Astronomik H-alpha 12nm 1.25 inch filter.
As new, less than a year old and used twice.
Most suitable for CCDs, SLRs and webcams. More info, here:
http://www.bintel.com.au/Astrophotog...oductview.aspx
Retails $180 + shipping.
Sell for $140 shipped.
PMs only thanks.