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  • Orion UltraBlock 2" light pollution filter

    • Tootja: Orion
    • Mudel: 14442
    • Saadavus: 1 - 3 nädalat
    Garantija 2 gadi

    179.00€

    Dramatically Improves Views of Emission and Planetary Nebulas. 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. Available in 1.25" and 2".

    Saa osa värskeimatest uudistest ja pakkumistest!