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Optolong SII 6.5nm 1.25" filter
$159.00The SII 6.5nm from Optolong works fantastically as a photographic filter, but also works for viewing faint nebula. -
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.