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Optolong Oxygen OIII 6.5nm 2" filter
$229.00Take your imaging up a notch with the improved OIII filter from Optolong. -
48mm Oxygen III line band filter for 2" eyepieces
$139.95This 2" Celestron Oxygen III light pollution filter has a very narrow passband that blocks out almost all unwanted light pollution, making it a good choice for nebula observing from city and suburban locations . . . -
Optolong SHO 2" Filter Set with H-Alpha, SII, and OIII Filters
$720.00Add this set to your LRBG set and get the most out of your imaging. -
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Optolong LRGB + SHO 1.25" Imaging Mounted 7 Filter Set
$665.00This is the complete set of imaging filters to take your session to a higher level.Out of stock
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Optolong Oxygen OIII 6.5nm 1.25" filter
$159.00Take your imaging up a notch with the improved OIII filter from Optolong. -
Optolong SHO-3nm 2" Filter Set with H-Alpha, SII, and OIII Filters
$1,199.00Add this 3nm set to your LRBG set and get the most out of your imaging. -
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 . . . -
Optolong LRGB + SHO 2" Imaging Mounted 7 Filter Set
$1,009.00This is the complete set of imaging filters to take your session to a higher level.