BVO 38 – 38% transmission replacement polarizer for legacy systems. Many older optical drawings call for the original HN 38 from Polaroid. BVO 38 is the perfect replacement polarizer designed for the 400-700nm band.

Well well, it may seem like an easy question but as you probably know (since you are here!) it is not! Why? Scopes are expensive and delicate and the last thing you want to do is scratch your lens or nick the body to cause permanent damage. You rely on the scope to see well and you definitely don’t want to mess around with that.

Linear polarizerFilter

BVO IR – An absorptive NIR broadband dichroic linear polarizer covering 700-1700nm. Excels in NIR imaging, LED light sources, solid state detectors and all IR camera applications.

BVO NIR diode – Most inexpensive NIR polarizer on the market. Covers both visible and NIR bandwidth, 450-1000nm. Has scatter but works great for LED light banks or sensors and available in large sizes.

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Next, let’s discuss tips for your rifle scope which are not an absolute must but if used, will lengthen the life of your scope by a longshot (see what I did there? ;) ). The following tips are highly recommended.

Thorlabspolarizer

BVO 777 – A Visible / NIR hybrid polarizer providing great value for those needing high contrast up to 780nm. Is imaging capable and very affordable.

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Polarizer

Hex keys and Allen wrenches are essentially the same tools using different names. The "key" end of Allen keys or wrenches is a hexagon or six-sided ...

You know as well as I do that your rifle scopes get dirty! Whether you’re out there hunting, target shooting, or even training for the military, your scope will go through the ringer. Dust, particles, mud, and more will cling to your scope like you hold onto your flashlight in the dark of night.How to keep your rifle scope clean and healthy, you ask?

Step 1:Start by blowing off loose debris and dirt with compressed air.Make sure to get in those tight spots - mud and debris love to hide in there!

BVO UV DS – UV / Visible linear polarizer working from 365-450nm. BVO UV DS provides a dyestuff robust polarizer offering solutions for liquid crystal panels used in 3D printers. Can withstand higher damage threshold light than iodine polarizers.

Let's dive into the fascinating world of firearm optics and explore the distinctions between two popular sighting systems: red dot sights and holo...

BVO Wire Grid (WG) – New wire grid film maximizing bandwidth, high durability and a low cost alternative to glass WG polarizers. A hybrid reflective polarizer which covers the visible and NIR bandwidth, 400-1600nm. Works at both 0˚ angle of incidences and 45˚ as a beamsplitter. Key strengths are larger size, 80 micron thickness, high contrast and imaging capable.

Linear Polarizerthorlabs

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And that just about wraps up the basic and very important tips to clean and maintain your rifle scope. You’ll thank us later!Think there is something we missed? Let us know in the comments below! We value your input and our Optics Force community.

The odds are that you have viewed images or videos taken using night vision and thermal vision at some point in your life. In fact, you may even r...

Step 5: Lastly, lightly wipe the scope down with the second dry microfiber cloth.Make sure the scope is dry before storing.

BVO BBCP – Achromatic Broadband Circular Polarizer (BBCP), made of BVO UHC and AQWP3 visible achromatic waveplate. Superior performance over visible bandwidth.

BVO VIS DS – (Formerly called BVO 125) A tough dye stuff polarizer for the rugged market. BVO VIS DS linear polarizer is more resistant to optical power damage, high temperatures or blue LED’s large energy flux. Covers 410-675nm band.

Circular vslinear polarizerfor mirrorless camera

BVO NIR – The new infrared polarizer is a NIR broadband dichroic linear polarizer covering 550nm – 950nm. New large sheet format allows for illumination panels to be polarized. Dyestuff options are also available which resist LED burning.

BVO Wire Grid (WG) – New wire grid film maximizing bandwidth, high durability and a low cost alternative to glass WG polarizers. A hybrid reflective polarizer covers the visible and NIR bandwidth, 400-1600nm. Works at both 0˚ angle of incidences and 45˚ as a beamsplitter. Key strengths are larger size, 80 micron thickness, high contrast and imaging capable.

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Clear? Let’s move on to some practices you should always be using when cleaning and storing your scope. These pointers will guarantee a damage-free experience for your trusty rifle scope.

BVO Colored Polarizers – RGB dye stuff polarizers for color channel specific applications. Includes higher durability pressure sensitive adhesive to withstand projection environments. Also useful for tunable filter designs. Call for custom order.

black and white viewing filter; Ansel Adams, wratten #90,

BVO UV – UV / Visible linear polarizer working from 320-760nm. BVO ultraviolet (UV) provides a cost competitive UV solution to OEM manufacturers compared to expensive glass polarizers. Can withstand lower damage threshold input light sources.

BVO 244 – 45% ultra transmission polarizer for applications tolerant of lower contrast. Great for multiple stage applications requiring a minimum amount of loss. Covers 400-700nm.

Linearpolarization

Circular vslinear polarizer

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Now that we got those out of the way, here is your step by step guide on how to properly, and gently, clean your rifle scope.

Diffraction gratings can be divided into two basic categories: holographic and ruled. A ruled grating is produced by physically forming grooves on a reflective ...

Trail cameras have revolutionized the way we monitor wildlife and remote areas. These cameras are now commonly used by hunters, researchers, and wi...

These mounted precision pinholes are available with pinhole diameters from 1 µm to 2000 µm. They are fabricated from stainless steel foils that are blackened on ...

CP-VIS1 – New linear to circular polarization converter. Intended for high volume AR/VR markets requiring large aperture (goggles) coupled with competitive pricing.

So if you’re using a rifle scope for the purpose of magnification, aiming precision, range estimation or simply enhanced safety, and you’re looking for top tier cleaning and maintenance instructions, you are in the right place!

BVO 1000 – An ultra broadband hybrid linear polarizer covers the entire visible and NIR bandwidth. System designers can use one polarizer to cover a 400-1600nm bandwidth for Visible / NIR applications eliminating multiple polarizers.

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BVO UHC – 42% transmission while delivering high contrast. BVO UHC is a classic high transmission linear polarizer covering all applications for visible light, 400-700nm. Improved performance in the blue region.

The Basics: A large depth of field (DOF) means a greater range of the scene is in focus, as opposed to a shallow depth of field when only part of the scene is ...

The distance from the center of the lens to the image focal point (=image sensor surface) is known as the focal length. It is expressed in millimeter (mm) ...

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Aug 14, 2015 — Hex keys, commonly called Allen Wrenches after William G. Allen, who patented the die forming process in 1910, are, simply, hexagonal bars ...