Thickness is a problem only if you think that it is. That is about the typical 6:1 ratio tht old style blanks were. I'd also consider that the $300 cost is a bit high for what you end up getting. Bob May bobmay@nethere.com http://nav.to/bobmay http://bobmay.astronomy.net _______________________________________________ ATM mailing list http://www.atmlist.net/