[sheeny (Al)]

Originally Posted by Bassnut

Are you sure they dont block IR?. http://www.customscientific.com/astronomy.html

No. I'm not now!

Interesting, from what I read in the SBIG manual they don't block IR enough, but They don't specifically say the CS filters, they just refer to the CS filters as one brand supplied by SBIG.

I think I'll do some testing before I spend more on an IR filter that maybe I don't need.

Al.