Chuck, I have both a 2" Astronomik UHC filter and a 1.25" Lumicon UHC filter. I bought the Astronomik several years ago so things may have changed, but the Lumicon filter is clearly superior. Clear Skies, Don -----Original Message----- From: utah-astronomy-bounces@mailman.xmission.com [mailto:utah-astronomy-bounces@mailman.xmission.com] On Behalf Of Jim Gibson Sent: Saturday, April 11, 2009 3:21 PM To: Utah Astronomy Subject: Re: [Utah-astronomy] Hydrogen-beta filters 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 _______________________________________________ Utah-Astronomy mailing list Utah-Astronomy@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Visit the Photo Gallery: http://www.slas.us/gallery2/main.php Visit the Wiki: http://www.utahastronomy.com