Canon 5D MkII photometry
Embarrassing as it is, I am just now gearing up for some photometry. Has anyone determined the transforms on a Canon 5D Mark II? I am assuming it will be different than my 450D. I will be working with a Canon 100mm Macro and have a Kenko Sky Memo which allows tracking of 5 minutes without guiding. So--I am thinking I need to characterize this camera using Landolt fields. If skies during the Okie-Tex star party cooperate I should be able to get several nights worth of data. Any suggestions would be appreciated.