat their lenses with a hydrophobic or hydrophilic anti-water finishing.
Rifle Optic Installation Choices
Mounting options for scopes come in a few choices. There are the basic scope rings which are individually installed to the scope and one-piece mounts which cradle the scope. These different types of mounts also usually come in quick release variations which use throw levers which enable rifle operators to quickly install and dismount the optics.
Hex Key Glass Rings
Standard, clamp style mounting scope rings use hex head screws to mount to the flattop style Picatinny scope installation rails on rifles. These types of scope mounts use a couple of different rings to support the optic, and are made from 7075 T6 billet aluminum which is developed for long range precision shooting. This type of scope mount is perfect for rifles which need a durable, rock solid mounting solution which will not move no matter how much the scope is moved or abused.
Optic Mounting Solutions with Quick-Release Cantilever Rings
These types of quick-release rifle scope mounts can be used to rapidly connect and remove a scope from a rifle before reattaching it to a different rifle. Numerous scopes can even be swapped out if they all use a compatible style mount. These types of mounts are handy for rifles which are transferred a lot, to swap out the optic from the rifle for protection, or for optics which are used in between multiple rifles.
About Rifle Scope Tube Sealing and Gas Purging
Moisture inside your rifle scope can spoil a day on the range and your expensive optic by triggering fogging and producing residue within the scope’s tube. A lot of scopes prevent moisture from getting in the scope tube with a series of sealing O-rings which are waterproof. Usually, these water resistant scopes can be immersed under 20 or 30 feet of water before the water pressure can push moisture past the O-rings. This should be plenty of moisture content avoidance for standard use rifles for hunting and sporting purposes, unless you anticipate taking your rifle on boats and are concerned about the optic still performing if it goes overboard and you can still salvage the rifle.
Optic Gas Purging
Another element of avoiding the accumulation of moisture within the rifle scope tube is filling the tube with a gas like nitrogen. Given that this area is already taken up by the gas, the scope is less impacted by climate alterations and pressure variations from the outdoor environment which might potentially allow water vapor to leak in around the seals to fill the void which would otherwise exist. These are good qualities of a good rifle scope to look for.