11 Apr
2009
11 Apr
'09
3:21 p.m.
Chuck, I have been reading a lot of good things about filters from this company mostly for AstroPhotography, but I bet the Hb filter will be a good quality filter for visual work as well. Have a look see. http://www.astronomik.com/en/astronomik_uhc_filter.html If you find anything strange, I would like to know. Jim