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Orion 1.25" Telescope Eyepiece Moon Filter 13% Transmission
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Features:
- Reduces glare so you can see more lunar detail and surface features
- Filter allows transmission of only 13% of the reflected light.
- Especially useful to owners of large-aperture scopes
- Screws into threaded eyepiece barrel.
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Orion SkyGlow Filter 1.25"
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Features:
- Enhances deep-sky observing in moderately light-polluted skies
- Blocks the most common wavelengths of light pollution for increased contrast and better views
- Improves the views of nebulas, galaxies and clusters
- 1.25" diameter
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Orion Oxygen III Nebula Filter
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Features:
- Transmits close to 90% of the light corresponding to 2 oxygen-III spectral lines at 496nm and 501nm
- Completely blocks virtually all other visible wavelengths
- Highest quality optical glass in a double-threaded, anodized aluminum cell
- Recommended for telescopes of 8" aperture or greater and for visual use only
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