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Extreme narrowbank - CaK filter
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20-12-2014, 01:13 PM
Merlin66
(Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,907
Extreme narrowbank - CaK filter
http://www.ebay.com/itm/311215203166
Primarily for solar imaging I think, but would make an interesting comparison with other narrow band filters!!
Yes, it does say 2A (0.2nm) bandwidth!!!!!
Last edited by Merlin66; 20-12-2014 at
01:51 PM
. Reason: typo!
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