Last update on August 12, 2022 // Source: Amazon API
Rifle Scope Product Details
Styrka S7 Series 3-12×42 Illum Plex Riflescope, Black, ST-95021-Aircraft Grade Aluminum 30mm Tube, Waterproof, SXL-MAX Coated Optics for Superior Brightness and Color-Hunting Rifle Scope-Styrka Strong
Style:3-12×42 Illum. Plex
STYRKA S7 Series Riflescopes feature STYRKA’s proprietary SXL-MAX multi-coating for increased light transmission throughout the entire optical system and across the entire visible spectrum. SLX-MAX also enhances contrast and resolution for sharper, more detailed images with natural color. STYRKA S7 riflescopes are constructed of one-piece, 30mm aircraft-grade aluminum for long-lasting durability. The only thing between you and the trophy in your crosshairs is the riflescope mounted to your firearm. At this moment of truth, just as you pull the trigger, the image you see must be as crisp and clear. That’s precisely what STYRKA S7 Series Riflescopes deliver. They are loaded with important features that culminate in a successful shot. The S7 3-12×42 with illuminated reticle provides you with more magnification than a standard 3-9x and the ability to adjust for parallax. All covered by the best warranty in the optics industry. We call it STYRKA Pride. It’s the warranty to beat all warranties. It’s simple, direct and all about you, our customer. We want you to know, before you buy a STYRKA product, that we are committed to – and invested in – making sure you have a wonderful and world-class experience. At STYRKA, we strive to make sure your experience in the field is a great one. And we stand behind our products to do just that. That’s why the STYRKA Pride Warranty is so simple. In the event of damage or malfunction, we will repair or replace your STYRKA product free of charge. No questions asked. No registration required. No receipt needed. No matter who bought it. The only caveat The warranty doesn’t cover theft, loss or intentional damage. It gets better. Send us your STYRKA product and we’ll clean and tune it up once per year. Regular maintenance helps keep your STYRKA performing like the day you bought it. Again, it’s all about the experience, and we want yours with STYRKA to be the best.
Rifle Scope Product Features
About this item
All lens surfaces are coated multiple times with our SXL-MAX anti-reflective broadband coatings for maximum brightness, color, sharpness and image contrast across the entire visible light spectrum
Blackened lens edges block stray light for reduced reflection and glare, enhancing image contrast
Rugged erector tube system is precision machined from premium brass to maintain critical accuracy and point-of-impact in extreme hunting situations
30mm 6061-T6 aircraft-grade aluminum one-piece tube construction that is strong and durable
Waterproof and nitrogen purged to prevent internal fogging
Loaded with the important features that result in premium performance and a successful shot. The S7 Series 3-12×42 provides you with more magnification than a standard 3-9x scope and has the ability to adjust for parallax with the option to illuminate the reticle.
Features and Benefits
Introducing STYRKA, a line of optics dedicated to providing hunters with outstanding products. We think it’s time for a hunting optics company to really stand behind their product. To make a commitment of excellence to you, the customer.
SXL-MAX Fully Multi-Coated Optics
All lens surfaces are coated multiple times utilizing our proprietary SXL-MAX anti- reflective flat broadband coatings for maximum brightness and optical color, sharpness and image contrast while maximizing transmission across the entire visible light spectrum.
30mm 6061-T6 Aluminum Tube
One-piece aircraft grade aluminum tube construction for added strength and durability.
Features and Benefits
Rugged Erecting Lens Tube Assembly
Precision machined from premium brass to maintain critical accuracy and point of impact in extreme hunting conditions.
Side Focus Adjustment
Allows you to make quick parallax adjustments while maintaining your shooting position.
Blackened Lens Edges
Block stray light for reduced reflection and glare, enhancing image contrast.
Waterproof and Fogproof
Fully sealed housing filled with dry nitrogen gas for performance in all conditions; submersion tested for 30 minutes in 1 meter (3.3 feet) of water.
