Lumicon

Used Lumicon UHC filter, 1.25-inch


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  • $49.00
  • Regular price $132.95

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This is a used 1.25-inch Lumicon UHC filter.  This filter only transmits on three wavelengths:  the two peaks of the O-III range, at 496nm and 501nm, with transmission of 93% and 93% at each wavelength, respectively, and Hydrogen-Beta, at 92%, as certified on the case.  The filter comes in its original case and is in very good shape, showing only some very minor surface imperfections due to its age and use.  

Lumicon 1.25" Deep Sky Filter

The ULTIMATE nebula filter. The Lumicon 1.25-inch Ultra High Contrast Filter is unbeatable for revealing nebulosity. This is achieved by passing three nebula emission lines-the two doubly ionized oxygen lines (496 and 501 nm) and the H-beta line (486 nm)-while blocking light-pollution and Sky Glow. The result is superb views of the Orion, Lagoon, Swan and other extended nebulae. Recommended for telescopes 8-inches and larger in aperture. To ensure that your Lumicon filter remains the World's Best, the strictest quality control standards are employed throughout the production process. Each Lumicon Ultra High Contrast Filter is individually inspected and proudly inscribed with the percentage of light transmittance of the OIII and H-beta emission lines.

Ultra High Contrast Filter

  • Narrow band pass filter (24 nm) isolates the two doubly ionized oxygen lines (496 and 501 nm) and the hydrogen-beta line (486 nm) emitted by planetary and most emission nebulae
  • Provides superb views of the Orion, Lagoon, Swan and other extended nebulae
  • The best all-around dark-sky nebular filter available
      SKU: U2203-LM-LUM-UHC
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