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New Orion 5654 1.25-Inch UltraBlock NarrowBand Filter by ORION

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Product 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






Product Features and Specifications


  • Make sure this fits. by entering your model number.
  • 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.

  • Package Dimensions: 3.2 x 3.1 x 0.9 inches
  • Item Weight: 2.4 ounces
  • Shipping Weight: 2.4 ounces
  • California residents: Click here for Proposition 65 warning
  • Item model number: 5654

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Filed under: Eyepieces & Accessories