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Filters For Telescopes

Filters make it possible to look at the Sun without going blind; to bring out detail in the Moon and planets that would otherwise be hidden in their glare; to eliminate the effects of city lights if you have to observe from a light polluted location.

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Astro-Tech Ultra High Contrast (UHC) narrowband for 1.25" eyepieces

$49.95

This Astro-Tech UHC 1.25" narrowband filter is designed for visually observing emission nebulas from heavily light-polluted areas. The filter has excellent transmission at the visually important emission lines of hydrogen-beta at 4861Å and doubly ionized oxygen at 4959Å and 5007Å.

Filters For Telescopes

Astro-Tech Ultra High Contrast (UHC) narrowband for 1.25" eyepieces