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Various 52 and 62mm filters
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19-09-2017, 10:07 AM
Merlin66
(Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,927
The red filters are also handy for Ha imaging - suppresses the wavelengths below 600nm...
The CPL significantly reduces reflections within your optics...
Make an offer??
Ken
Merlin66
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