One of the great features of digital photography, aside from the instant gratification of knowing you’ve got the shot, is that the cameras record your settings, the metadata, assisting you in evaluating what worked and what did not.  Most film cameras had no way of recording the settings used, requiring that the photographer keep meticulous notes, which could be consulted once the film was returned from the lab.  As film photography developed over the years, manufacturers were able to design film cameras which recorded the shooting information.  However, extracting the information from the camera required special software and a cable proprietary to the manufacturer.  In researching the purchase of my Canon…