- Narrowband UHC filters isolate the two doubly ionized oxygen lines (496 and 501nm) in addition to the hydrogen-beta line (486nm) emitted by planetary and most emission nebulae.
- This filter permits superb views of objects like the Orion, Lagoon, Swan and other extended nebulae.
- It performs well in smaller aperture instruments owing to its greater light transmission than the O-III, yet still suppresses light pollution well.
- The UHC filter is the best all-around dark-sky nebula filter.
- Supplied with storage case.
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OVL Narrowband UHC Filter 2 Inch
Original price was: $66.00.$46.20Current price is: $46.20.
Narrowband UHC filters isolate the two doubly ionized oxygen lines (496 and 501nm) in addition to the hydrogen-beta line (486nm) emitted by planetary and most emission nebulae. This filter permits superb views of objects like the Orion, Lagoon, Swan and other extended nebulae. It performs well in smaller aperture instruments owing to its greater light transmission than the O-III, yet still suppresses light pollution well. The UHC filter is the best all-around dark-sky nebula filter. Supplied with storage case.
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