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Celestron 18% Transmission green 1.25" Moon filter
$9.95This medium green 1.25" filter reduces irradiation, glare, and excess image brightness in lunar observing . . . -
1.25" UHC Narrowband filter
$89.95This Celestron ultra high contrast (UHC) light pollution filter has improved contrast when compared with the wider passband of a broadband filter, making it easier to pick out faint nebulas . . . -
1.25" Oxygen III Line band filter
$99.95This Celestron Oxygen III light pollution filter has a very narrow passband for very high contrast on emission nebulas, making it a good choice for city and suburban observing . . .