Description
Rifle Scope Accessory Product Details
Sightmark L105.5mm Sun Shade for TD Riflescope Accessory
Eliminate glare and sun reflections off the objective lens by adding the D50mm Sun Shade to your Sightmark 50mm Triple Duty Riflescope. This black anodized sunshade uses a screw-in assembly that attaches easily, keeping dust and rain off the lens.
Rifle Scope Accessory Product Features
About this item
Eliminates glare in bright conditions
Keeps dust/rain off objective lens
black finish
Developing Products That Work As Hard As You Do
Long hours, harsh weather, dangerous pursuits: it’s all in a day’s work. You’re devoted to protecting others so your equipment needs to work as hard as you do. Whether you’re in the line of duty, defending your home or serving as a protector of peace- you can rest assured that accuracy and quality come standard in every Sightmark product.
Our goal is to provide state-of-the-art optics and accessories to make the modern shotgun, rifle & pistol as accurate as possible. In addition, each product is designed for the core market, enabling shooters to purchase more high quality items to accessorize their firearm for various needs.
Sightmark has earned several patents and awards from industry associations and publications including Field & Stream, Optics Planet, Outdoor Life and Predator Xtreme. Numerous optics and accessories have been field tested and approved by prominent outdoor organizations such as the North American Hunting Club and the National Tactical Officers Association.
Best Sellers
Riflescopes: When you pick up a Sightmark Riflescope, what you will find is a product that has been crafted to match your pursuit. From tactical setups to a hunting scope fitted on your favorite rifle, each optic is designed for a range and reticle style to best match the conditions you’ll find in the field. Embracing this concept, Sightmark is able to provide a riflescope for every shooter.
Riflescopes
Red Dot Sights/Reflex Sights
Boresights
Digital Night Vision Riflescopes
Tactical
Mil-Spec Driven
Hunting
Field Qualified
Competition
Range Tested
Whether you’re a 3-gun competition shooter, or a dedicated hunter, laying a foundation at the shooting bench is essential, no matter the pursuit. Devoting serious time at the range provides the repetition needed to build confidence in your abilities as a marksman.
At Sightmark, our goal is to deliver confidence by creating optics and accessories that every shooter can rely on. We understand what it takes to prepare and we know that the hours spent hunched over a shooting bench at the range are meaningless unless your products do their job. From riflescopes and binoculars to night vision technology and red dots, Sightmark is committed in our pursuit of building durable, accurate optics you can trust.
About the Sightmark Manufacturer
Sightmark is a premium manufacturer for firearm scopes, optics, mounts, and other add-ons used for firearms like rifles and long guns. They design and supply their mounts and related products working with building materials which are long lasting and resilient. This includes the Sightmark L105.5mm Sun Shade for TD Riflescope Accessory by Sightmark. For additional shooting products, visit their website.
What You Need to Know About Rifle Glass
Rifle scopes enable you to specifically aim a rifle at various targets by lining up your eye with the target at range. They do this through magnifying the target using a set of lenses inside the scope. The scope’s alignment can be adjusted for the consideration of separate environmental things like wind speed and elevation decreases to account for bullet drop.
The scope’s function is to help shooters understand precisely where the bullet will land based upon the sight picture you are viewing through the optic as you align the scope’s crosshair or reticle with the intended point of impact. Most contemporary rifle scopes have around 11 parts which are found within and on the exterior of the scope. These optic pieces include the rifle scope’s body, lenses, elevation turrets, objective focus rings, and other elements. Learn about the eleven parts of scopes.
The Types of Rifle Scopes
Rifle scopes can be either “first focal plane” or “second focal plane” type of scopes. Deciding upon the optimal type of rifle glass is based around what type of shooting you plan to do.
About First Focal Plane Glass
Focal plane scopes (FFP) feature the reticle in front of the magnifying lens. This induces the reticle to increase in size based upon the extent of zoom being used. The benefit is that the reticle measurements are the same at the enhanced distance as they are at the non amplified distance. For example, one tick on a mil-dot reticle at one hundred yards without “zoom” is still the corresponding tick at 100 yards using 5x “zoom”. These types of scopes work for:
- Quick acquisition, far away kinds of shooting
- Shooting circumstances where calculations are marginal
- Experienced shooters who understand their target “hold over” as well as “lead” correlations for their weapon
- Shooters who don’t mind the reticle is bigger and requires more visual sight area than a SFP reticle
About Second Focal Plane Glass
Second focal plane optics (SFP) include the reticle to the rear of the magnification lens. In the FFP example with the SFP scope, the 5x “zoom” 100 yard tick measurement would be 1/5th of the non “zoom” tick.
- Long distance types of shooting where shooters have extra time to make ballistic estimations
- Shooting where most shots occur within shorter spaces and ranges
- Shooters who want a clearer optic picture with less area used up by the bigger FFP reticle
Details on Optic Zoom
The quantity of magnification a scope offers 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.
About Single Power Lens Glass
A single power rifle scope uses a zoom number designator like 4×32. This suggests the zoom power of the scope is 4x power and the objective lens is 32mm. The magnification of this type of scope can not fluctuate given that it is set from the factory.