Model Number ST-95005 ST-95006 ST-95020 / ST-95021 ST-95025 ST-95040 / ST-95041 ST-95045
Magnification 1-6x 1-6x 3-12x 3-12x 2.5-15x 2.5-15x
Objective Lens Diameter 24mm 24mm 42mm 42mm 50mm 50mm
Reticle Plex Illuminated Plex Plex / Illuminated Plex BDC Illuminated Plex / Illuminated Mil Dot BDC
Field of View (degrees) 20.4° ” 3.4° 20.4° ” 3.4° 6.6° ” 1.6° 6.6° ” 1.6° 7.9° ” 1.3° 7.9° ” 1.3°
Field of View (feet @ 100yds) 107.1 ” 17.8ft 107.1 ” 17.8ft 34.6 ” 8.4ft 34.6 ” 8.4ft 41.5 ” 6.8ft 41.5 ” 6.8ft
Tube Diameter 30mm 30mm 30mm 30mm 30mm 30mm
Parallax Adjustment Yes Yes Yes Yes Yes Yes
Parallax Setting 10yds ” 10yds ” 10yds ” 10yds ” 10yds ” 10yds ”
Exit Pupil 12.5 ” 4.0mm 12.5 ” 4.0mm 12.7 ” 3.5mm 12.7 ” 3.5mm 11.0 ” 3.3mm 11.0 ” 3.3mm
Eye Relief 3.8in 3.8in 3.9in 3.9in 3.94in 3.94in
Adjustment Gradations (clicks) MOA MOA MOA MOA MOA MOA
Elevation Adjustment Range 60 MOA 60 MOA 60 MOA 60 MOA 60 MOA 60 MOA
Windage Adjustment Range 60 MOA 60 MOA 60 MOA 60 MOA 60 MOA 60 MOA
Lens Coatings SXL-MAX Fully Multi-Coated SXL-MAX Fully Multi-Coated SXL-MAX Fully Multi-Coated SXL-MAX Fully Multi-Coated SXL-MAX Fully Multi-Coated SXL-MAX Fully Multi-Coated
Waterproof Yes Yes Yes Yes Yes Yes
Fogproof Yes Yes Yes Yes Yes Yes
Weight 18.6 oz 19.3 oz 21.4 oz / 22 oz 21.4 oz 23.8 oz 23.2 oz
Focal Plane Second Second Second Second Second Second
About the Styrka Company
Styrka is a premium company for weapon scopes, optics, mounting solutions, and other accessories used for firearms like rifles and long guns. They create and supply their scopes and related products by using building materials which are resilient and long lasting. This includes the Styrka S7 Series 3-12×42 Illum Plex Riflescope, Black, ST-95021-Aircraft Grade Aluminum 30mm Tube, Waterproof, SXL-MAX Coated Optics for Superior Brightness and Color-Hunting Rifle Scope-Styrka Strong by Styrka. For additional shooting products, visit their site.
What You Need to Know About Rifle Optics
Rifle scopes permit you to exactly aim a rifle at various targets by lining up your eye with the target at range. They accomplish this through zoom by utilizing a series of lenses inside the scope. The scope’s alignment can be adjusted for the consideration of various environmental factors like wind speed and elevation increases or decreases to account for bullet drop.
The scope’s function is to help shooters understand exactly where the bullet will land based upon the sight picture you are seeing via the optic as you line up the scope’s crosshair or reticle with the intended point of impact. Most contemporary rifle optics have about eleven parts which are located inside and outside of the scope. These optic pieces include the rifle scope’s body, lenses, adjustment dials, focus rings, and other components. See all eleven parts of a rifle optical system.
The Varieties of Rifle Scopes
Rifle scopes can be either “first focal plane” or “second focal plane” style of scopes. The type of focal plane a scope has identifies where the reticle or crosshair is located in regard to the optic’s zoom. It actually means the reticle is located behind or before the magnifying lens of the optic. Looking for the most effective style of rifle glass is based on what variety of hunting or shooting you anticipate doing.
About First Focal Plane Optics
Focal plane scopes (FFP) come with the reticle in front of the zoom lens. This causes the reticle to increase in size based upon the amount of zoom being used. The outcome is that the reticle measurements are the same at the enhanced range as they are at the non amplified distance. One tick on a mil-dot reticle at 100 yards with no “zoom” is still the exact same tick at one hundred yards by using 5x “zoom”. These kinds of scopes work for:
- Quick acquisition, long distance types of shooting
- Shooting circumstances where computations are minimal
- Experienced shooters who have an idea for their aim point “hold over” plus “lead” equations for their firearms
- Shooters who don’t mind the reticle is bigger and uses up more visual sight space than a SFP reticle
Info on Second Focal Plane Scopes
Second focal plane scopes (SFP) include the reticle to the rear of the zoom lens. In the FFP example with the SFP scope, the 5x “zoom” 100 yard tick reticle measurement would be 1/5th of the non “zoom” tick measurement.
