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You are here: Home / Rifle Scopes / SECOZOOM Optics 4-50x75mm New Distance Measuring BOS Reticle Optical Sight Big Wide Field of View Military Riflescope Hunting Tactical Optical Sights .50BMG w 35mm mounts and Sunshade
SECOZOOM Rifle Scope 1 SECOZOOM Optics 4-50x75mm New Distance Measuring BOS Reticle Optical Sight Big Wide Field of View Military Riflescope Hunting Tactical Optical Sights .50BMG w 35mm mounts and Sunshade
SECOZOOM Rifle Scope 2 SECOZOOM Optics 4-50x75mm New Distance Measuring BOS Reticle Optical Sight Big Wide Field of View Military Riflescope Hunting Tactical Optical Sights .50BMG w 35mm mounts and Sunshade
SECOZOOM Rifle Scope 3 SECOZOOM Optics 4-50x75mm New Distance Measuring BOS Reticle Optical Sight Big Wide Field of View Military Riflescope Hunting Tactical Optical Sights .50BMG w 35mm mounts and Sunshade
SECOZOOM Rifle Scope 4 SECOZOOM Optics 4-50x75mm New Distance Measuring BOS Reticle Optical Sight Big Wide Field of View Military Riflescope Hunting Tactical Optical Sights .50BMG w 35mm mounts and Sunshade
SECOZOOM Rifle Scope 5 SECOZOOM Optics 4-50x75mm New Distance Measuring BOS Reticle Optical Sight Big Wide Field of View Military Riflescope Hunting Tactical Optical Sights .50BMG w 35mm mounts and Sunshade
SECOZOOM Rifle Scope 6 SECOZOOM Optics 4-50x75mm New Distance Measuring BOS Reticle Optical Sight Big Wide Field of View Military Riflescope Hunting Tactical Optical Sights .50BMG w 35mm mounts and Sunshade
SECOZOOM Rifle Scope 7 SECOZOOM Optics 4-50x75mm New Distance Measuring BOS Reticle Optical Sight Big Wide Field of View Military Riflescope Hunting Tactical Optical Sights .50BMG w 35mm mounts and Sunshade

SECOZOOM Optics 4-50x75mm New Distance Measuring BOS Reticle Optical Sight Big Wide Field of View Military Riflescope Hunting Tactical Optical Sights .50BMG w 35mm mounts and Sunshade

Was $386.50 - check current price

Check Out SECOZOOM Optics 4-50x75mm New Distance Measuring BOS Reticle Optical Sight Big Wide Field of View Military Riflescope Hunting Tactical Optical Sights .50BMG w 35mm mounts and Sunshade. See Great Rifle Scopes By SECOZOOM.

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SKU: e3bc3a141080 Category: Rifle Scopes Tag: rifle scope

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Description

Rifle Scope Product Details

SECOZOOM Optics 4-50x75mm New Distance Measuring BOS Reticle Optical Sight Big Wide Field of View Military Riflescope Hunting Tactical Optical Sights .50BMG w 35mm mounts and Sunshade
Secozoom Optics 4-50x75mm Big Wide Field of View Military Riflescope Hunting Tactical Optical Sights .50BMG w 75mm sunshade & 35mm mounts
Data Table:
Power Range: 4x-50x
Main Objective: 75mm
Ocular Lens: 37mm
FOV(ft@100yds): 26.7′-2.3′
FOV(M@100M): 8.9m-0.75m
Lens Quantity: 14
Mounting Length: 198mm
Focus Type: Side Focus
Eye relief(in): 4.95-3.1″
Reticle:Distance Measuring BOS reticle
Tube dia.(mm): 35mm
Eyepiece Dia.(in): 1.77
Finish: Matte Finish
Diopter Adjustment: -3.2~+2.1
Windage Range(in): 60MOA
Elevation Range(in): 60MOA
Click Value: 0.125MOA
Total Length: 17.35″
Structure: 1 piece monoblock
Waterproofing: Mil Spec Immersion
Fogproofing: Lifetime
Shock Resistance: 3000-5000g
Illumination: Red, Green, Black
This listing comes with 4-50×75 rifle scope+35mm one-piece mounts+75mm sunshade+cleaning cloth+flip covers for both eyepiece and objective lens

Rifle Scope Product Features

gun sniper riflescope 4-50×75 tactical scope with 75 MM objective with 35mm mounting rings & 75mm sunshade
35mm Tube Perfect on heavy,hard-hitting, large caliber rifles used for extended ranges,such as the .308, 50 BMG and 338 lapua magnum
Fully Multi-coated Green Lens
Distance Measuring BOS reticle with 5 levels Illumination
made of low dispersion ETE lenses with anti-scratch, water displacement, dust prevention, and anti-haze coatings for a crystal clear view in low light or bright.

