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BAADER 2 inch 35nm H -alpha
For sale is a 2 inch baader 35nm Halpha filter that
I was using on a home made 90mm solar telescope,that I
no longer use.There is a very small blemish in the middle of the
filter(see photo) that may be able to be cleaned off,I never tried.
It doesn't affect the performance of the filter in any way.
Asking $150 plus postage or cash on pick up from SE surburbs of
melbourne.
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