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Lumicon Deep Sky Filter 1.25"
Lumicon Deep Sky Filter (Lum1690) 1.25"
Optical surfaces unmarked
small mark on the filter rim
Tested to transmit:
Hb 96.7%
Oiii 96.5%
Ha 96.5%
$50 posted in Oz
Last edited by Rainmaker; 24-01-2020 at 08:58 PM.
Reason: Price .....
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