In reference to the discussion of VC papers in this list, there is an application note on the subject on the Darkroom Automation web site: http://www.darkroomautomation.com/support/appnotevcworkings.pdf Even if the subject of VC paper isn't of interest, you may want to read the paper for its description of the concept of local gamma. Nicholas O. Lindan Darkroom Automation http://www.darkroomautomation.com/da-main.htm A Unit of Cleveland Engineering Design, LLC Cleveland, Ohio 44121 ============================================================================================================= 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.