I have a set of narrowband Baader 36mm unmounted CCD filters for sale.
Ha - 7nm
Oiii - 8.5nm
Sii - 8nm
I have had these filters for 2 years and have just upgraded - so they have to go. They are in good condition with no scratches although the oiii filter has a small blemish on the edge (refer attached image). This doesn't appear affect the image quality (refer attached image which was taken last month and got a top pick nomination on astrobin). However, i do notice halos around very bright stars on the oiii filter which others have discussed in forums on the internet - just letting you know in the interests of full disclosure.
I'm offering these filters for $450 including postage anywhere in Australia.
CS
