Thanks, Douglas! The varying ISO is indeed the culprit! FWIW, the Lexar 1 GB HS cards yield, ISO 100 110 ISO 200 109 ISO 400 106 ISO 800 103 ISO 1600 98 ISO 3200 91 Different, but not significantly so, from the Kinston card. I shall wonder, no longer! Thanks again! David. -------- On 23/06/2005 at 12:52 AM Douglas Sharp wrote: >David, >here are the figures for a fresh Kingston 1GB card >ISO 100 112 >ISO 200 111 >ISO 400 108 >ISO 800 104 >ISO 1600 100 >ISO 3200 92 (custom setting H) >BTW, software updated to 2.0.0 also puts an extra file on to the card. > >Hope this helps, it does actually vary from card to card >512 mb mostly pack 55 RAW files at ISO 100 David Young, Logan Lake, BC CANADA. Personal Web-site at: http://www.horizon.bc.ca/~dnr Leica Reflex Forum web-page: http://www3.telus.net/~telyt/lrflex.htm ------ Unsubscribe or change to/from Digest Mode at: http://www3.telus.net/~telyt/lrflex.htm Archives are at: www.freelists.org/archives/leicareflex/