Rainmaker
18-01-2020, 01:23 PM
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
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