1.25" Orion UltraBlock NarrowBand Filter
- 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
The UltraBlock is the 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.
List Price: $ 94.99
Price: $ 99.99
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