About Adjustable Power Lens Rifle Optics
Variable power rifle scopes can be changed between magnification levels. It will list the magnification degree in a configuration like 2-10×32. These numbers imply the zoom of the scope can be set between 2x and 10x power. This additionally incorporates the powers in-between 2 and 10. The power manipulation is achieved using the power ring part of the scope near the rear of the scope by the eye bell.
The Power Level and Range of Glass
Here are some suggested scope power settings and the ranges where they can be efficiently used. High power rifle scope glass will not be as useful as lower magnification scopes since too much magnification can be a bad thing. The same relates to longer distances where the shooter needs to have adequate power to see exactly where to best aim the rifle at the target.
Scope Lens Coating
All contemporary rifle scope lenses are layered. There are different types and qualities of glass finishes. Lens covering can be a crucial element of a rifle when considering high-end rifle optics and targeting systems. The lenses are among the most vital parts of the glass since they are what your eye sees through while sighting a rifle in on the point of impact. The coating on the lenses offers protection to the lens surface area as well as improves anti glare capabilities from excess direct sunlight and color discernibility.
HD Versus ED Lens Coatings
Some scope manufacturers additionally use “HD” or high-definition lens finishes that make the most of different processes, elements, polarizations, and chemicals to draw out different colors and viewable target visibility through lenses. This high-def coating is frequently used with more costly, high density lens glass which decreases light’s chance to refract through the lens glass. Some scope manufacturers use “HD” to refer to “ED” implying extra-low dispersion glass. ED handles how certain colors are represented on the chromatic spectrum and the chromatic aberration or deviance which is similarly called color distortion or fringing. Chromatic aberration can be noticeable over items with well defined shapes as light hits the item from certain angles.
Single Finishing Versus Multi-Coating
Various scope lenses can even have different finishes applied to them. All lenses typically have at least some type of treatment or coating applied to them prior to being used in a rifle scope or optic assembly. Due to the fact that the lens isn’t simply a raw piece of glass, they require performance enhancing coatings. It is part of the carefully tuned optic. It must have a coating placed on it so that the lens will be optimally usable in lots of types of environments, degrees of sunlight (full light VS shade), and other shooting conditions.
Single layered lenses have a treatment applied to them which is generally a protective and enhancing multi-purpose treatment. This lens treatment can safeguard the lens from scratches while reducing glare and other less useful things experienced in the shooting environment while sighting in with the scope. The quality of a single covered lens depends upon the scope developer and the amount you spent paying for it. Both the make and cost are indications of the lens quality.
Some scope makers also make it a point to define if their optic lenses are covered or “multi” covered. This implies the lens has multiple treatments applied to the surfaces. If a lens receives several treatments, it can prove that a company is taking numerous actions to combat various environmental factors like an anti-glare finishing, a scratch resistant anti-abrasion finishing, followed by a hydrophilic coating. This also doesn’t always imply the multi-coated lens will perform better than a single covered lens. Being “much better” depends on the producer’s lens treatment techniques and the quality of products used in creating the rifle optic.
Anti-water Lens Covering
Water on a lens does not help with preserving a clear sight picture through a scope at all. Lots of top of the line and high-end optic makers will coat their lenses with a hydrophilic or hydrophobic finish.
Choices for Mounting Glass on Long Guns
Mounting approaches for scopes come in a few options. There are the basic scope rings which are separately installed to the optic and one-piece scope mounts which cradle the scope. These different kinds of mounts also generally come in quick release variations which use throw levers which permit rifle shooters to quickly install and remove the scopes.
Hex Key Rifle 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 are created for long range precision shooting. This type of scope mount is great for rifles which need a long lasting, rock solid mounting solution which will not move no matter how much the scope is moved or abuse the rifle takes.
Quick-Release Cantilever Optic Ring Mounting Solutions
These kinds of quick-release rifle scope mounts can be used to rapidly take off a scope from a rifle and reattach it to a different rifle. If they all use a comparable style mount, a number of scopes can also be switched in the field. The quick detach mount style is CNC machined from anodized 6061 T6 aluminum and the mounting levers attach firmly to a flat top style Picatinny rail. This allows the scope to be sighted in while on the rifle, taken off of the rifle, and remounted back on the rifle while maintaining the original sighting settings. These kinds of mounts come in practical for rifles which are moved a lot, to remove the glass from the rifle for protection, or for sight systems which are utilized between several rifles. An example of this mount type is the 30mm mount from Vortex Optics. It usually costs around $250 USD
Sealing and Gas Purging for Rifle Glass Tubes
Wetness 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. Most scopes prevent wetness from entering the scope tube with a system of sealing O-rings which are waterproof.
Rifle Optic Gas Purging
Another component of preventing the buildup of moisture inside of the rifle optic’s tube is filling the tube with a gas like nitrogen. Because this space is currently occupied by the gas, the glass is less impacted by climate alterations and pressure variations from the outside environment which may potentially allow 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.