About the SECOZOOM Manufacturer

SECOZOOM is a premium manufacturer for rifle scopes, optics, mounting solutions, and other accessories used for firearms like rifles and long guns. They design and make their mounts and related products choosing building materials which are long lasting and resilient. This includes the SECOZOOM Optics 4-50x75mm New Distance Measuring BOS Reticle Optical Sight Big Wide Field of View Military Riflescope Hunting Tactical Optical Sights .50BMG w 35mm mounts and Sunshade by SECOZOOM. For additional shooting products, visit their website.

Optic Information

Rifle scopes enable you to specifically align a rifle at various targets by lining up your eye with the target at range. They accomplish this through magnification by employing a set of lenses within the scope. The scope’s alignment can be adapted to take into account separate ecological aspects like wind speed and elevation increases to make up for bullet drop.

The scope’s purpose is to understand precisely where the bullet will hit based on the sight picture you are viewing via the optic as you align the scope’s crosshair or reticle with the target. The majority of modern rifle scopes have around eleven parts which are located inside and outside of the scope body. These scope parts consist of the rifle scope’s body, lenses, adjustment dials or turrets, focus rings, and other parts. See all eleven parts of a scope.

The Styles of Rifle Scopes

Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. Opting for the best type of rifle optic depends on what type of shooting you plan to do.

First Focal Plane Scope Info

First focal plane glass (FFP) feature the reticle ahead of the magnifying lens. This triggers the reticle to increase in size based on the amount of zoom being used. The benefit is that the reticle measurements are the same at the amplified range as they are at the non magnified distance. For example, one tick on a mil-dot reticle at 100 yards with no “zoom” is still the exact same tick at 100 yards using 5x “zoom”. These kinds of scopes are beneficial for:

  • Quick acquisition, far away kinds of shooting
  • Shooting circumstances where estimations are minimal
  • Experienced shooters who understand their target “hold over” and “lead” equations for their long gun
  • Shooters who do not mind the reticle is enlarged and takes up more visual eyesight area than a SFP reticle

About Second Focal Plane Optics

Second focal plane scopes (SFP) include the reticle behind the magnification lens. This triggers the reticle to remain at the exact same dimensions in connection with the amount of magnification being used. The end result is that the reticle dimensions adapt based on the magnification used to shoot over lengthier ranges due to the fact that the markings present various increments which vary with the magnification. In the FFP example with the SFP optic, the 5x “zoom” 100 yard tick reticle measurement would be 1/5th of the non “zoom” tick measurement. These particular sorts of glass are useful for:

  • Long distance forms of shooting where shooters have increased time to make ballistic calculations
  • Shooting where most shots occur within shorter proximities and ranges
  • Shooters who want a clearer optic sight picture without room taken up by the bigger FFP reticle

Zoom for Rifle Optics

The quantity of zoom a scope provides is figured out by the size, 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 Glass Info

A single power rifle scope or optic uses a magnification number designator like 4×32. This suggests the zoom power of the scope is 4x power and the objective lens is 32mm. The zoom of this type of scope can not fluctuate considering that it is a set power scope.

Variable Power Lens Optic Details

Variable power rifle scopes use enhanced power. The power change is accomplished by the power ring part of the scope near the rear of the scope by the eye bell.

The Power and Range Correlation of Glass

Here are some advised scope powers and the ranges where they could be efficiently used. Highly magnified scopes will not be as beneficial as lower magnification scopes since too much zoom can be a bad thing. The same relates to longer distances where the shooter needs increased power to see exactly where to properly aim the rifle.

Lens Covering for Rifle Optics

All contemporary rifle scope lenses are coated. There are different types and qualities of finishes. Lens finishing can be an essential aspect of a rifle’s setup when considering high-end rifle optics and scope equipment. The glass lenses are among the most significant components of the glass due to the fact that they are what your eye looks through while sighting a rifle in on the target. The coating on the lenses shields the lens surface area and also assists with anti glare from excess natural light and color visibility.

