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Brand New Orion 5654 1.25-Inch UltraBlock NarrowBand Filter

Manufacturer model: 5654

  • In areas plagued with significant light pollution, our UltraBlock eyepiece filter greatly increases contrast of emission and planetary nebulas
  • Allows you to see features and details through a telescope that would normally be lost due to light pollution
  • Blocks all forms of light pollution while passing critical hydrogen-beta and ionized oxygen wavelengths of light
  • Enhances the sky presence of a significant number of fainter deep-sky objects
  • Use with any filter-thread equipped 1.25" Orion eyepiece. Metal filter cell construction.

Description

Product description

The UltraBlock is a great filter for deep-sky observers located at highly light-polluted sites. Blocks all forms of light pollution - mercury vapor and sodium emission bands - while passing the critical hydrogen-beta and ionized oxygen wavelengths. With an UltraBlock, emission and planetary nebulas surface from the washed-out background sky. In dark skies, the UltraBlock also enhances the sky presence of a significant number of fainter deep-sky objects over unfiltered and wideband-filtered views.

From the Manufacturer

In areas plagued with significant light pollution, our UltraBlock eyepiece filter greatly increases contrast of emission and planetary nebulas. Allows you to see features and details through a telescope that would normally be lost due to light pollution. Blocks all forms of light pollution while passing critical hydrogen-beta and ionized oxygen wavelengths of light. Enhances the sky presence of a significant number of fainter deep-sky objects. Use with any 1.25" Orion eyepiece threaded for filters

  • Shipping and Handling

    We will ship for free to anywhere within the 48 contiguous United States.

    Please allow 5-7 business days for the package to arrive, regardless of buyer location within the US.

    We will provide an online tracking number to you once the item has been shipped.

    It may take a few business days for our automated system to process the tracking number onto eBay. However, this will not affect the shipping times.

  • Return Policy

    All our products are brand new and sealed. All items qualify for returns within 30 days of receipt.

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Filed under: Eyepieces & Accessories