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SVBONY 2inch Filters OIII-CCD 7nm Narrow-Band for Binoculars Telescopes Filters For Sale


SVBONY 2inch Filters OIII-CCD 7nm Narrow-Band for Binoculars Telescopes Filters



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SVBONY 2inch Filters OIII-CCD 7nm Narrow-Band for Binoculars Telescopes Filters:
$139

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Sign Up Now ! You may also like SVBONY 2 inch OIII-CCD 7nm Narrow-Band Filter for Deep Sky 2" Mounted Product Description The SVBONY 2" Filters are made glass import from Germany that has been multi-coated with an ion-assisted deposition technology to ensure scratch resistance and stability on the central wavelength, or CWL. The filter cell is made of lightweight, strong metal and is CNC machined, sand-blasted; black anodized, and then laser engraved. The result is a super thin filter cell that will produce a clear aperture of 45mm.
The Oxygen III 7nm Extra Narrowband Filter transmits a 7nm bandwidth of light that is centered at 500nm and drastically reduces other transmissions, including wavelengths of light that are responsible for light pollution (both artificial and natural). Like all Svbony filters that are designated as "CCD", this OIII also blocks infrared wavelengths from 700nm to 1100nm so you don't need a separate IR-Cut filter.

Quality Filter Materials:

  • Material from Germany, 2.0mm thick
  • CNC machined and black anodized aero-metal filter cell that is ultra-thin to provide largest clear aperture; Laser-engraved to prevent fading
  • Multiple layers of anti-reflection non-cementing coatings applied via electron-beam gun evaporation with Ion-assisted deposition

    Filter Manufacturing Processes and Parameters:

  • Filter substrate is fine-optically polished to 1/4 wave and <30 parallelism over both surfaces
  • Surface quality, according to MIL-O-13830, is 60/40
  • 80% transmission at OIII line 500nm
  • Infrared wavelength 700-1100nm cut-off
  • 0.1% transmission Hg at 435nm and 578nm
  • 0.1% transmission Na at 589nm
  • Thin metal cells have a clear aperture of 45mm for 2 inch filters
  • Each filter comes with a plastic case with high pressure EVA case lining Package Includes:
  • SVBNOY 2" OIII 7nm Filter
  • PP Material Plastic Box
Payment Brand Shipping response Contact us Payment Brand Svbony focus on telescope and optical accessories. Aim to supply the high quality products and best service to customers. Main items are including Telescope, Monocular, Binocular, Spotting scope, filter, eyepiece and other accessories. We hope that you could enjoy a much more clorful life by using our products.
Shipping Svbony has set up US/AU/UK/ES/DE/IT/FR oversea warehouses, trying to offer customers speedy best local service. We are a passionate and extraodinary team, committed to offering good products and keeping customers satisfied with their purchase. response Our goal is to make sure you are a happy customer and pleasant shopping with us.
If you are satisfied with the purchase and our total service, your comment is very important in our business success. Please take a minute to leave us a positive response with an overall Detailed Selling Rating (DSR) of 5
If you are not satisfied with your purchase in any way, Please give us the opportunity to resolve any problem. We understand the concerns and frustrations you might have, and will try our best to resolve the issues. Contact us Do not hesitate to contact us anytime before and after your purchase through the clicking "Contact seller' and we are committed to your 100% customer satisfaction or you can contact us
Our working time: 8:00am-18:00pm (Beijing Time). Because of time-difference, we cannot give you a quick reply sometimes. Please wait for some more time.
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