Orion Neutral-Density Moon Filter (2") 13% transmission.
Near new condition with original jewel case.
Asking $20 plus post.
http://www.bintel.com.au/Accessories...oductview.aspx
Omega 2" visual NPB 140992 nebula filter.
Near new condition with original jewel case.
Asking $120 plus post.
Not the current model but the transmission graph that came with it (see photo below) is very similar to their latest:
http://www.omegafilters.com/catalogs...ult/?q=XAF-NPB
Also very similar to the DGM NPB:
http://www.ebay.com.au/itm/NPB-2-0-D...EAAOxy-WxTA16O
Thanks for looking.
PM me,
gb.