- Far away forms of shooting where shooters have increased time to make ballistic computations
- Shooting where most shots happen within much shorter ranges and distances
- Shooters who want a clearer optic picture without space used up by the bigger FFP reticle
Zoom for Optics
The amount of zoom a scope supplies is determined by the diameter, density, and curvatures of the lenses inside of the rifle scope. The zoom of the scope is the “power” of the scope.
About Single Power Lens Rifle Glass
A single power rifle optic and scope uses a zoom number designator like 4×32. This indicates the magnification power of the scope is 4x power and the objective lens is 32mm. The zoom of this type of optic can not adjust considering that it is a fixed power scope.
Adjustable Power Lens Glass
Variable power rifle scopes use enhanced power. The power adjustment is handled by making use of the power ring part of the scope near the back of the scope by the eye bell.
The Power Level and Range Correlation of Rifle Glass
Here are some recommended scope power settings and the ranges where they can be effectively used. Keep in mind that high power scopes and optics will not be as effective as lower magnification level scopes because excessive zoom can be a negative thing in certain situations. The exact same concept applies to longer distances where the shooter needs enough power to see where to best aim the rifle.
About Lens Coverings
All modern-day rifle scope lenses are layered. There are various types and qualities of glass coverings. Lens finishing can be an essential element of a rifle’s setup when thinking of high end rifle optics and targeting equipment. The lenses are one of the most important components of the scope due to the fact that they are what your eye looks through while sighting a rifle in on the target. The finish on the lenses protects the lens exterior and also improves anti glare capabilities from refracted sunshine and color visibility.
HD Versus ED Glass Lens Coatings
Some scope manufacturers also use “HD” or high-definition lens finishings which use different processes, aspects, polarizations, and chemicals to draw out different colors and viewable definition through the lens. Some scope makers use “HD” to refer to “ED” implying extra-low dispersion glass.
Single Covering Versus Multi-Coating for Rifle Glass
Various optic lenses can also have different finishes used to them. All lenses generally have at least some type of treatment or covering applied to them prior to being used in a rifle scope or optic.
Single layered lenses have a treatment applied to them which is normally a protective and boosting multi-purpose treatment. This lens treatment can preserve the lens from scratches while reducing glare and other less beneficial things experienced in the shooting environment while sighting in with the scope. The quality of a single covered lens depends on the scope manufacturer and how much you spent for it. The scope’s maker and cost are indications of the lens quality.
Some scope manufacturers also make it a point to specify if their optic lenses are covered or “multi” covered. Being “better” depends on the maker’s lens treatment innovation and the quality of materials used in building the rifle scope.
Info on Hydrophobic Finish
Water on a scope’s lens does not support retaining a clear sight picture through an optic in any way. Many top of the line or premium optic makers will coat their lenses with a hydrophilic or hydrophobic coating. The Steiner Optics Nano-Protection is a fine example of this sort of treatment. It treats the surface area of the Steiner glass lens so the H2O molecules can not bind to it or develop surface tension. The outcome is that the water beads roll off of the scope to preserve a clear, water free sight picture.
Rifle Scope Installing Options
Mounting options for scopes can be found in a couple of options. There are the standard scope rings which are separately installed to the optic and one-piece mounts which cradle the scope. These different kinds of mounts also normally come in quick release versions which use manual levers which allow rifle shooters to quickly mount and remove the scope.
Hex Key Scope Rings
Normal, clamp design mounting scope rings use hex head screws to mount to the flattop design Picatinny scope installation rails on rifles. These types of scope mounts use two 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 excellent for rifles which require a durable, sound mount which will not move no matter how much the scope is moved or abuse the rifle takes.
Glass 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 rifle platforms which are transported a lot, to swap out the optic from the rifle for protection, or for optics which are used in between multiple rifles or are situationally focused.
Scope Tube Sealing and Gas Purging
Wetness inside your rifle scope can mess up a day of shooting and your pricey optic by causing fogging and developing residue inside of the scope tube. Many scopes prevent wetness from entering the scope tube with a system of sealing O-rings which are water resistant.
Gas Purged Rifle Glass Tubes
Another part of preventing the buildup of wetness within the rifle optic’s tube is filling the tube with a gas like nitrogen. Because this space is currently taken up by the gas, the glass is less impacted by temperature level shifts and pressure differences from the outside environment which could 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.