-----Original Message----- From: "Breukel, C. (HKG)" <C.Breukel@xxxxxxx> Sent: Feb 22, 2005 2:12 AM To: pure-silver@xxxxxxxxxxxxx Subject: [pure-silver] Re: matting square prints Hi Ralph et al, Perhaps below link is helpfull in determining the optical centre, http://carbonphoto.cicada.com/pdf/opticalcentre.pdf Best, Cor Aha... The return of Dyanamic Symmetry:-) -- Richard Knoppow dickburk@xxxxxxxxxxxxx Los Angeles, CA, USA ============================================================================================================= To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.