HD Versus ED Lenses

Some rifle scope makers will also use “HD” or high-def lens finishings which take advantage of various procedures, chemical applications, polarizations, and aspects to draw out a wide range of color ranges and viewable definition through lenses. This high-definition covering is typically used with more costly high density glass which lowers light’s capability to refract through the lens glass. Some scope vendors use “HD” to refer to “ED” suggesting extra-low dispersion glass. ED deals with how colors are represented on the chromatic spectrum and the chromatic aberration which is similarly called color distortion or fringing. Chromatic aberration is often obvious over objects with hard outlines as light hits the object from specific angles.

What to Know About Single Finishing Versus Multi-Coating

Different scope lenses can also have different finishings applied to them. All lenses usually have at least some kind of treatment or coating applied to them before being used in a rifle scope or optic. This is because the lens isn’t simply a raw piece of glass. It becomes part of the finely tuned optic. It requires a coating to be applied to it so that the lens will be optimally functional in lots of kinds of environments, degrees of sunlight (full VS shade), and other shooting conditions.

Single coated lenses have a treatment applied to them which is usually a protective and enhancing multi-purpose treatment. This lens treatment can protect the lens from scratches while decreasing glare and other less helpful things experienced in the shooting environment while sighting in with the scope. The quality of a single covered lens depends upon the scope company and how much money you paid for it. Both are indicators of the lens quality.

Some scope makers also make it a point to specify if their optic lenses are coated or “multi” coated. Being “better” depends on the producer’s lens treatment technology and the quality of materials used in developing the rifle scope.

Info on Anti-water Finishing

Water on a lens doesn’t assist with maintaining a clear sight picture through a scope at all. Lots of top of the line and high-end optic companies will coat their lenses with a hydrophilic or hydrophobic anti-water covering.

Rifle Scope Installation Choices

Installing options for scopes come in a couple of choices. There are the standard scope rings which are individually mounted to the scope and one-piece mounts which cradle the scope. These different types of mounts also typically come in quick release versions which use manual levers which allow rifle operators to quickly mount and dismount the scopes.

Hex Key Rifle Optic Ring Mounts

Standard, clamp style mounting optic rings use hex head screws to position to the flattop style Picatinny scope mounting rails on rifles. These forms of scope mounts use two independent rings to support the scope, and are made from 7075 T6 billet aluminum which are made for far away accuracy shooting. This form of scope mount is exceptional for rifles which need a resilient, hard use mount which will not shift regardless of how much the scope is moved about or jarring the rifle takes. These are the style of mounts you really want to have for a dedicated optics setup on a reach out and touch someone hunting or hard target interdiction rifle which will hardly ever need to be changed or adjusted. Blue 242 Loctite threadlocker can also be used on the mount screws to keep the hex screw threads from backing out after they are mounted firmly in position. An example of these rings are the 30mm style made by Vortex Optics. The set normally costs around $200 USD

Quick-Release Cantilever Glass Ring Mounting Solutions

These types of quick-release rifle scope mounts can be used to rapidly remove a scope and attach it to a different rifle. Several scopes can also be swapped out if they all use a similar design mount. These types of mounts are convenient for rifles which are carried a lot, to swap out the optic from the rifle for protection, or for scopes which are used in between multiple rifles or are situationally focused.

About Rifle Optic Tube Sealing and Gas Purging

Moisture inside your rifle scope can ruin a day of shooting and your costly optic by causing fogging and creating residue inside of the scope tube. Most scopes avoid wetness from entering the scope tube with a system of sealing O-rings which are waterproof.

Gas Purged Scope Tubes

Another element of preventing the buildup of wetness inside of the rifle scope tube is filling the tube with a gas like nitrogen. Given that this area is already occupied by the gas, the scope is less influenced by condition alterations and pressure variations from the outdoor environment which may possibly enable water vapor to leak in around the seals to fill the void which would otherwise be there. These are good qualities of a decent rifle scope to seek out.

Additional information

Category

Rifle Scopes

Brand

SECOZOOM

ASIN

B07KG5FDRM

Reviews

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