<p>Info on Camera Profiles-<br>
http://www.computer-darkroom.com/lr2_camera/lr2-camera-defaults.htm<br>
Color Checker Passport has software that uses a DNG image of the Color Checker to create a camera profile. Photograph the Color Checker with each camera, run the software for each camera image.<br>
http://xritephoto.com/colorchecker-passport-photo<br>
Add these profiles to Lightroom, and set Profiles "Specific to Camera" in the preference dialog.</p>