I was throwing together a lens table for the Andy/Clark refractor. Patrick, could you confirm it's characteristics? From our prior discussions, I am showing: Apeture: 8" - 200m fl: 3360 mm max focuser dia. - 50.8 mm Thanks - Canopus56 __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com